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【判断题】
用机械示功器测取P-V示功图用1/5小活塞。 ( )A.
正确
B.
错误
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B.
Those who work part-time in the administration offices.
C.
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D.
Those who will be moving on campus in a few minutes.
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【简答题】The other day at a supermarket, I saw a naughty child of about six crying loudly, falling to the floor and refusing to move. All the while the troubled mother was trying to persuade him to behave well...
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