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【单选题】
ZD6-A型电动转辙机的额定工作电压为（）。A.
150V
B.
160V
C.
180V
D.
220V
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举一反三
【单选题】.---Have you any letters ______, sir? I’m free this time. ---No, but thank you all the same.
A.
to type
B.
to be typed
C.
to be typing
D.
typed
【简答题】手工艺设计阶段的两个重要特点是什么？
【单选题】— — I'm afraid not. But I'll be free this afternoon.
A.
Is there any vacancy in your company?
B.
Do you have the time?
C.
Can you spare me a few minutes now?
【简答题】手工艺设计阶段的两个重要特点是什么？
【单选题】Thanks to the ________ of air transport, everyone is free to go anywhere at any time.
A.
effectiveness
B.
efficiency
C.
efficient
D.
effective
【简答题】手工艺设计阶段的两个重要特点是什么？
【单选题】–Do you have any time this afternoon? --Yes, ___________
A.
I have no time.
B.
I am free.
C.
That’s OK.
【简答题】5 free any I time. don’t have
【简答题】I hope you like my book and please feel free to make any comments and suggestions(翻译)
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