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【判断题】
在触电机会较多、危险性较大的场所，局部照明和手提照明(如机床照明)应采用额定电压36V以下的安全灯。()A.
正确
B.
错误
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【简答题】茎上着生叶和腋芽的部位称 。A. 节
【单选题】The car ______ speed as it went down the hill.
A.
increased
B.
won
C.
obtained
D.
gained
【简答题】茎上着生叶和腋芽的位置叫
【简答题】茎上着生叶和腋芽的部位称为()
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【简答题】Fill in each blank with “fit”, “live”, “lift”, “build” or “gain” in the word’s proper form. (选词填空:fit, live, lift, build, gain) 1. He to the age of 80. 2. The house is of bricks. 3. The trousers don’t...
【单选题】A car rounds a curve while maintaining a constant speed. Is there a net force on the car as it rounds the curve?
A.
No—its speed is constant.
B.
Yes.
C.
It depends on the sharpness of the curve and the speed of the car.
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