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【简答题】
It is concerned with how we handle, move, store materials.
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举一反三
【单选题】 Some of our soldiers________by the enemy during the war.
A.
were hanged
B.
were hung
C.
hanged
D.
were hung up
【判断题】 Entertainers, games and food are helpful to keep people from getting bored during the award show.
A.
正确
B.
错误
【判断题】 The erhu is a kind of violin (fiddle) with two strings which, together with zhonghu, gaohu, sihu, etc, belongs to the "huqin" family. It is said that its origin would be dated up to the Tang Dynasty...
A.
正确
B.
错误
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