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g-cw"> <i class="iconw-fixed"></i> <span>當(dāng)前位置：</span>   <a href="/question?tree_type=category&xd=2&chid=6" class="pointer">初中物理</a> <span>/</span> <a href="javascript:;">單選題</a> </div> <div id="6rp2cog" class="m-wrap g-cw cfx"> <div id="4o36lyz" class="w fl"> <div id="ftl9bbb" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="f5lpajr" class="question-block"> <div id="ro8knex" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5053152.shtml" class="ques-origin a-pointer" target="_blank"> (2021八上·順平期中) </a> 如圖所示，四個(gè)相同的玻璃瓶里裝水，水面高度不同。用嘴貼著瓶口吹氣，所發(fā)出的聲音的區(qū)別是（　　）<p><img width="198" height="136" src="http://tikupic.21cnjy.com/2021/12/21/d8/8e/d88ede81fb72aa28d22e4a507ba3eca1_280x194.png" style="max-width:100%;"></p> </h1> <div id="fb8easy" class="exam-s"> <span id="kf3gt43" class="op-item"><span id="zsbg3cz" class="op-item-nut">A . </span><span id="obb82dl" class="op-item-meat">音調(diào)不同，丁瓶的音調(diào)最高</span></span> <span id="vhf2rts" class="op-item"><span id="zunqe7b" class="op-item-nut">B . </span><span id="wg9of25" class="op-item-meat">音調(diào)不同，丙瓶的音調(diào)最高</span></span> <span id="5ozvc4g" class="op-item"><span id="djpkuql" class="op-item-nut">C . </span><span id="aijhxfl" class="op-item-meat">音調(diào)相同，丙瓶的響度最大</span></span> <span id="hmws26c" class="op-item"><span id="msmlfch" class="op-item-nut">D . </span><span id="48or5dv" class="op-item-meat">音調(diào)相同，丁瓶的響度最大</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="ni81ipc" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="9aolyfv" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=51171435" width="140px" height="140px" alt=""> <p style="text-align:center;margin-top: 10px">微信掃碼預(yù)覽、分享更方便</p> </div> <div id="qmnzn2d" class="analyize-extend JV_question__papers"> <h3 class="extend-mt">使用過本題的試卷</h3> <ul 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