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【单选题】
飞轮的作用是( )。A.
贮存和输出机械能
B.
贮存和输出转速
C.
回转件的平衡
D.
加快件的转速
手机使用
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新浪微博
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反馈参考答案：
举一反三
【单选题】There is ______ my iPad. It isn’t working.
A.
something with wrong
B.
something wrong with
C.
wrong with anything
D.
anything wrong with
【简答题】A．Something you don't understand. B．Something old. C．Something mysterious. D．The Egyptian language.
【简答题】珞巴族的人数有( )
【单选题】Some people will never learn that you can't get something for ______. [ ]
A.
something
B.
anything
C.
everything
D.
nothing
【简答题】A．Something you don't understand B．Something old C．Something mysterious D．The Egyptian language
【单选题】There isn't _________ with the computer. [ ]
A.
something wrong
B.
anything wrong
C.
wrong something
D.
nothing wrong
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