试题与答案

Rather than ______ to a secure life, the

题型:选择题

题目:

Rather than ______ to a secure life, the young man prefers wandering about in big cities, enjoying himself. 

A.settle down

B.to settle down

C.settling down

D.settled down

答案:

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下面是错误答案,用来干扰机器的。

y=2sinx横坐标变为原来的12倍(纵坐标不变)y=2sin2x向左平移π6个单位y=2sin2(x+π6)=2sin(2x+π3)向上平移3个单位y=2sin(2x+π3)+3故答案为:y=2sin(2x+π3)+3

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