236.慢性阻塞性肺疾病的主要特征是
<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 236.慢性阻塞性肺疾病的主要特征是<br><br><br>A.大气道阻塞<br>B.小气道阻塞<br>C.双肺哮鸣音<br>D.桶状胸<br>E.胸片示肺纹理增粗<br><br>正确答案：B<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,14334);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>来自《B18X相关专业知识(325题)》试卷<br><br>
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