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【判断题】
对齿轮传动的基本要求是传动平稳和承载能力要大。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】"Legend has it" usually means( ).
A.
there is a popular belief people hold and not necessarily true
B.
It has been recorded as a historical fact
C.
According to historical records
D.
It is widely believed
【单选题】(2017重庆B卷) ______bad day! It's raining hard. We have to stay at home.
A.
How a
B.
What a
C.
How
D.
What
【简答题】He is a living legend, an encyclopedia of Quebec traditional songs and has a major in______ on the new generation of young singers.
【简答题】我国第一部医学典籍是 ,成书于战国至秦汉时期,全面总结了秦汉以前的医学成就。
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