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【单选题】
有关卵巢周期性变化，下述哪错误的A.
排卵后9～10天开始萎缩
B.
每一次月经周期中，只有一个卵泡发育成熟
C.
排卵多发生在下次月经来潮前14天左右
D.
卵泡发育到一定程度自行退化称为卵泡
E.
衰退的1～2细胞变性形成白体
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【简答题】Work in pairs. Search in the library or on the Internet for the information about the brand of the car you want. Make your choice of the brand of the car you would like to buy. Tell your partner which...
【单选题】The car was made in 1800; it is now regarded as an antique .
A.
a product
B.
a relic
C.
a layman
【单选题】The car was made in 1800; it is now regarded as antique.
A.
homemade
B.
old
C.
layman
D.
gorge
【简答题】DNA多态性就是限制性片段长度多态性。
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