There was a noisy ______ at the back of the hall when the speaker began his address.
A. interaction
B. irritation
C. disturbance
D. interruption
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38系列轻钢龙骨适用于吊点距离( )m不上人吊顶。
A. 0.6~0.9
B. 1.2~1.5
C. 0.9~1.2
D. 0.9以下
The travel agency has a full program of ______ , if tourists wish to visit local places of interest.
A. expeditions
B. excursions
C. explorations
D. propositions
进度的控制周期应视项目的规模和特点而定,一般的项目控制周期为( )。
A. 一周
B. 一个月
C. 一个季度
D. 一年
If you want to go to the concert, you'll have to make a ______ , or there will be no tickets.
A. reservation
B. punctuality
C. compliment
D. clarity