选择题：_________a faculty member at a university, one has to have a doctorate degree.

题目内容：

_________a faculty member at a university, one has to have a doctorate degree.

A． To become

B． Become

C． One becomes

D． One becoming

参考答案：

The word "immersed" in the second paragraph means“______”.

The word "immersed" in the second paragraph means“______”.A. liftedB. raisedC. roseD. under water

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The present made her__________A．to be happyB．be happyC．happyD．that she became happy

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Richard:_________ . My name is Richard Stewart. May I take a picture of you? Mrs. Vann: By all means,

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Why do the American doctors think of using laser light to treat heart disease?A．Beeause laser light i

分类：习题答案题型：选择题

分类：习题答案题型：选择题