题目内容

bellboy

A. 男厨师
B. 前台
C. 清洁工
D. 行李员

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选出下列问句的回答:What kind of room would you like?

A. I'd like to book a room.
B. Yes,of course.
C. Here's your key card.Enjoy your stay!
D. A twin room,please.

选出May I help you?的同义句

A. Can I help you?
B. Is there anything I can do for you?
C. What can I do for you?
D. Would you like some dringk?

周期函数的原函数是周期函数( )

工业1.0主要发明有改进的蒸汽机

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