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【简答题】
刚性万向节按其速度特性可分为不等速、准等角速和____万向节。
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皮皮学刷刷变学霸
举一反三
【单选题】The first Car Free Day in the world was started in ______ ?
A.
America
B.
France
C.
China
D.
Japan
【单选题】“An independent technician” in the first sentence of the second paragraph means
A.
A technician who checks a car free of charge．
B.
A technician who learned his trade all by himself．
C.
A technician who works f10r a particular car-dealer．
D.
A technician wh0 runs his own inspection service．
【多选题】关于非阵发性室性心动过速的叙述,下列哪些是错误的
【单选题】听力原文：M: If you take the fancy model, we'll throw in the first tank of gas free. W: You've talked us into it. Where do I sign? Q: What does 'it' refer to? (18)
A.
Renting a car.
B.
Making a model.
C.
Filling tank.
D.
Signing a paper.
【单选题】Which of the following is not the extraordinary thing Gruen got for the first time?
A.
Sloping road around the perimeter of the mall.
B.
Free shipping services.
C.
Low balconies of the shops.
D.
Animal signs in car park.
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