螺栓群在构件上的排列,应满足 、________和 三方面的要求。
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Do you often leave some thingsin a hotel?
A.behind
B. /
C.off
D.ahead
Where should you check in order to avoid things in a hotel?
A. forgeting
B. forgetted
C. forgetting
D. to forget
A: How would you like to the payment, Ms. Taylor?B: In cash.
A. pay
B. make
C. get
D. change
You needn't to make room-to-room calls by means of goingthe hotel operator.
A. by
B. with
C. to
D. through