问题 问答题 简答题

装置共有哪几种起动方式?

答案

参考答案:

快切装置共有三种起动方式,即正常切换方式,事故切换方式及不正常切换方式(包含低压启动及工作开关误跳起动),其中正常切换为双向,可以由工作切换到备用,也可由备用切换到工作。

阅读理解

What’s your favorite cartoon? It may be difficult for you to decide. But for pianist Lang Lang, Tom and Jerry is the best one.

When Lang was two years old, he saw Tom play the piano. This was his first time to enjoy western music and this experience encouraged him to learn to play the piano.

His talent at the keyboard has taken him from Shenyang to the world. Lang became a good piano student at three. Ever since, the boy has been doing better and better. In 1997, the 15-year-old boy studied at a famous American music college.

Lang’s performances are energetic. He is well-known for making facial (面部的)expressions and moving around while playing the piano.

The road to success has never been easy. Lang’s father stopped his job to look after him, while his mother stayed in Shenyang to make money. But Lang thinks himself lucky and believes he should give something back. He has helped the children in poor areas a lot.

小题1:What made Langlang first enjoy western music?

A.When he played the piano at three.

B.When he saw Tom play the piano at two.

C.When he listened to the western music on the radio.

D.When his father taught him to read music.小题2:How old was Langlang when he became a student of a famous American music college?

A.two

B.three

C.five

D.fifteen小题3:What is Langlang famous for?

A.He is famous for playing the guitar.

B.He is famous for singing

C.He is famous for writing music.

D.He is famous for making facial (面部的)expressions and moving around while playing the piano.小题4:Why did Langlang’s mother stay in Shenyang?

A.Because she liked Shenyang, she didn’t want to leave.

B.Because she had to look after Langlang’s grandparents.

C.Because she had to make money to pay for Langlang’s education.

D.Because she didn’t love her son.小题5: From the passage, we can say it _______ Langlang and his parents a lot of time to get success.

A.spent

B.paid

C.took

D.cost

单项选择题