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【单选题】
下列滚动轴承装置中,( )能承受的轴向载荷最大。A.
深沟球轴承
B.
角接触球轴承
C.
园锥滚子轴承
D.
深沟球轴承与推力球轴承的组合结构
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举一反三
【单选题】One machine can do as much work as ______.
A.
40% of the people
B.
4% of the people in the world
C.
40 people
D.
75 000 people
【单选题】Do be there by 9:40 means ___________
A.
9:40之前到
B.
9:40之后到
C.
9:40之前务必要到
D.
9:40之后务必要到
【单选题】How do the additional 40% of the employers feel about the criminal history of their applicants?
A.
They think the criminal history of their applicants is not very important.
B.
They are still interested in whether their applicants have committed crimes or not.
C.
They feel it is risky to do background checks for their applicants.
D.
They are not in favor of asking applicants criminal record on job applications.
【简答题】阅读短文，回答 40～43 题： 第 40 题 How many teaching hours do most of the sch001s haye in the U．S．?
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