题目内容

将动物双侧迷走神经切断是否能严重影响胰液分泌?为什么?

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试述胃液分泌的分期。

Let's walk to the shops instead of taking the car,________?

A. shall we
B. don't we
C. will we
D. won't we

The travel agency will arrange for us_______at a really nice hotel.

A. stay
B. of staying
C. to stay
D. staying

I don't want______of my parents to know I failed the final exam.

A. either
B. any
C. neither
D. none

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