问题 多项选择题

35kV变压器出厂验收,油中溶解气体分析至少应在如下各时点采样分析()。

A.试验开始前

B.绝缘强度试验后

C.长时间空载试验后

D.温升试验或长时过电流试验开始前、中(每隔4h)、后

E.出厂试验全部完成后

F.发运放油前

答案

参考答案:A, B, E, F

阅读理解
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Product
Item / Price
Description

The Silk Road (Item#CB510)
Price: US$12.99
The Silk Road, with colorful pictures, has information of hot spots, suggested routes with an area map, introduction(介绍) of major cities along the silk road, festivals, hotel, transportation and travel service. Color pictures. 48 pages. English. Click for picture of inside page.

The Sights of Beijing
(Item# CB101)
Price: US$39.99
Detailed(详细的) Beijing tour guide, 684 pages, English. The book includes Beijing introduction and sightseeing, profile of the sights(名胜),places to visit, travel information, scenic spots within one-day journey from Beijing, with pictures.

Talking about China (Item#CB102)
Price: US$12.99
English & Chinese
A Canadian’s experience in China.
CLICK for more information or pictures.
 
小题1:Mr Smith is an American teacher who works in Peking University. How could he get the book The Silk Road?
A.By telephoning the travel agency. B.He could shop online.
C.He could go to the post office to buy it.D.He has to buy it in Xinjiang.
小题2:Which of the following is NOT included in The Silk Road?
A.An area map.
B.Hotel service.
C.Introduction of major cities along the silk road.
D.Introduction of sports along the silk road.
小题3:What does the underlined word “profile” mean?
A.Description. B.Maps.C.Service.D.Price of the tickets.
小题4:Which of the following is NOT true according to the reading?
A.Not all the books are in English.
B.The Sights of Beijing is the most expensive.
C.Talking about China is about a Canadian’s experience in Canada.
D.There’re pictures in all the books.
小题5:If you want to get more information, what can you do?
A.Surf the Internet.B.Write a letter to the writer.
C.Ask the Canadian.D.Buy the books in Canada.
单项选择题