{extend name="beike/base" /}
{block name="staticcontent"}
    <meta http-equiv="mobile-agent"
          content="format=xhtml; url=http://bk.cooco.net.cn/mdown-kejian-321727.html">
    <meta http-equiv="mobile-agent"
          content="format=html5; url=http://bk.cooco.net.cn/mdown-kejian-321727.html">

    <style>
        .layui-btn.downBtn {
            display: block;
            width: 100px;
            height: 32px;
            line-height: 32px;
            background-color: #F2594C;
            border-radius: 3px;
            font-size: 14px;
            color: #ffffff;
            text-align: center;
        }
        .tc_wrape {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            background: rgb(0,0,0,0.25);
        }
        .tc {
            width: 350px;
            height: 200px;
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            margin: auto;
            border: 2.5px solid #F2594C;
            border-radius: 3px;
            box-shadow: 2px 2px 2px 2px rgb(242 89 76 / 15%);
            background: #fff;
        }
        .tc p {
            float: right;
            display: block;
            font-size: 14px;
            cursor: pointer;
            text-align: right;
            background: rgb(0,0,0,0.25);
            color: #fff;
            padding: 1px 3px;
        }
        .tc_tit {
            width: 100%;
            height: auto;
            font-size: 14px;
            text-align: center;
            color: #000;
            clear: both;
        }
        .span_inp {
            width: 250px;
            height: 50px;
            border: 1px solid #000;
            margin: 10px auto;
        }
        .span_inp span {
            float: left;
            display: inline-block;
            width: 50%;
            height: 100%;
            background: #F2594C;
            color: #fff;
            text-align: center;
            line-height: 50px;
        }
        .span_inp input {
            float: left;
            display: inline-block;
            border: 0;
            width: 50%;
            height: 99%;
            outline: none;
            text-align: center;
        }
        .tc button {
            display: block;
            width: 150px;
            height: 50px;
            border: 0;
            color: #fff;
            margin: 0 auto;
            background: #4cadf2;
            cursor: pointer;
        }
        .tc_wrape {
            display: none;
        }
        .captcha_code {
            font-size: 25px;
        }
    </style>
{/block}

{block name="tipcontent"}{/block}

{block name="content"}
    <div id="position">您现在的位置：&nbsp;
        <a href="http://bk.cooco.net.cn" class="LinkPath">第一备课网</a>&nbsp;&gt;&gt;&nbsp;
        <a href="http://bk.cooco.net.cn/kejian/" class="LinkPath">课件下载</a>&nbsp;&gt;&gt;&nbsp;
        <a href="http://bk.cooco.net.cn/list-kejian-kexue/" class="LinkPath">
            科学课件下载</a>&nbsp;&gt;&gt;&nbsp;
        <a href="http://bk.cooco.net.cn/tag-qinianjikexuekejian/" class="LinkPath">七年级科学课件下载</a>&nbsp;&gt;&gt;&nbsp;
        科学什么是科学探究2下载
    </div>

    <div id="mbList">
        <div class="titleShare">
            <span class="share"></span>
            <strong>科学什么是科学探究2下载页</strong>
        </div>
        <div class="guge"></div>
        <h1 style="background:none;">科学什么是科学探究2下载页</h1>
        <div class="Attribute">分类：
            <span><a href="http://bk.cooco.net.cn/tag-qinianjikexuekejian/" class="LinkPath">七年级科学课件</a></span>
        </div>

        <div class="clear"></div>
    </div>

    <div class="main">
        <div class="fontsLeft" style="width:100%">
            <div class="mbPic" style="border: gray 1px solid; position:relative;">
                <h1>科学什么是科学探究2文件:</h1>
            </div>
            <div>
                <table class="layui-table" lay-skin="line">
                    <colgroup>
                        <col width="500">
                        <col width="50">
                        <col>
                    </colgroup>
                    <tbody>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">我是什么－课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="68506">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">什么是周长</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="164013">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">我是什么－课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="40966">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">我是什么－教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="68507">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">我是什么－教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="40967">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(部编版)2018年二年级上册语文：第2课《我是什么》精品教学宝</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="68491">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(部编版)2018年二年级上册语文：第2课《我是什么》精品教学宝</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="40951">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2016沪科版物理九年级第15章第2节《科学探究：欧姆定律》(第1课时)ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="307633">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2016沪科版物理九年级16.4《科学探究：电流的热效应》ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="296652">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2016沪科版物理九年级第15章第2节《科学探究：欧姆定律》(第1课时)ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="286084">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">1、东欧社会主义国家改革的背景是什么？</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="339482">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2016沪科版物理九年级第15章第2节《科学探究：欧姆定律》(第1课时)ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="273801">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2016沪科版物理九年级第15章第2节《科学探究：欧姆定律》(第1课时)ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="307470">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2016沪科版物理九年级第15章第2节《科学探究：欧姆定律》(第1课时)ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="296134">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">13.2科学探究：物质的比热容课件(共24张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="295357">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">1.2测量：科学探究的重要环节课件(共32张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="228989">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">1.2测量：科学探究的重要环节课件(共32张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="155153">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">1.2测量：科学探究的重要环节课件(共32张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="242828">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">1.2测量：科学探究的重要环节课件(共32张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="163129">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">人教版四年级语文上册《幸福是什么》PPT课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="49784">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第4节 科学探究 串联和并联电路的电流－教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="273278">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(人教新课标)四年级语文上册《幸福是什么》_教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="49783">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">1、东欧社会主义国家改革的背景是什么？</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="356141">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">14.4科学探究串联和并联电路的电流(第一课时)课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="286181">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《我为什么而活着》pptx课件(16页)2</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127040">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第13章第二节科学探究：物质的比热容课件(共26张ppt)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="295354">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">宇宙里有些什么</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="109760">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第十六章第四节科学探究：电流的热效应课件(共12张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="296654">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">画里少了什么</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="70721">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">画里少了什么学习目标</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="70720">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第十三章第二节科学探究：物质的比热容课件(共15张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="295352">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">我为什么而活着－教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127057">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">小学语文《他发明了什么》课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="76483">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第十四章第四节科学探究：串联和并联电路课件(共17张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="306906">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻课件2(高一语文)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1282">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第十四章第四节科学探究：串联和并联电路课件(共17张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="273175">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">宇宙里有些什么－教学课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="109759">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《奥斯维辛没有什么新闻》ppt课件2</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1286">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">中央红军为什么长征</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="354197">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">宇宙里有些什么－课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="109758">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">我为什么而活着作者</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127060">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">宇宙里有些什么（语文）</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="109757">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">我为什么而活着－课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127058">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1301">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《我为什么而活着》ppt课件(26页)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127042">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">罗素-我为什么而活着－ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127059">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">22、科学发展观的核心的是以人为本</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="393292">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《他发明了什么》ppt课件1</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="76482">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《我为什么而活着》ppt课件(11页)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127041">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《奥斯维辛没有什么新闻》ppt课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1300">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">语文上册第六单元《他发明了什么》</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="76484">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">新科技革命与当代社会之二 二十世纪是科学技术革命的世纪</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="359472">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">《宇宙里有些什么》ppt课件(43页)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="109744">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">八年级上-我为什么而活着[原创]-课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127043">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻课件7(高一语文)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1280">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">12.1探究&mdash;电流与电压、电阻的关系课件2</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="307574">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第26课现代科学革命2</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="359471">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">(语文版)八年级上语文：第14课《花儿为什么这样红》ppt课件(2)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="115054">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究凸透镜成像规律</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="272098">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">必修一-奥斯维辛没有什么新闻-课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1275">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">七年级上-宇宙里有些什么[原创]-课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="109745">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">身边的生物科学课件2(高二)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="377462">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻课件6(高一语文)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1279">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻课件8(高一语文)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1281">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第16课近代科学技术革命2</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="359027">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究凸透镜成像规律</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="272102">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究世界气温的分布规律</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="325569">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究凸透镜成像的规律</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="272097">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">4.3探究凸透镜成像规律</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="272096">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">综合探究：--投资理财的选择</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="384193">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻课件3_高一语文课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1283">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">3.6探究凸透镜成像规律</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="272103">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻课件4_高一语文课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1284">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻课件5_高一语文课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1285">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">科学记数法</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="234579">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">奥斯维辛没有什么新闻课件1(高一语文)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1278">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究串并联电路中电流的规律</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="273281">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">14.2探究欧姆定律课件(共29张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="273841">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">14.2探究欧姆定律课件(共29张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="296174">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">14.2探究欧姆定律课件(共29张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="286124">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">第三章   近代科学技术--近代科学革命</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="359029">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">14.2探究欧姆定律课件(共29张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="307673">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">科学记数法</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="171200">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究熔化和凝固的特点（复习课）</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="272565">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究活动课--投资理财的选择</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="384192">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">欢迎各位老师莅临指导--奥斯维辛没有什么新闻</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="1302">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">散文二篇《永久的生命》《我为什么而活着》ppt课件3</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="127044">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究串联电路中电流的规律－课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="273279">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">掌握科学学习方法</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="391724">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究熔化和凝固的特点（复习课）</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="291847">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">14.2探究欧姆定律课件(共29张PPT)</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="307510">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">探究熔化和凝固的特点（复习课）</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="301480">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">课题：《探究--平面镜成像特点》课件</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="292917">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2016年中考数学专题八_几何图形的类比探究</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="217599">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">4.2探究汽化和液化的特点课件ppt</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="272652">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">&ldquo;从小就要爱科学&rdquo;？</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="113675">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">从小就要爱科学</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="113677">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2.12科学记数法</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="171219">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">2.12科学记数法</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="234598">立即下载</button>
                            </td>
                        </tr>
                                            <tr>
                            <td><a class='down_stat doc_title' href="javascript:void(0);">1.5.2科学记数法</a></td>
                            <td>
                                <button type="button" class="layui-btn downBtn" data-key="234599">立即下载</button>
                            </td>
                        </tr>
                                        </tbody>
                </table>
            </div>
            <div>
                <ul>
                                            <li>
                            <p>
                                <strong>七年级科学什么是科学探究2.ppt</strong>
                                <span><a target="_blank" title="点击进入下载科学什么是科学探究2" href="http://bk.cooco.net.cn/d-kejian-321727.html">进入下载</a></span>
                            </p>
                        </li>
                                    </ul>
            </div>


        </div>
    </div>

    <script>
        $(function () {
            $(".down_stat").click(function () {
                $.ajax({
                    url: "http://pro.cooco.net.cn/bk_down_stat/",
                    type: 'get',
                    data: {},
                    crossDomain: true,
                    xhrFields: {
                        withCredentials: true
                    },
                    success: function (res) {
                        if (res.code === 0) {
                            console.log('bk_stat');
                        }
                    }
                });
            });

            // 点击关闭
            $('body').on('click', '.tc_wrape .tc p', function () {
                $(this).parent().parent().hide();
            });

            // 获取当前唯一标识
            var iden = cans();
            var randNum = Math.random();

            $('.downBtn,.doc_title').click(function () {
                // 当前数据key
                var doc = $(this).attr('data-key');
                $('.verify_btn').attr('data-key', doc);

                $('.captcha_img').attr('src', 'http://bk.cooco.net.cn/captchaimg/?iden=' + iden + '&doc=' + doc + '&rand_num=' + randNum);
                $('.tc_wrape').show();
            });

            $('.captcha_img').click(function () {
                var doc = $('.verify_btn').attr('data-key');
                $('.captcha_img').attr('src', 'http://bk.cooco.net.cn/captchaimg/?iden=' + iden + '&doc=' + doc + '&rand_num=' + randNum);
            });

            $('.verify_btn').click(function () {
                var captcha_code = $('.captcha_code').val();
                var doc = $(this).attr('data-key');
                var iden = cans();

                if (captcha_code == '' || captcha_code.length != 4) {
                    alert('验证码错误，请重新输入');
                    return false;
                }

                if (doc == '') {
                    alert('操作错误，请刷新页面重试');
                    return false;
                }

                if (iden == '') {
                    alert('抱歉，系统错误，请联系客服！');
                    return false;
                }

                $.get('http://bk.cooco.net.cn/verify/?' + Math.random(), {'iden': iden, 'doc': doc, 'captcha_code': captcha_code}, function (data) {
                    if (data.code == 0) {
                        $('.captcha_code').val('');
                        $('.tc_wrape .tc p').click();
                        window.open(data.data);
                    } else {
                        alert('验证码错误');
                        $('.captcha_img').click();
                        $('.captcha_code').val('');
                        return false;
                    }
                }, 'json');
            });

            function cans() {
                var canvas = document.createElement('canvas');
                var ctx = canvas.getContext('2d');
                var txt = 'http://security.tencent.com/';
                ctx.textBaseline = "top";
                ctx.font = "14px 'Arial'";
                ctx.textBaseline = "tencent";
                ctx.fillStyle = "#f60";
                ctx.fillRect(125, 1, 62, 20);
                ctx.fillStyle = "#069";
                ctx.fillText(txt, 2, 15);
                ctx.fillStyle = "rgba(102, 204, 0, 0.7)";
                ctx.fillText(txt, 4, 17);

                var b64 = canvas.toDataURL().replace("data:image/png;base64,", "");
                var bin = atob(b64);
                var crc = bin2hex(bin.slice(-16, -12));
                return crc;
            }

            function bin2hex(str) {
                var result = "";
                for (var i = 0; i < str.length; i++) {
                    result += int16_to_hex(str.charCodeAt(i));
                }
                return result;
            }

            function int16_to_hex(i) {
                var result = i.toString(16);
                var j = 0;
                while (j + result.length < 4) {
                    result = "0" + result;
                    j++;
                }
                return result;
            }
        });
    </script>
{/block}