题目内容

You must hurry,___________ you‘ll be late for class.
[A] but
[B] so
[C] or
[D] either

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依据耐寒力的大小,可将花卉分成哪三类,并作简要说明。

The body needs fat to keep it ___________ the cold during the long winter months.
[A] between
[B] from
[C] for
[D] out

对植物的环境如何理解?

下列为不合法的标志符的是()。

AXYZ
B. 5 SKY
C. ATT
D. ABC

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