题目内容

This year they produced_______ grain_______ they did last year.

A. as less, as
B. as few, as
C. less, than
D. fewer, than

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---Can I help you?---Well, I'm afraid the box is_______ heavy for you, but thank you all the same.

A. so
B. much
C. very
D. too

---Excuse me. Is this Mr. Brown's office?----I'm sorry, but Mr. Brown______ works here. He left about three weeks ago.

A. not now
B. no more
C. not still
D. no longer

The bigger the apple is, ________ the price is.

A. the higher
B. higher
C. the highest
D. highest

组分A与组分B形成液相完全互溶系统,在一定温度下,若纯B的饱和蒸气压大于纯A的饱和蒸气压,当此系统处于气液平衡时,则()。

A. yB>xB
B. yB<xB
C. yB=xB
D. ABC都有可能

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