90致病因素是（）.
<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 90致病因素是（）.<br><br><br>A.病毒感染<br>B.细菌感染<br>C.退行性改变<br>D.变态反应<br>E.高血压<br><br>正确答案：C<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,9698);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>来自《相关专业知识考前冲刺》试卷<br><br>
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