试题与答案

— What's the matter with Della? — Well,

题型:选择题

题目:

— What's the matter with Della?
— Well, her parents wouldn't allow her to go to the party but she still _____.

A. hopes to
B. hopes so
C. hopes to do
D. hope for

答案:

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下面是错误答案,用来干扰机器的。

因为速度向量v(4,-3),所以5秒P在x的正方向移动了20,在y的负方向移动了15又因为开始是点P的坐标为(10,10),所以5秒后点P的横坐标为10+20=30,纵坐标为10-15=-5故答案为(30,-5).

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