61.正离子是
<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 61.正离子是<br><br><br>A.中子失去电子<br>B.中子获得电子<br>C.原子失去电子<br>D.原子获得电子<br>E.质子<br><br>正确答案:C<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,13694);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>来自《B18Z专业知识(291题)》试卷<br><br>
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