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【简答题】
有一种脚很短的鸡叫爬行鸡，由显性遗传因子A控制，在爬行鸡的遗传实验中得到下列结果： (1)第一组两个亲本的遗传因子是_______________。 (2)第二组两个亲本的遗传因子是_______________。
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反馈参考答案：
举一反三
【单选题】Obviously, ______ no one wants to be alone all the time, everyone needs some degree of privacy. [ ]
A.
if
B.
but
C.
although
D.
because
【单选题】Everyone needs a balance of cooling yin and hot yang to be ______. [ ]
A.
health
B.
healthy
C.
healthier
D.
healthiest
【单选题】Everyone needs a friend, ___ you can share the bad times and the good times with.
A.
that
B.
him
C.
which
D.
one
【单选题】Everyone sometimes needs to feel good about ________. [ ]
A.
him
B.
he
C.
himself
D.
his
【简答题】Everyone needs to sleep. This is a fact of life that everyone has to deal with and that they get plenty of it. Your body needs time to get back the energy that you during the whole day. This usually h...
【单选题】弱式有效市场假说认为，市场价格已充分反映出所有过去历史的证券价格信息。下列说法中，属于弱式有效市场所反映出的信息是（）。
A.
成交量
B.
财务信息
C.
内幕信息
D.
公司管理状况
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