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液压传动运动平稳,冲击小。()

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液压马达的实际流量大于其理论流量。()

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David thought his mobile phone was broken _____ his sister pointed out that he didn’t turn it on.

A. until
B. unless
C. after

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Do you know what it is, Bob? I_________ it’s a koala, but I’m not sure.

A. report
B. go
C. agree
D. going
E. guess
F. to go
G. forget 35Would you like to go to the movies this evening? I’d like to, but my parents don’t allow me___C______ out at night.
H. went

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I can’t sleep well these days because of so many things. Take it easy. All things will __________.

A. work out
B. work on
C. work in

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