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【判断题】
已知组合回转体截断体的主视图、左视图，判断其俯视图是否正确？【图片】A.
正确
B.
错误
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【简答题】阅读理解。 Children become more generous as they get older, learning the principles of equality by the age of eight. That may not be too surprising to anyone who has kids. Humans are born with a sense of f...
【单选题】My niece has three brothers，all（ ）than she．（ ），John，is an oil worker．
A.
older：The oldest
B.
older；The eldest
C.
elder；The oldest
D.
elder；The old one
【单选题】Young adults ______ older people are more likely to prefer pop songs.
A.
other than
B.
more than
C.
less than
D.
rather than
【简答题】电源模块:缩写为( )
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