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【单选题】
金属材料的弹性是指（）。A.
当外力去掉后仍然恢复原来形状的性质
B.
当外力去掉后产生永久变形
C.
金属材料坚硬程度
D.
载荷作用于金属材料使其产生尺寸和形状的改变
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举一反三
【简答题】流动空气所具有的动能称为____。
【单选题】Choose the best answer to complete each of the following sentences according to the information contained in the listening passage. 1. The philosophy professor began his lesson by_____________.
A.
asking the students to be well seated
B.
playing a game with the students
C.
asking the students to do a test on philosophy
D.
filling a large and empty glass bottle with rocks
【判断题】During his time in Leningrad, Bakhtin shifted his focus away from the philosophy characteristic of his early works and towards the notion of dialogue.After a long time, he began his engagement with th...
A.
正确
B.
错误
【简答题】1) “To bring inspiration and innovation to every athlete in the world. If you have a body, you are an athlete.”(From Nike company) 2) It is impossible for anyone to advance within IKEA without wholly ...
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