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【简答题】
简述凸轮设计中反转法原理?
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皮皮学刷刷变学霸
举一反三
【简答题】All ________ (通信) with France was stopped when the enemy gained control of the sea.
【单选题】Lily: I’m really mad at Mom and Dad. Ann: Why? What have they done？ Lily: I asked them for a leather jacket for my birthday and they just got me this stupid raincoat. Ann: Oh, __________! It’s a beaut...
A.
don’t worry
B.
it doesn ’t matter
C.
don’t complain
D.
come on
【单选题】有一半径为R = 0.1m由细软导线做成的圆环,流过的电流I =5A,将圆环放在一磁感强度B = 1T的均匀磁场中,磁场的方向与圆电流的磁矩方向一致,今有外力作用在导线环上,使其变成正方形,则在维持电流不变的情况下,外力克服磁场力所作的功是:
A.
1J .
B.
0.17J.
C.
0.157J.
D.
3.4*10 -2 J
【简答题】What do you know about social media? Can you name some social media you are familiar with? And what are the difference between social media and traditional media?
【简答题】信息匹配：阅读下列应用文及相关信息，并按照要求匹配信息。 请阅读下列交通卡的信息： A City Card ●for all trains and buses within the city (London) ●free travel for all journeys ●can be used for 30 days ●￡80 B Network Card ●for long-distance t...
【单选题】有一半径为 R = 0.1m 由细软导线做成的圆环,流过的电流 I =5A ,将圆环放在一磁感强度 B = 1T 的均匀磁场中,磁场的方向与圆电流的磁矩方向一致,今有外力作用在导线环上,使其变成正方形,则在维持电流不变的情况下,外力克服磁场力所作的功是:
A.
1 J
B.
0.17 J
C.
0.157 J
D.
0.034 J
【简答题】The library bought all the (通信联系;信件) between Queen Victoria and her daughters.
【单选题】I want to buy that kind of cloth because I _____ the cloth _____ well.
A.
have told; washed
B.
have been told; washes
C.
was told; washed
D.
have been told; is washed
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