简述引起变压器局部放电的原因？

发布时间：2019-12-11 17:00 │ 来源：www.tikuol.com

题型：问答题简答题

问题：

简述引起变压器局部放电的原因？

考点：电气工程公共基础第三节电动机与变压器第三节电动机与变压器题库

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王叔叔开车从甲地到乙地，以40千米/时的速度行进，下午1点到；以60千米/时的速度行进，上午11点到．如果王叔叔希望中午12点到达乙地，那么行驶速度是______千米/时．

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题型：问答题简答题

腹部手术前常规禁食的时间是( )

A．禁食4h，禁饮2h

B．禁食6h，禁饮2h

C．禁食10h，禁饮3h

D．禁食10h，禁饮4h

E．禁食12h，禁饮4h

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题型：问答题简答题

阅读理解。

                                                     King's College Summer School
    King's College Summer School is an annual (每年的) training program for high school students at all
levels who want to improve their English. Courses are given by the teachers of King' s College and other
colleges in New York. Trips to museums and culture centers are also organized. This year's summer school
will be from July 25 to August 15.
     More information is as follows:

Application (申请) date ●Students in New York should send their applications before July 18, 2007. ●Students of other cities should send their applications before July 16, 2007. ●Foreign students should send their applications before July 10, 2007.	Courses ●English Language Spoken English: 22 hours Reading and Writing: 10 hours ●American History: 16 hours ●American Culture: 16 hours
Steps ●A letter of self-introduction ●A letter of recommendation (推荐) ﹡ The letters should be written in English with all the necessary information.	Cost ●Daily lessons: $200 ●Sports and activities: $100 ●Travels: $200 ●Hotel service: $400 ﹡You may choose to live with your friends or relatives in the same city.

Please write to:
Thompson, Sanders
1026 King' s Street
New York, NY 10016, USA
E-mail: KC-Summer-School@yahoo.com

1. You can most probably read the text in _____.

A. a newspaper
B. a travel guide
C. a textbook
D. a telephone book

2. Which of the following is true about King's College Summer School?

A. Only top students can take part in the program.
B. King' s College Summer School is run every other year.
C. Visits to museums and culture centers are part of the program.
D. Only the teachers of King's College give courses.

3. If you are to live with your relatives in New York, you will have to pay the school _____.

A. $200
B. $400
C. $500
D. $900

4. What information can you get from the text?

A. The program will last two months.
B. You can write to Thompson only in English.
C. As a Chinese student, you can send your application on July 14, 2007.
D. You can get in touch with the school by e-mail or by telephone.

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题型：问答题简答题

甲公司向乙公司购买价值10万元的空调并开出银行承兑汇票。乙公司收到该汇票后，将该汇票作为向个体户丙购买电脑的预付款先行支付。丙收到该张汇票后，将其赠与丁。丁于2003年5月1日持票向银行请求付款，该银行拒绝付款。丁考虑到乙公司效益较好，遂向乙公司行使追索权。请综合分析、回答本案涉及的下列法律问题：

(2005，87)丁的付款请求权得不到实现，( )。

A．可以不按照某银行、丙、乙公司和甲公司的先后顺序行使追索权

B．必须按照某银行、丙、乙公司和甲公司的先后顺序行使追索权

C．在对乙公司进行追索的同时，对丙、某银行和甲公司仍然可以行使追索权

D．在对乙公司进行追索后，对丙、某银行和甲公司就不能行使追索权

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题型：问答题简答题

决策人面临那些偶然发生的、新颖的、性质和结构不明、具有重大影响的问题而作出的决策称为：

A．战略决策
B．非程序化决策
C．零点决策
D．风险型决策

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