题目内容

临床中最为常见的酸碱失衡为

A. 呼吸性酸中毒
B. 呼吸性碱中毒
C. 代谢性酸中毒
D. 代谢性碱中毒

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Do you know that girl____a yellow coat?

A. to
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A. where
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A. achieved.
B. has achieved.
C. has been achieved.
D. had been achieved.

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A. most difficult
B. more difficult
C. difficult
D. difficulter

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