问题 单项选择题

在分配系统的构成中不可能包括的部分是()

A.延长放大器

B.调制器

C.分支器

D.电缆

答案

参考答案:B

阅读理解

阅读理解。

     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。

      ●   1   With the invention of the Internet several decades ago, do you feel that since then it has made

us human beings feel more connected to the world and one another, or has it isolated (使孤立) us and

made us feel more alone than ever before?

    What about you as an individual?

    ●    2   The Internet enables us to know what's happening in the world. We couldn't imagine talking to

people everywhere in the world twenty years ago.

     ●    3    It unites us because we talk to others from all around our country and the world, but the

Internet can be addicting, and keep us away from people for a while, There is an inherent (内在的) human need for direct human contact (e.g. touching, talking face to face, etc.) that the Internet has all taken away.

     ●     4     It has given me freedom beyond my imagination. I'm home-bound with many duties to attend

to. My life is a bit too crowded. Duties duties duties. I get lost many times not knowing who I really am!

This medium is my best friend. It just lets me BE!I can speak here without fear or favour.

     ●   5   Chatting online is completely different from hanging out with friends outside or hearing their

voice over the phone.I find that it's not just the Internet that has increased this sense of isolation, even iPods,MP3s, such devices kind of separate us, make us lose focus on the everyday happenings of life.       

A. I think that the Internet isolates as well as unites us.

B. I believe it unites us more than it isolates us.

C. Do you feel that the Internet unites us or isolates us?

D. What is happening in the world today?

E. The Internet is playing a more and more important role.

F. I think it has isolated us more.

G. I am truly grateful for this new technology.

单项选择题