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【单选题】
在二元连续精馏塔中,回流比一定时,进料热状态参数越小,则塔釜汽化量______。A.
越大
B.
越小
C.
不变
D.
无法确定
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【简答题】茎上着生叶和腋芽的部,称 。
【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()
【简答题】The car speed as it went down the hill.
【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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