采用重叠法生产构件时,应待下层构件的混凝土强度达到()MPa后,方可浇筑上层构件的混凝土。
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The people were tired of reform. crusades; they wanted no part of an idea that might ttirn
A. respite
B. reality
C. mistake
D. cause
听力原文:W:Sir,did you just say you are going to fine me one hundred dollars?
M:Yes,one hundred dollars.Speeding and driving under the influence of alcohol.Well,you can't fool me with that smell of alcohol in your breath.
Q:What does the man imply?
(19)
A. The woman needs to pay him one hundred dollars for his job.
B. The woman has to pay a one-hundred-dollar fine for speeding.
C. The woman has to be fined because of speeding and drunk driving.
D. The woman is a fool.
厂商实现生产要素最优投人的条件是劳动的边际产量等于资本的边际产量。()
A. 正确
B. 错误
从()起北美自由贸易区开始运转。
A. 35916
B. 32509
C. 33945
D. 34335