防止轴箱发热的方法有哪些?

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问题:

防止轴箱发热的方法有哪些?

考点:钳工技能考试内燃机车钳工技师内燃机车钳工技师题库
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目前,世界上石油储量最大、生产和输出石油最多的地区是 (   )

A.欧洲西部

B.中东

C.东亚

D.北美

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确定站点采用后方交会法时,交会角度小于多少度?()

A、150°

B、180°

C、15°

D、120°

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简述高校心理健康教育课的特点与内容。

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An increase in students applying to study economics at university is being attributed to (归因于)the global economic crisis awakening a public thirst for knowledge about how the financial system works.  

Applications for degree courses beginning this autumn were up by 15% this January, according to UCAS, the Universities and Colleges Admissions Service. A. spokesman for the Royal Economic Society said applications to do economics at A-level were also up.   

Professor john Beath, the president of the society and a leading lecture at St Andrews University, said his first-year lectures-which are open to students from all departments—were drawing crowds of 400, rather than the usual 250.   

“There are a large number of students who are not economics majors, who would like to learn something about it. One of the things I have done this year is to relate my teaching to contemporary events in a way that one hasn’t traditionally done. ” He added.   

University applications rose 7% last year. But there were rises above average in several subjects. Nursing saw a 15% jump, with people’s renewed interest in caters in the pubic sector(部门), which are seen as more secure in economic crisis.   

A. recent study showed almost two thirds of parents believed schools should do more to teach pupils about financial matters, and almost half said their children had asked them what was going on, although a minority of parents felt they did not understand it themselves well enough to explain.   

Zack Hocking, the head of Child Trust Funds, said: “It’s possible that one good thing to arise from the downturn will be a generation that’s financially wiser and better equipped to manage their money through times of economic uncertainty.”  

71. Professor John Beath’s lectures are ______ .  

A. given in a traditional way                 B. connected with the present situation  

C. open to both students and their parents    D. warmly received by economics  

72. Incomes in the public sector are more attractive because of their_____.   

A. greater stability     B. higher pay    C. fewer applications   D. better reputation  

73. in the opinion of most parents ______ .   

A. eccentrics should be the focus of school teaching  

B. more students should be admitted to universities  

C. the teaching of financial matters should be strengthened.   

D. children should solve financial problems themselves   

74. According to Hocking, the global economic crisis might make the youngsters_____ .   

A. wiser in money management  

B. have access to better equipment  

C. confide about their future careers  

D. get jobs in Child Trust Funds  

75. What’s the main idea of the text?  

A. Universities have received more applications.  

B. Economics is attracting an increasing numbers students  

C. college students benefit a lot from economic uncertainty  

D. parents are concerned with children’s subject selection.   

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左膈下脓肿最常见的原因是()

A.阑尾穿孔术后

B.胃切除术后

C.脾切除术后

D.左半结肠切除术后

E.胆囊切除术后

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