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【单选题】
由两个构件直接接触而组成的可动的连接称为( )
A.
构件
B.
运动副
C.
运动链
D.
零件
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举一反三
【单选题】The sportsman ________ save a drowning boy that afternoon;  the boy's parents appreciated him very much. [      ]
A.
might
B.
could
C.
was able to
D.
must
【单选题】听力原文:M: What was the weather like when you left London last Tuesday? W: It was very much like the weather here in Beijing. So you needn't take a lot of clothes if you just plan to stay there for a wee...
A.
It is quite cold in London now.
B.
The man is planning to visit London.
C.
The woman will stay in London for a long time.
D.
The woman likes the weather in London very much.
【简答题】再平衡(reba1anting)
【简答题】阅读理解。 My friend Eric is a schoolboy. He is an interesting person and everyone likes him very much. He can speak Chinese, English and Japanese. Why can he speak these languages? Because his father is A...
【单选题】Now telephones are very popular and they are muc h than before.
A.
cheap
B.
cheaper
C.
cheapest
D.
the cheapest
【判断题】公差值可以是正的或负的。
A.
正确
B.
错误
【多选题】使用挥发乙醚或石油醚提取脂肪时,可以用以下哪种加热方式?
A.
电热套
B.
电水浴
C.
电炉
D.
酒精灯
【单选题】The boy the teachers considered _____ was caught ______ in the exam, which surprised us very muc
A.
24. The boy the teachers considered _____ was caught ______ in the exam, which surprised us very much. A.to be the best, cheating
B.
as the best student, to cheat
C.
being the best, cheating
D.
as a good student, to cheat
【单选题】Of the two brothers, Bill is younger one, and he is a quiet boy, _____ that most adults like very much.
A.
a; one
B.
a ; the one
C.
the; one
D.
the ; the one
【简答题】Ships are _____ than planes that people take them mainly for pleasure. A) very much slower B) so much slower C) too much slower D) much more slower
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