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【判断题】
气门传动组的功用是定时驱动气门开启,并保证气门有足够的开度和适当的气门间隙。A.
正确
B.
错误
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【简答题】IV . 单项填空 1 . There’s a man at the reception desk who seems very angry and I think he means __ _ trouble. A . B . to make C . to have made D . having made 2 . The____look on the...
【简答题】一对相互啮合的齿轮,若两轮的材料不同,它们的齿面接触应力是________的,它们的弯曲应力是________的。
【单选题】Directions: The passage is followed by some questions with four choices marked A), B), C) and D). You should decide on the best choice. Questions 1 to 5 are based on the following passage. The phrase ...
A.
It has led to a lot of debate.
B.
It is widely acknowledged.
C.
It is no longer fashionable.
D.
It misrepresents real life.
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