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单项选择题

卵巢的功能是

A.胎儿娩出的通道
B.孕育胎儿
C.产生月经
D.精卵结合的部位
E.生殖和内分泌
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相关考题

单项选择题
体重为出生时4倍的年龄是
A.出生时
B.6个月
C.1岁
D.2岁
E.3岁
未知题型
第二节
听下面5段对话或独白。每段对话或独白后有几道小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有5秒钟的时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。
听力原文：W: What can I do for you?
M: I'd like to exchange this sweater.
W: What seems to be the matter?
M: Well, you see I got this as a birthday present, but it's the wrong size, and what's more, I really don't like the color.
W: Do you have the receipt?
M: Yes.
W: Can I have a look at it, please?
M: Certainly.
Where does the conversation probably take place?
A.In a friend's housE.
B.In a shop.
C.At a party.
单项选择题
闭合性损伤最容易损伤的脏器是
A.肝
B.小肠
C.脾
D.胃
E.肾
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