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【单选题】
设N为群体大小,s为等位基因的选择系数,那么遗传漂变的作用大过自然选择的判据是:
A.
4Ns < 1
B.
4Ns > 1
C.
4Ns = 1
D.
4Ns =0
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参考答案:
举一反三
【单选题】He said yes, but his voice ______his real opinion on the matter.
A.
gave up
B.
gave away
C.
gave out
D.
gave off
【简答题】He said yes, but his voice (泄漏) his real opinion on the matter.
【简答题】He said yes, but his voice give away his real opinion on the matter.
【简答题】He said yes, but his voice ___his real opinion on the matter.
【单选题】He said yes, but his voice ____ his real opinion on the matter.
A.
gave off
B.
gave in
C.
gave up
D.
gave away
【单选题】明代缪希雍著,为我国第二部炮制专著的是
A.
《雷公炮炙论》
B.
《黄帝内经》
C.
《本草纲目》
D.
《修事指南》
E.
《炮炙大法》
【判断题】字符串常量"a′′占内存空间2个字节。
A.
正确
B.
错误
【判断题】起动继电器的作用是用来保护起动机电磁开关
A.
正确
B.
错误
【单选题】根据金融工具发行和流通的阶段不同对金融市场进行划分,下列说法中,错误的是 ( )
A.
发行市场也称为一级市场
B.
一级市场是证券的买卖转让市场
C.
流通市场也称为二级市场
D.
证券发行可以通过公募和私募两种方式进行
【单选题】He said yes, but his voice ________ his real opinion on this matter.
A.
gave off
B.
gave up
C.
gave in
D.
gave away
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