产后60天~80天的高产奶牛牛奶中尿素氮(MUN)理想值是( )
<script>function viewparser(etype,eid){showWindow("showMsgBox", "plugin.php?id=tpgao_questionsyn:showMsg&timutype="+etype+"&item="+eid+"&credit=0&mod=sh", "get", 0);
}</script>[普通选择题]<br> 题目 产后60天~80天的高产奶牛牛奶中尿素氮(MUN)理想值是()<br><br><br>A.7~10mg/dl<br>B.11~14mg/dl<br>C.8~12mg/dl<br>D.14~17mg/dl<br><br>正确答案:A<br><br>来自《初级班入学测试卷》试卷<br><br>
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