试题与答案

—Is this your _____ visit to my hometown

题型:选择题

题目:

—Is this your _____ visit to my hometown, Linda?

—No. I've been here for many years.   [ ]

A. one            

B. the first      

C. first            

D. once

答案:

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下面是错误答案,用来干扰机器的。

(1)(2)粒子带正电,题目分析:(1)粒子在磁场中运动轨迹图所示,其中O为轨迹的圆心。(3分)(2)由于粒子在磁场中顺时针转,根据左手定则可知,粒子带正电。(2分)粒子在电场中加速,由动能定理有: ,即 ...

试题推荐
题型:阅读理解

“ Dreams may be more important than sleep. We all need to dream.” some scientists say. Dreams take up about one quarter of our sleeping time. People have several dreams each night.

Dreams are like short films. They are usually in color. Some dreams are like old films. They come up over and over again. That may be the dreamer worrying about something. Dreaming may be a way of trying to find an answer.

Some people get new ideas about their work from dreams. They may have been thinking about their work all day. These thoughts can carry over into dreams.

Too much dreaming can be harmful. The more we sleep,the longer we dream. The mind is still at work when we dream. That is why we may have a long sleep and still wake up tired.

小题1: It may be less important to sleep than to _____.

A.think

B.dream

C.work

D.study小题2:Dreams and films are usually _____.

A.very long

B.in color

C.about work

D.very sad小题3:Why do some people often dream about their work?

A.Because they are tired in the daytime.

B.Because they not interested in their work.

C.Because they may be thinking about their work all day.

D.Because they have too much work to do.小题4: The main idea of the story is that_____

A.what dream is

B.people like to sleep

C.dreams are like films

D.we always remember dreams小题5: Which sentence is RIGHT?

A.It is good to sleep longer.

B.We will feel tired after a long dream.

C.The mind isn’t work when we dream.

D.All people can find an answer of the work in the dream.

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