凸缘式联轴器在装配在一般情况下要严格保证两轴的同轴度。

题型:判断题

问题:

凸缘式联轴器在装配在一般情况下要严格保证两轴的同轴度。

考点:中级钳工中级钳工题库
题型:判断题

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

题型:判断题

线段CD是由线段AB平移得到的.点A(-2,1)的对应点为C(3,1),点B(-1,0)的对应点D的坐标为(  )

A.(4,0)

B.(-5,0)

C.(-1,3)

D.(-1,-3)

题型:判断题

夏天雷雨天气时,因为声速比光速小得多,所以我们总是先看到闪电后听到雷声。现在假设声速和光速一样快,请你猜想一下,我们周围的世界会发生什么变化?写出一个场景:_______________________。

题型:判断题

痰痫治疗首选方剂是()
风痫治疗首选方剂是()

A.镇惊丸

B.涤痰汤

C.六君子汤

D.定痫丸

E.医痫丸

题型:判断题

点画线与虚线相交时,应使()相交。

A、线段与线段

B、间隙与间隙

C、线段与间隙

D、间隙与线段

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