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