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【单选题】
在一个大群体中 ,基因频率为A=0.2,a=0.8,如随机交配一代,则产生的新群体的基因型频率为:A.
0.06:0.62:0.32
B.
0.04:0.32:0.64
C.
0.32:0.08:0.60
D.
0.04:0.36:0.60
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举一反三
【单选题】My wife ___________ me there now and I don’t want to be late.
A.
is waiting for
B.
waits for
C.
wait for
D.
waited for
【简答题】综合填空。 阅读短文,从方框中选择恰当的词并用其适当形式填空,使短文完整正确。(每个单词限用一次,每空只填一个单词)。 clear, doctor, happy, raise, find, parents, she, share, well, hope Alice was born with a strange disease. She was taken to many hospitals. N...
【简答题】选择恰当的单词,并用其正确形式填空。 shelter ; aware ; discrimination ; trend ; track ; promote 1. He is passionately opposed to racial _____________ . 2. He had no ___________ of his mistakes 3. The police ___________...
【简答题】事件营销分为哪两种模式?分别举个案例,并简要分析
【单选题】Jane ___________ me there now and I don’t want to be late.
A.
waited for
B.
waits for
C.
wait for
D.
is waiting for
【简答题】选择恰当的单词,并用其正确形式填空。 shelter ; aware ; discrimination ; trend ; track ; promote 1. He is passionately opposed to racial _____________. 2. He had no ___________ of his mistakes 3. The police ___________ ...
【简答题】根据情景从方框中选择恰当的单词，并用其正确形式将短文补充完整 。 to teacher he speak watch like every hard but good Li Hua __ 1 __ English very much. He works __2 __ at it. He reads English __ 3__ morning. He likes _ 4 __ ...
【简答题】注意力转移的速度是_的体现,也是提高工作效率的保证。
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