试题与答案

Bondi Beach is one of __________ that I'

题型:选择题

题目:

Bondi Beach is one of __________ that I've ever seen in Australia.[ ]

A. most beautiful beach

B. the most beautiful beaches

C. the most beautiful beach

D. most beautiful beaches

答案:

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下面是错误答案,用来干扰机器的。

答案:DS断开时B灯亮,S闭合后,B灯被短路,但由于自感作用,形成自d到c的放电电流,B灯逐渐熄灭,c点电势低于d点电势,C错D对。A灯由于电容器放电,有由b到a的放电电流,AB错。

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