题目内容
一台设计压力为10MPa的200m3氮气球罐，按照《压力容器安全技术监察规程》的要求，其压力容器类别应划分为()。
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At Cambridge, Open Days are arranged to help you to experience the atmosphere and see the facilities in a College. Admissions and teaching staff will be there to answer any questions about educational matters, your qualifications, life in a college and so on. This would be the moment to discuss your school courses, if they are in any way different from conventional academic A-levels. If you cannot come on an Open Day, an informal visit to a college can often be arranged, by contacting the Admissions Office well beforehand.
Cambridge graduates traditionally go into a very wide range of occupations. Usually over a quarter will continue with some further study, either for a higher degree or for a vocational(职业的) qualification.
The Cambridge University is the place ______.
听力原文：W: Good morning, I am calling to inquire about your book shelves.
M: Yes, what would you like to know？
W: Well, I'd like to check the size first.
M: The standard point is 3.2 meters wide, 1.8 meters tall and 30 centimeters deep.
W: Thanks. That is the dimensions I need.' How about the colors？
M: We have 4 colors, white, black, brown and grey.
W: I think brown is OK, what about the charge of the delivery？
M: Well it depends on how far you are from our factory？
W: We are about 5 miles from your factory.
M: I see. That is our free delivery area.
(18)
某企业购入需要安装的设备一台，价款20 000元，增值税3 400元，并投入安装，安装中领用生产用原材料实际成本为2 000元，领用自产库存商品，实际成本1 800元，售价为2 500元，安装完毕达到预定可使用状态。本企业为一般纳税人，适用增值税率17%.，在不考虑所得税情况下，固定资产入账价值为28 325元。 ()
天然气集输管线放空时，易发生操作事故，下列操作方法，正确的是()。
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