26长波紫外线的波长范围为()。
<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 26长波紫外线的波长范围为()。<br><br><img src=""><br>A.490~450nm<br>B.450~400nm<br>C.400~320nm<br>D.320~280nm<br>E.280~180nm<br><br>正确答案:C<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,9134);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>
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