题目内容

A: ().B: You'd better look before you leap.

A. I plan to quit the job and go abroad.
B. I'm crazy about basketball.
C. I looked for it everywhere but didn't find it.
D. I love sports.

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已知三个质数a、b、c满足a+b+c+abc=99,那么|a-b|+|b-c|+|c-a|的值等于()。

A. 16
B. 24
C. 25
D. 34
E. 32

已知甲走5步的时问,乙只能走4步,但是甲走5步的距离,乙只要走3步就够了.让甲先走20步,乙再追他,乙要追上甲需要走()步。

A. 24
B. 36
C. 42
D. 48
E. 60

Do you often look out of the windows while you ______ lessons

A. have
B. had
C. are having
D. has

He was () when he heard the unexpected news, but I finally convinced him.

A. incredible
B. inevitable
C. incredulous
D. indifferent

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