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【单选题】
When you encourage a curious mind like Einstein's, you feed the hunger to explore the and test new theories.A.
unknown
B.
unique
C.
universal
D.
uniform
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【简答题】茎上着生叶和腋芽的部,称 。
【简答题】翻译一下句子: The braking system on a vehicle has
three main functions. It must be able to reduce the speed of the vehicle, when
necessary; it must be able to stop the car in as short a distance as possible...
【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】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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