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【简答题】
影响给水系统布置的因素有( )、( )和( )。
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皮皮学刷刷变学霸
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【简答题】制造业内部的产业结构规律
【单选题】听力原文：Does anyone here know how to play the piano? (A) I think Mr. Holly does. (B) I don't know who they will hire. (C) I couldn' t hear what the boss was saying. (12)
A.
B.
【单选题】初唐以( )为代表,世称“初唐四家”。
A.
欧阳询、颜真卿、褚遂良、薛稷
B.
欧阳询、虞世南、褚遂良、智永
C.
欧阳询、虞世南、褚遂良、薛稷
D.
欧阳询、虞世南、褚遂良、颜真卿
【单选题】How does radiation in space come into being?
A.
Space is in weightlessness, there is no ozone layer protection
B.
There are other particles in space that produce radiation.
C.
Only there is radiation in space.
D.
We don't know.
【简答题】What does the sentence 'I gave commands; Then all smiles stopped together' mean? How does it reveal the protagonist s personality?
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