皮皮学，免费搜题
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【单选题】
在青春期以前生精小管中一般只有A.
支持细胞和精子
B.
初级精母细胞和精原细胞
C.
精子细胞和精子
D.
精原细胞和精子
E.
支持细胞和精原细胞
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Bina: Why won't you tell me what you got me for my birthday?
A.
Lighten up.
B.
Wait and see.
【单选题】—What a pleasant surprise to see you here! I you Shanghai. —Me too. But I there next Saturday.
A.
think; have gone to; am going
B.
thought; had gone to; will go
C.
thought; had been to; would go
D.
think; have been to; am going
【单选题】听力原文：W: Well, Bob James, what a surprise! It's nice to see you again! M: Hello, Margaret! My gosh ! How long has it been? Wasn't it a year ago Christmas, the last time we saw you? W. You know, I think...
A.
More than two years ago.
B.
Last Christmas.
C.
Last birthday party.
D.
A long time ago.
【单选题】听力原文：W: What a surprise to see you at the supermarket! I thought you always ate in restaurants. M: The restaurants cost too much. I usually eat at home, and I'm a good cook. Ii you like, you can come ...
A.
In the supermarket.
B.
In the restaurant.
C.
In the man's home.
D.
In the woman's home.
【单选题】听力原文：W: What a surprise to see you at the supermarket! I thought you always ate in restaurants. M: The restaurants cost too much. I usually eat at home, and I'm a good cook. If you like, you can come ...
A.
In the supermarket.
B.
In the restaurant.
C.
In the man's home.
D.
In the woman's home.
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