21.多发性硬化好发于
<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 21.多发性硬化好发于<br><br><br>A.儿童<br>B.少年<br>C.青壮年<br>D.中年<br>E.老年<br><br>正确答案：C<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,16318);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>来自《C8B18神经疾病（师50题）》试卷<br><br>
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