题干

1972年8月7日,太阳表面突然出现增大、增亮的斑块,使强烈的X射线、紫外线和射电波伴随着大量带电粒子流,连续猛烈轰击地球达一星期之久。在爆发开始后5小时之内,有一股粗16千米,长达7万多千米的带电粒子流,以6500千米/秒的高速闯进地球大气层。顿时,地球上几乎所有飞机和轮船上的磁盘指针都动起来,全世界的电报通信彻底中断,极地上空出现美丽的光带。下列关于太阳活动对地球影响的叙述中正确的是 

A:太阳活动放出的能量是人类直接使用的主要能源

B:资料中所说太阳活动爆发时,发射出的电磁波会引起电离层的扰动,从而导致“磁暴”现象的产生

C:世界上许多地区气温的年际变化与资料中所说的太阳活动有一定的相关性

D:资料中所说太阳活动有时会使地面的无线电短波通讯受到影响

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D

同类题1

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

       It is said that there are about 40,000 different kinds of jobs in the world.____

        “Finding a job”is not the same as“choosing a job”.Many young people end up in a job which they are not suitable for.____.Here are a few steps to help you think  about jobs which you might enjoy doing after school or university.

       First,it is important to realize what kind of person you are,which special qualities make you different from everyone else and what you areinterested in.____. If you likeart and enjoy looking at pictures,that is an interest. But if you can draw a horse that looks like a horse instead of abig dog,thatis a skill.

       Then ask  yourself this question:in the following three areas ­skills with people,skills with information and skills with things ­which are your best skills?

       After examining your skills,the next step is research.To find out as many different kinds of jobs as possible,go to the library and read books,magazines and newspapers.____.

       Finally,trust your own ideas and your ownthinking!____   

A.It is your own life,so find something that you enjoydoing.

B.Choosing the right one itself is adifficult job.

C.We must know what our ideal jobs are.

D.There is a difference between aninterest and a skill.

E.Ask your friends about the work theydo.

F.“Chance”may play a more important partthan“decision”.

G.Your parents may also give you a joboffer.