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【单选题】
河流花样和舌状花样是( )断裂断口的微观特征。A.
解理
B.
微聚集
C.
纯剪切
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皮皮学刷刷变学霸
举一反三
【单选题】In Thailand, you shouldn't ________. [ ]
A.
go out with your hair wet
B.
point to anything with your foot
C.
touch a child on the head
D.
eat with your left hand
【单选题】听力原文：M: Hold the body of the camera with your right hand, and the lens with your left. W: OK. The view is blurry. How do I focus the camera? M: Turn the ring in the lens in one direction until whateve...
A.
How to clean a camera
B.
How to buy a camera
C.
How to store a camera
D.
How to use a camera
【简答题】板中通常布置三种钢筋:()、()和()
【简答题】根据第一单元第2课时的二极管的伏安特性曲线回答: 加正向电压时有两个伏安特性曲线:虚线表示的是 二极管,实线表示的是 二极管。
【单选题】Mr. Smith is still not so familiar with the city because it was only two months ago, in March, ____ he started working here. [ ]
A.
before
B.
when
C.
that
D.
which
【判断题】Four years later, the professor is still teaching, and he is here to tell students that the business of the college is not only to train them, but to put them in touch with what the best human minds h...
A.
正确
B.
错误
【单选题】光敏电阻、发光二极管和驻极体话筒三种元件中,有正负极性的元件是( )。
A.
光敏电阻
B.
光敏电阻、发光二极管和驻极体话筒
C.
发光二极管和驻极体话筒
D.
都没有
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