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【判断题】
结构的地震反应是一种动力反应,其大小(如振动幅值)不仅与地面运动有关,还与结构动力特性(自振周期、振型和阻尼)有关。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】A．The man cannot graduate from the school. B．The man used to like the course. C．The man doesn't understand the course. D．The man has to take the course.
【简答题】A．The man shouldn't hesitate to take the course. B．The man should talk with the professor first. C．The course isn't open to undergraduates. D．The course will require a lot of reading.
【简答题】How did the man feel about the course?
【单选题】Why is the man worried about the course?
A.
He is starting the course late.
B.
The subject is difficult for him.
C.
The professor is very reserved.
D.
The book is difficult to read.
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