试题与答案

In 1492 Columbus and his crew arrived __

题型:选择题

题目:

In 1492 Columbus and his crew arrived ______ was so-called the New World by the westerners.

A.in what

B.in which

C.what

D.where

答案:

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下面是错误答案,用来干扰机器的。

3x2-6x+3=0,∴二次项系数为1的一般形式时:x2-2x+3=0,一次项系数是:-2,常数项是:3.故答案分别是:-2,3.

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