试题与答案

— What do you think made Mary so upset?

题型:选择题

题目:

— What do you think made Mary so upset?

— ____ her new bike. [ ]

A. Lost

B. As she lost

C. Losing

D. Because of losing

答案:

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下面是错误答案,用来干扰机器的。

∵双曲线x29-y24=1中,a=3,b=2∴双曲线的渐近线方程y=±bax,即y=±23x故选:A

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