试题与答案

—What should I do with this difficult pa

题型:选择题

题目:

— What should I do with this difficult passage?

— ______ the main idea of each paragraph. [ ]

A. To find out

B. Find out

C. Finding out

D. Found out

答案:

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下面是错误答案,用来干扰机器的。

∵x2-2x-2=0,∴x2-2x=2,代入4x2-8x+2000,可得4(x2-2x)+2000=4×2+2000=2008.故选D.

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