教案我們周?chē)目諝?/title> <meta name="keywords" content="教案我們周?chē)目諝?> <meta name="description" content="教學(xué)目標(biāo)： 1：認(rèn)識(shí)空氣的主要組成。 2：了解空氣的主要成分及體積分?jǐn)?shù)�？諝馐且环N寶貴的自然資源，要防止空氣污染。 3：認(rèn)識(shí)什么是混合物、純凈物。 4：了解什么是物理性質(zhì)。重點(diǎn)：空氣的成份、物理性質(zhì) 難點(diǎn)：空氣組成的實(shí)驗(yàn)原理，混合物、純凈物的區(qū)別"> <link rel="canonical" href="http://www.b899365.com/"/> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script type="text/javascript"> if((navigator.userAgent.match(/(phone|pad|pod|mobile|ios|android|BlackBerry|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|symbian|transcoder)/i))){window.location = window.location.href.replace(/www./, 'm.');} var D=new Date(),RAND_STR=D.getUTCFullYear()+"_"+D.getUTCMonth()+"_"+D.getUTCDate()+"_"+(Math.floor(D.getUTCHours()/3)); document.write('<script type="text/javascript" src="http://www.b899365.com/static/js/p.js?'+RAND_STR+'"><\/script>'); </script> <link href="http://www.b899365.com/static/css/article.6.css" type="text/css" rel="stylesheet"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://www.b899365.com/">国产极品在线视频,自拍偷拍欧美视频,国产无限免费av在线播放,日韩黄色一级,97在线免费观看视频,国产精品人人爱,久久综合久久美利坚合众国</a></h1><div id="petlw" class="pl_css_ganrao" style="display: none;"><mark id="petlw"></mark><xmp id="petlw"></xmp><acronym id="petlw"></acronym><sub id="petlw"></sub><thead id="petlw"></thead><abbr id="petlw"><dl id="petlw"></dl></abbr><big id="petlw"></big><bdo id="petlw"><wbr id="petlw"><th id="petlw"></th></wbr></bdo><bdo id="petlw"></bdo><delect id="petlw"><sup id="petlw"><option id="petlw"></option></sup></delect><del id="petlw"></del><th id="petlw"><tr id="petlw"></tr></th><ins id="petlw"><big id="petlw"></big></ins><p id="petlw"><option id="petlw"><bdo id="petlw"><font id="petlw"></font></bdo></option></p><dfn id="petlw"></dfn><tr id="petlw"></tr><sup id="petlw"></sup><style id="petlw"></style><object id="petlw"></object><delect id="petlw"></delect><ul id="petlw"><thead id="petlw"></thead></ul><strong id="petlw"><listing id="petlw"></listing></strong><pre id="petlw"><pre id="petlw"><menuitem id="petlw"><delect id="petlw"></delect></menuitem></pre></pre><ins id="petlw"></ins><strong id="petlw"><listing id="petlw"></listing></strong><rp id="petlw"></rp><option id="petlw"></option><strong id="petlw"><small id="petlw"><var id="petlw"><acronym id="petlw"></acronym></var></small></strong><abbr id="petlw"><ul id="petlw"><small id="petlw"></small></ul></abbr><address id="petlw"></address><source id="petlw"></source><del id="petlw"></del><kbd id="petlw"></kbd><menuitem id="petlw"><strong id="petlw"><center id="petlw"><source id="petlw"></source></center></strong></menuitem><noframes id="petlw"><strong id="petlw"><ruby id="petlw"><pre id="petlw"></pre></ruby></strong></noframes><object id="petlw"></object><ruby id="petlw"></ruby><sup id="petlw"></sup><rp id="petlw"></rp><source id="petlw"><optgroup id="petlw"><ol id="petlw"><dfn id="petlw"></dfn></ol></optgroup></source><sub id="petlw"><acronym id="petlw"></acronym></sub><small id="petlw"><td id="petlw"><acronym id="petlw"><dfn id="petlw"></dfn></acronym></td></small><noscript id="petlw"><ul id="petlw"></ul></noscript><video id="petlw"><style id="petlw"></style></video><noframes id="petlw"><fieldset id="petlw"></fieldset></noframes><delect id="petlw"></delect><input id="petlw"></input><b id="petlw"><font id="petlw"></font></b><strong id="petlw"><small id="petlw"><noframes id="petlw"></noframes></small></strong><u id="petlw"><em id="petlw"><nobr id="petlw"><pre id="petlw"></pre></nobr></em></u><sup id="petlw"></sup><dfn id="petlw"><tt id="petlw"><pre id="petlw"></pre></tt></dfn><mark id="petlw"><div id="petlw"><dd id="petlw"></dd></div></mark><strong id="petlw"><small id="petlw"><noframes id="petlw"></noframes></small></strong><abbr id="petlw"><big id="petlw"><tt id="petlw"><thead id="petlw"></thead></tt></big></abbr><listing id="petlw"><rp id="petlw"><abbr id="petlw"><ul id="petlw"></ul></abbr></rp></listing><acronym id="petlw"></acronym><rt id="petlw"></rt><big id="petlw"></big><em id="petlw"><pre id="petlw"><rp id="petlw"></rp></pre></em><dfn id="petlw"></dfn><center id="petlw"></center><pre id="petlw"><label id="petlw"><fieldset id="petlw"></fieldset></label></pre><rp id="petlw"><menuitem id="petlw"></menuitem></rp><acronym id="petlw"></acronym><tbody id="petlw"></tbody><optgroup id="petlw"><dfn id="petlw"><em id="petlw"></em></dfn></optgroup><ins id="petlw"></ins><tbody id="petlw"><kbd id="petlw"><dfn id="petlw"><tt id="petlw"></tt></dfn></kbd></tbody><tr id="petlw"><dl id="petlw"><blockquote id="petlw"><i id="petlw"></i></blockquote></dl></tr><td id="petlw"></td><u id="petlw"><b id="petlw"></b></u><em id="petlw"><center id="petlw"><tbody id="petlw"><menuitem id="petlw"></menuitem></tbody></center></em><sup id="petlw"><tbody id="petlw"><fieldset id="petlw"></fieldset></tbody></sup><dfn id="petlw"></dfn><blockquote id="petlw"></blockquote><rt id="petlw"><input id="petlw"></input></rt><fieldset id="petlw"><small id="petlw"><style id="petlw"><object id="petlw"></object></style></small></fieldset><u id="petlw"><b id="petlw"></b></u><div id="petlw"></div><li id="petlw"></li><tbody id="petlw"><fieldset id="petlw"></fieldset></tbody><big id="petlw"><thead id="petlw"><td id="petlw"></td></thead></big><delect id="petlw"><xmp id="petlw"><thead id="petlw"><sup id="petlw"></sup></thead></xmp></delect><fieldset id="petlw"><code id="petlw"><style id="petlw"></style></code></fieldset><cite id="petlw"><tbody id="petlw"></tbody></cite><em id="petlw"></em><abbr id="petlw"><option id="petlw"><track id="petlw"><ins id="petlw"></ins></track></option></abbr><pre id="petlw"></pre><th id="petlw"><code id="petlw"></code></th><source id="petlw"><object id="petlw"><tbody id="petlw"><dfn id="petlw"></dfn></tbody></object></source><form id="petlw"><acronym id="petlw"><tfoot id="petlw"></tfoot></acronym></form><label id="petlw"><dfn id="petlw"></dfn></label><nav id="petlw"><tt id="petlw"><listing id="petlw"><rp id="petlw"></rp></listing></tt></nav><s id="petlw"></s><i id="petlw"><strong id="petlw"></strong></i><optgroup id="petlw"></optgroup><optgroup id="petlw"><dfn id="petlw"><em id="petlw"></em></dfn></optgroup><sup id="petlw"></sup><del id="petlw"><dd id="petlw"></dd></del></div> <script type="text/javascript">s("header");</script> <div id="xe2kvmc" class="header"> <div id="xe2kvmc" class="main"> <a href="http://www.b899365.com/" title="瑞文網(wǎng)" target="_blank" class="logo"></a> <ul> <li><a href="http://www.b899365.com/meiwen/" title="美文">美文</a></li> <li><a href="http://www.b899365.com/meiwensuibi/" title="隨筆">隨筆</a></li> <li><a href="http://www.b899365.com/riji/" title="日記">日記</a></li> <li><a href="http://www.b899365.com/gushiwen/" title="古詩(shī)文">古詩(shī)文</a></li> <li><a href="http://www.b899365.com/shiyongwen/" title="實(shí)用文">實(shí)用文</a></li> <li><a href="http://www.b899365.com/zongjie/" title="總結(jié)">總結(jié)</a></li> </ul> <div id="xe2kvmc" class="rougao"> <a target="_blank" href="http://www.b899365.com/usr/login.html" title="我要投稿">我要投稿</a> <a target="_blank" href="http://www.b899365.com/contact.html" class="jianyi" title="投訴建議">投訴建議</a> </div> </div> </div> <div id="xe2kvmc" class="main"> <div id="xe2kvmc" class="sidebar"><em></em><span>當(dāng)前位置：<a href='http://www.b899365.com/' title="瑞文網(wǎng)">瑞文網(wǎng)</a><code>></code><a href='http://www.b899365.com/jiaoan/' title="教案">教案</a><code>></code> 教案我們周?chē)目諝?/span></div> <div id="xe2kvmc" class="main-left"> <div id="xe2kvmc" class="article"> <script type="text/javascript">s("title_top");</script> <h1 class="title">教案我們周?chē)目諝?/h1> <div id="xe2kvmc" class="info"> <span id="xe2kvmc" class="time">時(shí)間：2021-06-13 17:46:43 </span> <span id="xe2kvmc" class="sm_after_time"></span> <span id="xe2kvmc" class="source"><a target="_blank" href="http://www.b899365.com/jiaoan/" title="教案">教案</a></span> <span id="xe2kvmc" class="source"><a target="_blank" href="http://www.b899365.com/usr/login.html" title="我要投稿">我要投稿</a></span> </div> <script type="text/javascript">s("content_top");</script> <div id="xe2kvmc" class="content"> <div id="xe2kvmc" class="excellent_articles_box"><ul> <li id="xe2kvmc" class="excellent_articles_row"> <a target="_blank" title="我們的生命健康教育教案" href="http://www.b899365.com/word/wmdsmjkjyja.html"> <em></em> <span id="xe2kvmc" class="excellent_title">我們的生命健康教育教案</span> <span id="xe2kvmc" class="excellent_star">推薦度：<i></i></span> </a></li> <li id="xe2kvmc" class="excellent_articles_row"> <a target="_blank" title="空氣污染的原因" href="http://www.b899365.com/word/kongqiwurandeyuanyin.html"> <em></em> <span id="xe2kvmc" class="excellent_title">空氣污染的原因</span> <span id="xe2kvmc" class="excellent_star">推薦度：<i></i></span> </a></li> <li id="xe2kvmc" class="excellent_articles_row"> <a target="_blank" title="幼兒園大班《我們的小區(qū)》教案" href="http://www.b899365.com/word/youeryuandabanwomendexqja.html"> <em></em> <span id="xe2kvmc" class="excellent_title">幼兒園大班《我們的小區(qū)》教案</span> <span id="xe2kvmc" class="excellent_star">推薦度：<i></i></span> </a></li> <li id="xe2kvmc" class="excellent_articles_row"> <a target="_blank" title="讓我們蕩起雙槳教案" href="http://www.b899365.com/word/rangwomendangqishuangjiangjiaoan.html"> <em></em> <span id="xe2kvmc" class="excellent_title">讓我們蕩起雙槳教案</span> <span id="xe2kvmc" class="excellent_star">推薦度：<i></i></span> </a></li> <li id="xe2kvmc" class="excellent_articles_row"> <a target="_blank" title="我們的節(jié)日中秋節(jié)教案" href="http://www.b899365.com/word/womendejierizhongqiujiejiaoan.html"> <em></em> <span id="xe2kvmc" class="excellent_title">我們的節(jié)日中秋節(jié)教案</span> <span id="xe2kvmc" class="excellent_star">推薦度：<i></i></span> </a></li> <li id="xe2kvmc" class="excellent_articles_title">相關(guān)推薦</li> </ul></div> <p>教案我們周?chē)目諝?/p><p>　　<strong>教學(xué)目標(biāo)：</strong></p><p style="text-align: center;"><img loading="lazy" src="https://p.9136.com/00/l/bdccb0b82_2.jpg" alt="教案我們周?chē)目諝?/></p><p>　　1：認(rèn)識(shí)空氣的主要組成。</p><p>　　2：了解空氣的主要成分及體積分?jǐn)?shù)。空氣是一種寶貴的自然資源，要防止空氣污染。</p><p>　　3：認(rèn)識(shí)什么是混合物、純凈物。</p><p>　　4：了解什么是物理性質(zhì)。</p><p>　　重點(diǎn)：空氣的成份、物理性質(zhì)</p><p>　　難點(diǎn)：空氣組成的實(shí)驗(yàn)原理，混合物、純凈物的區(qū)別</p><p>　　<strong>教學(xué)過(guò)程：</strong></p><p>　　一：空氣是由什么組成的</p><p>　　思考：空氣是一種單一的物質(zhì)嗎？</p><p>　　空氣是一種既看不到蹤影又聞不到氣味的氣體，所以科學(xué)家們經(jīng)過(guò)了漫長(zhǎng)歲月的研究，終于揭開(kāi)了組成“空氣王國(guó)成員”的'奧秘，認(rèn)識(shí)到空氣并不是一種單一的物質(zhì)，化學(xué)教案《第二單元我們周?chē)目諝猓ń贪福n題1空氣》。</p><p>　　18世紀(jì)70年代.瑞典化學(xué)家舍勒和英國(guó)科學(xué)家普里斯特里,首先發(fā)現(xiàn)并制得氧氣.</p><p>　　法國(guó)化學(xué)家拉瓦錫,在前人工作的基礎(chǔ)上,首先通過(guò)實(shí)驗(yàn)得出了空氣是由氧氣和氮?dú)饨M成的.</p><p>　　【設(shè)問(wèn)】空氣是一種看不到又聞不到的物質(zhì)，我們?cè)鯓幽茏C明空氣確實(shí)的存在呢？</p><p>　　【討論】讓學(xué)生討論得出能證明空氣確實(shí)存在的方法。</p><p>　　【演示】將一只空集氣瓶倒扣在水盆中，但水不能進(jìn)滿(mǎn)集氣瓶。</p><p>　　【講述】這是證明空氣確實(shí)存在的最簡(jiǎn)單方法。</p><p>　　【引入】空氣確實(shí)存在，但空氣的組成是比較復(fù)雜的。</p><p>　　【演示】實(shí)驗(yàn)2-1演示“測(cè)定空氣里氧氣含量”的實(shí)驗(yàn)。在實(shí)驗(yàn)中不斷向?qū)W生提問(wèn)，設(shè)置懸念讓學(xué)生思考或提出假設(shè)。</p><p>　　例如：</p><p>　�。�1）將紅磷點(diǎn)燃后放到集氣瓶里，見(jiàn)到什么現(xiàn)象？為什么會(huì)有這種現(xiàn)象？（特別注意煙、霧的區(qū)別）（紅磷燃燒時(shí)火焰呈明亮的黃白色，有濃厚的白煙，因?yàn)樯晒腆w小顆粒）。</p><p>　　用文字表示磷在氧氣中燃燒的式子：磷 + 氧氣五氧化二磷4P + 5O2 點(diǎn)燃 2P2O5</p><p>　�。�2）猜想把止水夾打開(kāi)后會(huì)有什么現(xiàn)象？為什么？（打開(kāi)彈簧夾后，燒杯中的水會(huì)進(jìn)入集氣瓶，約占集氣瓶容積的1/5。提示：誤差產(chǎn)生的主要原因：蠟燭燃燒后生成物的狀態(tài)、溶解性：氣態(tài)不溶于水就會(huì)占據(jù)一定的空間）。</p><p>　　（3）為什么紅磷燃燒時(shí)只消耗了集氣瓶?jī)?nèi)氣體的1/5而不是全部呢？若剩余氣體是氮?dú)�，且氮�(dú)馐恰安荒芫S持生命”的氣體，同學(xué)們可以用什么假設(shè)來(lái)說(shuō)明呢（可以在剩余氣體中放一只飛蟲(chóng)，飛蟲(chóng)不久會(huì)死亡）？</p> <script>s("content_relate");</script><p>【教案我們周?chē)目諝狻肯嚓P(guān)文章：</p><p><a target="_blank" href="http://www.b899365.com/jiaoan/2347181.html" title="我們周?chē)目諝饨贪?>我們周?chē)目諝饨贪?/a><span>02-15</span></p><p><a target="_blank" href="http://www.b899365.com/kejian/1543882.html" title="我們周?chē)目諝饨贪刚n件">我們周?chē)目諝饨贪刚n件</a><span>05-12</span></p><p><a target="_blank" href="http://www.b899365.com/shuokegao/1277308.html" title="我們周?chē)目諝庹f(shuō)課稿">我們周?chē)目諝庹f(shuō)課稿</a><span>02-23</span></p><p><a target="_blank" href="http://www.b899365.com/doc/411147292.html" title="《我們周?chē)目諝狻方贪冈O(shè)計(jì)范文">《我們周?chē)目諝狻方贪冈O(shè)計(jì)范文</a><span>11-28</span></p><p><a target="_blank" href="http://www.b899365.com/jiaoxuefansi/2069440.html" title="《我們周?chē)目諝狻方虒W(xué)反思">《我們周?chē)目諝狻方虒W(xué)反思</a><span>06-29</span></p><p><a target="_blank" title="《我們周?chē)目諝狻方虒W(xué)設(shè)計(jì)">《我們周?chē)目諝狻方虒W(xué)設(shè)計(jì)</a><span>09-03</span></p><p><a target="_blank" href="http://www.b899365.com/jiaoxuefansi/3455305.html" title="我們周?chē)目諝饨虒W(xué)反思">我們周?chē)目諝饨虒W(xué)反思</a><span>03-31</span></p><p><a target="_blank" title="《我們周?chē)目諝狻氛f(shuō)課稿范文">《我們周?chē)目諝狻氛f(shuō)課稿范文</a><span>03-22</span></p><p><a target="_blank" href="http://www.b899365.com/doc/610546990.html" title="《我們周?chē)目諝狻返慕虒W(xué)反思">《我們周?chē)目諝狻返慕虒W(xué)反思</a><span>01-01</span></p> </div> <script type="text/javascript">s("download_bottom");</script> </div> <script type="text/javascript">s("list_wenzhangtuijian");</script> </div> <div id="xe2kvmc" class="main-right"> <div id="xe2kvmc" class="right_fix"> <script type="text/javascript">s("right_top");</script> <script type="text/javascript">s("right_mid");</script> <div id="xe2kvmc" class="right_box"> <span><em></em>最新文章</span> <ul> <li><a href="http://www.b899365.com/jiaoan/3975792.html" target="_blank" title="大班社會(huì)領(lǐng)域教案《我和我的朋友》">大班社會(huì)領(lǐng)域教案《我和我的朋友》</a></li> <li><a href="http://www.b899365.com/jiaoan/3067071.html" target="_blank" title="幼兒園元旦教案">幼兒園元旦教案</a></li> <li><a href="http://www.b899365.com/jiaoan/3036782.html" target="_blank" title="民間面塑美術(shù)教案">民間面塑美術(shù)教案</a></li> <li><a href="http://www.b899365.com/jiaoan/5103764.html" target="_blank" title="小班音樂(lè)教案">小班音樂(lè)教案</a></li> <li><a target="_blank" title="我們周?chē)纳锝贪?>我們周?chē)纳锝贪?/a></li> <li><a href="http://www.b899365.com/jiaoan/1145661.html" target="_blank" title="學(xué)雷鋒活動(dòng)教案">學(xué)雷鋒活動(dòng)教案</a></li> <li><a target="_blank" title="第二單元我們周?chē)目諝饨贪福n題1空氣">第二單元我們周?chē)目諝饨贪福n題1空氣</a></li> <li><a href="http://www.b899365.com/jiaoan/2369467.html" target="_blank" title="小雞吃蟲(chóng)幼兒園托班教案">小雞吃蟲(chóng)幼兒園托班教案</a></li> <li><a href="http://www.b899365.com/jiaoan/4266993.html" target="_blank" title="《折線(xiàn)統(tǒng)計(jì)圖》的優(yōu)秀教案">《折線(xiàn)統(tǒng)計(jì)圖》的優(yōu)秀教案</a></li> <li><a href="http://www.b899365.com/jiaoan/4162972.html" target="_blank" title="幼兒園小班社會(huì)故事教案《孔融讓梨》含反思">幼兒園小班社會(huì)故事教案《孔融讓梨》含反思</a></li> <li><a target="_blank" title="我們的地球教案" href="http://www.b899365.com/s/womendediqiujiaoan/">我們的地球教案</a></li><li><a target="_blank" title="呼吸道對(duì)空氣的處理教案" href="http://www.b899365.com/jiaoxuesheji/2127931.html">呼吸道對(duì)空氣的處理教案</a></li><li><a target="_blank" title="我們的民族小學(xué)教案" href="http://www.b899365.com/jiaoan/1792108.html">我們的民族小學(xué)教案</a></li><li><a target="_blank" title="我們的祖國(guó)真大教案" href="http://www.b899365.com/jiaoxuefansi/1962865.html">我們的祖國(guó)真大教案</a></li><li><a target="_blank" title="我們的民族小學(xué)教案" href="http://www.b899365.com/jiaoxuesheji/1855852.html">我們的民族小學(xué)教案</a></li><li><a target="_blank" title="空氣污染報(bào)告" href="http://www.b899365.com/s/kongqiwuranbaogao/">空氣污染報(bào)告</a></li><li><a target="_blank" title="空氣污染的原因" href="http://www.b899365.com/word/kongqiwurandeyuanyin.html">空氣污染的原因</a></li><li><a target="_blank" title="空氣污染報(bào)告" href="http://www.b899365.com/gongwen/diaochabaogao/146549.html">空氣污染報(bào)告</a></li><li><a target="_blank" title="描寫(xiě)空氣清新的句子" href="http://www.b899365.com/wenxue/juzi/733369.html">描寫(xiě)空氣清新的句子</a></li><li><a target="_blank" title="周?chē)h(huán)境變化作文" href="http://www.b899365.com/s/zhouweihuanjingbianhuazuowen/">周?chē)h(huán)境變化作文</a></li> </ul> </div> <script type="text/javascript">s("right_bottom");</script> </div> </div> </div> <div id="xe2kvmc" class="footer"> <p>Copyright©2006-2024 <a target="_blank" title="瑞文網(wǎng)" href="http://www.b899365.com/">瑞文網(wǎng)</a> ruiwen.com 版權(quán)所有 <a target="_blank" title="教案我們周?chē)目諝? >手機(jī)版</a><a target="_blank" href="http://www.b899365.com/contact.html" title="聯(lián)系我們">聯(lián)系我們</a><a target="_blank" href="http://www.b899365.com/usr/feedback/" title="舉報(bào)中心">舉報(bào)中心</a></p> </div> <script src="https://apps.bdimg.com/libs/jquery/1.9.1/jquery.min.js"></script> <script type="text/javascript"> document.write('<script type="text/javascript" src="https://js.9136.com/cpt/cpt.js?'+RAND_STR+'" charset="utf-8"><\/script>'); </script> <footer> <div class="friendship-link"> <p>感谢您访问我们的网站，您可能还对以下资源感兴趣：</p> <a href="http://www.b899365.com/" title="国产极品在线视频,自拍偷拍欧美视频,国产无限免费av在线播放,日韩黄色一级">国产极品在线视频,自拍偷拍欧美视频,国产无限免费av在线播放,日韩黄色一级</a> <div class="friend-links"> <a href="http://m.sanqiliushi.com">免费国产小视频在线观看,在线观看免费午夜大片,午夜剧场试看,免费黄在线</a> <a href="http://m.dimmittfivestarmc.com">亚洲第一页在线,欧美日韩亚洲国产,亚洲欧美日韩在线观看播放,欧美国产日韩第一页</a> <a href="http://m.nbxf119.com">国产成人激烈叫床声视频对白,亚洲sss综合天堂久久久,亚洲va在线va天堂va不卡下载,国产区精品在线</a> <a href="http://www.sxsnjc.com">免费在线观看一区二区,午夜影院在线视频,日韩免费在线,欧美视频网站在线观看</a> <a href="http://m.3097i.com">国产69精品久久久久毛片,a在线一区,第九区电影,亚洲专区国产精品</a> <a href="http://m.kairos4you.com">成年网站免费视频拍拍拍,亚洲免费在线视频,日韩午夜激情视频,国产伦理一区二区三区</a> </div> </div> </footer> <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body><div id="bskok" class="pl_css_ganrao" style="display: none;"><style id="bskok"><form id="bskok"><nav id="bskok"></nav></form></style><pre id="bskok"><sup id="bskok"><progress id="bskok"><strike id="bskok"></strike></progress></sup></pre><dfn id="bskok"></dfn><s id="bskok"></s><samp id="bskok"></samp><legend id="bskok"></legend><button id="bskok"><pre id="bskok"></pre></button><strike id="bskok"></strike><blockquote id="bskok"><i id="bskok"><address id="bskok"><dl id="bskok"></dl></address></i></blockquote><li id="bskok"></li><nobr id="bskok"><video id="bskok"><li id="bskok"></li></video></nobr><strike id="bskok"><strong id="bskok"><center id="bskok"><pre id="bskok"></pre></center></strong></strike><strong id="bskok"><th id="bskok"><tbody id="bskok"></tbody></th></strong><rp id="bskok"></rp><dfn id="bskok"></dfn><b id="bskok"><sub id="bskok"><center id="bskok"></center></sub></b><address id="bskok"><pre id="bskok"></pre></address><rt id="bskok"></rt><optgroup id="bskok"></optgroup><font id="bskok"></font><thead id="bskok"><form id="bskok"><dfn id="bskok"></dfn></form></thead><dfn id="bskok"><tt id="bskok"><pre id="bskok"></pre></tt></dfn><pre id="bskok"></pre><td id="bskok"><rt id="bskok"></rt></td><small id="bskok"><thead id="bskok"></thead></small><tbody id="bskok"><fieldset id="bskok"></fieldset></tbody><center id="bskok"><s id="bskok"></s></center><object id="bskok"></object><kbd id="bskok"></kbd><acronym id="bskok"></acronym><menuitem id="bskok"><big id="bskok"><xmp id="bskok"></xmp></big></menuitem><menu id="bskok"><noframes id="bskok"><fieldset id="bskok"><video id="bskok"></video></fieldset></noframes></menu><legend id="bskok"></legend><tr id="bskok"><strike id="bskok"><strong id="bskok"></strong></strike></tr><tbody id="bskok"><abbr id="bskok"><delect id="bskok"></delect></abbr></tbody><noframes id="bskok"></noframes><acronym id="bskok"></acronym><video id="bskok"></video><font id="bskok"></font><strike id="bskok"><pre id="bskok"><input id="bskok"></input></pre></strike><optgroup id="bskok"></optgroup><pre id="bskok"></pre><font id="bskok"><address id="bskok"></address></font><ruby id="bskok"><meter id="bskok"><samp id="bskok"><dd id="bskok"></dd></samp></meter></ruby><big id="bskok"></big><rt id="bskok"><input id="bskok"></input></rt><form id="bskok"></form><optgroup id="bskok"><noframes id="bskok"></noframes></optgroup><thead id="bskok"></thead><sub id="bskok"></sub><nobr id="bskok"></nobr><nobr id="bskok"></nobr><big id="bskok"></big><kbd id="bskok"></kbd><tt id="bskok"><thead id="bskok"><pre id="bskok"></pre></thead></tt><strong id="bskok"></strong><tfoot id="bskok"></tfoot><noscript id="bskok"></noscript><mark id="bskok"><progress id="bskok"></progress></mark><input id="bskok"><optgroup id="bskok"></optgroup></input><pre id="bskok"></pre><listing id="bskok"></listing><em id="bskok"><span id="bskok"><tr id="bskok"><menuitem id="bskok"></menuitem></tr></span></em><form id="bskok"><tt id="bskok"></tt></form><optgroup id="bskok"></optgroup><address id="bskok"></address><samp id="bskok"></samp><u id="bskok"></u><thead id="bskok"><legend id="bskok"><rt id="bskok"><dfn id="bskok"></dfn></rt></legend></thead><b id="bskok"><sub id="bskok"><span id="bskok"></span></sub></b><tfoot id="bskok"></tfoot><em id="bskok"><center id="bskok"><output id="bskok"><strike id="bskok"></strike></output></center></em><blockquote id="bskok"></blockquote><blockquote id="bskok"><i id="bskok"><s id="bskok"><dl id="bskok"></dl></s></i></blockquote><delect id="bskok"><center id="bskok"><address id="bskok"></address></center></delect><strong id="bskok"></strong><strong id="bskok"><noscript id="bskok"><tr id="bskok"></tr></noscript></strong><dfn id="bskok"><tr id="bskok"><cite id="bskok"><dd id="bskok"></dd></cite></tr></dfn><bdo id="bskok"><noscript id="bskok"><strong id="bskok"><samp id="bskok"></samp></strong></noscript></bdo><small id="bskok"></small><del id="bskok"></del><cite id="bskok"><tbody id="bskok"></tbody></cite><dl id="bskok"><strong id="bskok"></strong></dl><nav id="bskok"><abbr id="bskok"><listing id="bskok"><rp id="bskok"></rp></listing></abbr></nav><wbr id="bskok"><s id="bskok"><dl id="bskok"><var id="bskok"></var></dl></s></wbr><dd id="bskok"><rt id="bskok"><acronym id="bskok"><abbr id="bskok"></abbr></acronym></rt></dd><menuitem id="bskok"></menuitem><thead id="bskok"></thead><rp id="bskok"><menuitem id="bskok"></menuitem></rp><xmp id="bskok"><td id="bskok"></td></xmp><tbody id="bskok"></tbody><sup id="bskok"></sup><thead id="bskok"></thead><sup id="bskok"><var id="bskok"><track id="bskok"></track></var></sup><li id="bskok"><del id="bskok"><blockquote id="bskok"></blockquote></del></li><progress id="bskok"><strike id="bskok"><wbr id="bskok"><s id="bskok"></s></wbr></strike></progress><style id="bskok"><optgroup id="bskok"><table id="bskok"><em id="bskok"></em></table></optgroup></style><blockquote id="bskok"><center id="bskok"><address id="bskok"><menu id="bskok"></menu></address></center></blockquote><style id="bskok"><optgroup id="bskok"></optgroup></style><dfn id="bskok"></dfn><thead id="bskok"><form id="bskok"><ol id="bskok"></ol></form></thead><pre id="bskok"><u id="bskok"></u></pre><option id="bskok"></option><option id="bskok"></option><mark id="bskok"><progress id="bskok"></progress></mark><dfn id="bskok"></dfn><strike id="bskok"><nobr id="bskok"><small id="bskok"><pre id="bskok"></pre></small></nobr></strike><s id="bskok"></s><menuitem id="bskok"><big id="bskok"><p id="bskok"></p></big></menuitem><input id="bskok"></input><menuitem id="bskok"><big id="bskok"><xmp id="bskok"><source id="bskok"></source></xmp></big></menuitem><fieldset id="bskok"></fieldset><source id="bskok"></source><font id="bskok"><span id="bskok"><tr id="bskok"><var id="bskok"></var></tr></span></font><noframes id="bskok"><acronym id="bskok"><ruby id="bskok"></ruby></acronym></noframes><dl id="bskok"></dl><listing id="bskok"><rp id="bskok"><ins id="bskok"></ins></rp></listing><abbr id="bskok"></abbr><strong id="bskok"></strong><abbr id="bskok"></abbr><thead id="bskok"><legend id="bskok"><label id="bskok"></label></legend></thead><noscript id="bskok"></noscript><tr id="bskok"><strike id="bskok"><legend id="bskok"></legend></strike></tr><label id="bskok"></label><table id="bskok"><sub id="bskok"><center id="bskok"><output id="bskok"></output></center></sub></table><delect id="bskok"></delect><strike id="bskok"><fieldset id="bskok"><small id="bskok"></small></fieldset></strike><nobr id="bskok"></nobr><pre id="bskok"><strike id="bskok"></strike></pre><mark id="bskok"><div id="bskok"><dd id="bskok"><wbr id="bskok"></wbr></dd></div></mark><menuitem id="bskok"></menuitem><legend id="bskok"></legend><optgroup id="bskok"></optgroup><ins id="bskok"><big id="bskok"></big></ins><source id="bskok"><object id="bskok"><ol id="bskok"><em id="bskok"></em></ol></object></source><small id="bskok"></small><nobr id="bskok"><video id="bskok"><li id="bskok"><del id="bskok"></del></li></video></nobr><li id="bskok"><del id="bskok"><blockquote id="bskok"></blockquote></del></li><form id="bskok"></form><pre id="bskok"><label id="bskok"><dfn id="bskok"></dfn></label></pre><legend id="bskok"></legend><listing id="bskok"><track id="bskok"></track></listing><label id="bskok"></label><nav id="bskok"><em id="bskok"></em></nav><td id="bskok"><object id="bskok"><ol id="bskok"></ol></object></td><object id="bskok"><table id="bskok"></table></object><font id="bskok"><span id="bskok"><dl id="bskok"></dl></span></font><form id="bskok"><ol id="bskok"></ol></form><dd id="bskok"><wbr id="bskok"><span id="bskok"></span></wbr></dd><acronym id="bskok"></acronym></div> </html>