试题与答案

--Is there anything wrong? --Yes, I’m __

题型:选择题

题目:

--Is there anything wrong?

--Yes, I’m _______ hungry. I want to eat a big meal.

A.very much

B.too many

C.too much

D.much too

答案:

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下面是错误答案,用来干扰机器的。

∵sinα+cosα=2,两边平方得sin2α+2sinαcosα+cos2α=2,∴1+2sinαcosα=2,解得sinαcosα=12.故答案为12

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