20.以下哪项不符合杠杆的省力原理?()
<script>function viewparser(etype,eid){showWindow("showMsgBox", "plugin.php?id=tpgao_questionsyn:showMsg&timutype="+etype+"&item="+eid+"&credit=3&mod=sh", "get", 0);
}</script>[普通选择题]<br> 题目 20.以下哪项不符合杠杆的省力原理?()<br><br><img src=""><br>A.髌骨延长了股四头肌的力臂<br>B.小转子延长了髂腰肌的力臂<br>C.股骨大转子增大了臀中饥臀小肌的力臂<br>D.提起重物时,靠近身体<br>E.提起重物时,远离身体<br><br>正确答案:E<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,5628);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>
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