在实际工程中,单纯受扭矩作用的钢筋混凝土构件很少,大多数情况下都是处于弯矩、剪力和扭矩共同作用下的复合受力状态。( )
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雨蓬构件的内扭矩是用以平衡其外扭矩,它满足静力平衡条件,这种扭矩叫做协调扭矩。( )
A. 对
B. 错
现代主义和现代性是完全相同的两个概念。()
A. 对
B. 错
If I hadn't been lucky enough to meet you. I really _____ what I would have done.
A. don't know
B. hadn't known
C. wasn't knowing
It is hard for me to imagine what I would be doing today if I ____ in love, at the age of seven, with the Melinda Cox Library in my hometown.
A. Wouldn't have fallen
B. had not fallen
C. should fall