自然循环锅炉为何安装省煤器再循环管?如何使用?

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问题:

自然循环锅炉为何安装省煤器再循环管?如何使用?

考点:发电厂集控运行技术考试发电厂集控运行技术考试题库
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基因突变按其发生部位可分为体细胞的突变a和生殖细胞的突变b两种。则[ ]

A.均发生于有丝分裂的间期

B.a发生于有丝分裂的间期,b发生于减数第一次分裂前的间期

C.均发生于减数第一次分裂前的间期

D.a发生于有丝分裂间期,b发生于减数第二次分裂前的间期

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The increase in tuition fees(学费) has led to a “clear drop” in the number of English students applying for university places this autumn. There are 15,000 “missing” applicants this academic year, according to the Independent Commission on Fees. Chairman Will Hutton said: “We’re asking our young men and women to have more debt than any other country in the world — it’s higher than the average debt in the US. It’s not clear whether those lost students this year will return next year, or if it’s a storm warming of a worrying trend.”

But the commission’s report says there does not seem to be an impact on poorer communities. The commission found there was no significant change in the application rate to the key universities, such as Oxford or Cambridge. The decline (下降)in England has not been mirrored in other parts of the UK where fees have not been raised, and the drop can only partly be explained by falling numbers of young people in the population. Students from Scotland attending Scottish universities do not pay fees, while the Welsh Assembly says it will pay fees above £3,465 for Welsh students attending UK institutions.

The average tuition fee at English universities this year is £ 8,385, rising to £ 8,507 next year. UK and EU students have access to govemment-backed loans to pay the fees. And the survey of 1,000 pupils aged 15-18, carried out this April, found that the majority expected to go on to higher education as people continue to understand that university remains a good long term investment in their future.

A spokeswoman at the Department for Business, Innovation and Skills which is responsible for universities, said:“Students shouldn’t be forced to put off going to university for financial reasons. Most students will not have to pay in advance, and no one will have to start paying back their student loan until they start to earn at least £ 2l,000 per year.”

小题1:From the first paragraph, we know that __________________       .

A.it’s a trend that English students are dropping out of school

B.the rising tuition fees have a great effect on English students

C.the lost English students will find their way back

D.many English students are missing the final examinations小题2:Why is there still a drop of applicants though fees have not been raised?

A.Because the students live in poor communities.

B.Because Welsh students will pay fees above£3,465.

C.Because education is free for Scottish students.

D.Because there are less young students in the area.小题3:What’s the students’ attitude to universities in the survey?

A.Most of them are willing to go to university.

B.They feel universities takes up too much time.

C.They will stop applying for university places this autumn.

D.They are anxious to go to a key university.小题4:The spokeswoman in the last paragraph advises students to ______________

A.put off going to university

B.reduce the anxiety about the rising fees

C.pay for the fees in advance

D.pay back their loan soon after graduation

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属于贮带张紧装置组成部分的是()

A.卸载架

B.传动部

C.机尾自移装置

D.游动小车

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下列用人单位中,适用《劳动合同法》的有______。

A.外商投资企业

B.个人独资企业

C.会计师事务所

D.民办非企业单位

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钢材在建筑工程中被广泛使用,是因为其具有良好的技术性质,能承受( )。

A.较大的弹性变形,加工性能好
B.较大的塑性变形,加工性能好
C.较大的弹塑性变形,加工性能好
D.较大的弹性变形,较小的塑性变形,加工性能好

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