高精度螺纹磨床的丝杠螺母传动机构一般采用8级精度。()
高精度螺纹磨床的丝杠螺母传动机构一般采用8级精度。( )
高精度螺纹磨床的丝杠螺母传动机构一般采用8级精度。( )
第1题
When you have difficulties in translating the article, don’t (_______) to ask me.
A. hesitate
B. hesitant
C. hesitance
D. hesitation
第2题
Never hesitate to ask about ____________.
A.that you don' t understand
B.what you don' t understand
C.which you don' t understand
D.what don' t you understand
第3题
If you are in difficulty, don't hesitate to ask______my help.
A.to
B.about
C.from
D.for
第4题
A.link
B.traffic
C.spam
D.website
第5题
Don't hesitate to do it because what you do ____________ (对我没有很大关系).
第6题
If you get into difficulties, don ’t hesitate to ask _____ advice
B.of
C.out
D.after
E.for
第7题
— Excuse me,
— Yes, it's 8633-2788. If you have any other questions, don't hesitate to ask.
A、Why my telephone doesn’t work?
B、When shall we have lunch?
C、could you please tell me what's the telephone number on my desk?
第9题
a. If you need any help, please don’t hesitate to ask me.
b.____________________________
A、Thank you, I will.
B、Oh, I won’t do that.
C、I don’t think I will need any help.
D、It’s none of your business.
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