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如圖所示，在豎直倒置的封閉玻璃管內(nèi)注滿清水，水中有一個(gè)紅蠟塊。玻璃管以速度<em>v</em>向右勻速移動(dòng)，與此同時(shí)紅蠟塊沿玻璃管以速度2<em>v</em>勻速上浮，用虛線表示紅蠟塊相對(duì)地面移動(dòng)的軌跡，可能是下面四幅圖中的（　　）<p><img width="54" height="120" src="http://tikupic.21cnjy.com/2024/04/10/91/c6/91c6eb025e03e48b801878b2cd4c672e.png" style="max-width:100%;"></p> </h1> <div id="jzchzj6" class="exam-s"> <span id="nl8xvee" class="op-item"><span id="be2rbz8" class="op-item-nut">A . </span><span id="ecf84l0" class="op-item-meat"><img width="101" height="67" src="http://tikupic.21cnjy.com/2024/04/10/d0/52/d052f3085e03d31c2d451ce4d7a04e9c.png" style="max-width:100%;"></span></span> <span id="qens6qp" class="op-item"><span id="kitjqeq" class="op-item-nut">B . </span><span id="joyhf8f" class="op-item-meat"><img width="99" height="67" src="http://tikupic.21cnjy.com/2024/04/10/da/eb/daeb878f9537f9420db993e094c1b5a4.png" style="max-width:100%;"></span></span> <span id="t4dt78n" class="op-item"><span id="f56ihy3" class="op-item-nut">C . </span><span id="mxa2dvf" 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