问题 问答题 简答题

10KV开关的操作步骤?

答案

参考答案:

1.拉开开关的接地刀闸2.将开关的升降车与开关柜联结好3.将锁定机构拉向中间将开关手车平稳的推至试验位置,并锁定4.插好开关的二次插头,检查保护正确投入后,合上开关控制电源将手车摇至工作位置5.合上开关合闸电源,检查储能完毕

阅读理解

阅读理解。

     Barack Hussein Obama has made history by becoming the first African-American president in American

history.

     Barack Obama was born in Hawaii on August 4,1961. His parents separated (分开) when he was two

years old and later divorced (离婚). Obama grew up with his mother in Hawaii,and for a few years in

Indonesia. Later, he moved to New York,where he graduated from Columbia University in 1983. Obama met

his wife, Michelle Robinson,in June 1989 and married her on October 3, 1992. The couple's first daughter,

Malia Ann, was bom in 1998, followed by a second daughter, Natasha ("Sasha"), in 2001.

     Obama's success is a true milestone (里程碑) . It speaks to the fact that in America you really do get a

chance to do anything, if you have the talent and ability and you work hard enough.

     Obama will not take office until 20 January, 2009. However, when he does become president, he will

face many serious challenges, including two foreign wars,climate change and what he has described as "the

worst financial crisis (经济危机) in a century". But Obama himself is ready to face these challenges.

1. How old is Barack Obama when he becomes American president?

A. 48.

B. 40.

C. 37.

D. 31.

2. Obama's success tells us that ______.

A. any black people can become president

B. you can succeed if you are talented enough

C. everyone can succeed if he is lucky enough

D. a talented person can succeed if he works hard enough

3. What does the underlined phrase "take office " in the last paragraph mean?

A. 生效

B. 就任

C. 离职

D. 竞选

4. According to the passage, Obama will face the following challenges except ______.

A. climate change

B. financial crisis

C. population problem

D. foreign wars

5. The whole passage is mainly about Obama's ______.

A. childhood

B. family

C. education

D. experience

选择题