奶牛第二胎的产奶量为最高胎次的()
<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 奶牛第二胎的产奶量为最高胎次的()<br><br><br>A.60%-70%<br>B.70%-87%<br>C.87%-95%<br>D.95%-99%<br><br>正确答案:B<br><br>来自《每日一题(5月8日)》试卷<br><br>
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