题目内容

冬虫夏草分布于海拔m的高山草甸区 。

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She doesn’t speak _______her friend, but her written work is excellent.

A. as well as
B. so often as
C. so much as
D. as good as

He’ll be happy _______he may be.

A. when
B. if
C. because
D. wherever

-Why do you drink so much coffee? -Well, _______it does keep me awake in the night, I see no harm in it.

A. although
B. if
C. unless
D. while

It was _______it rained heavily that they didn’t come.

A. as
B. because
C. for
D. since

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