Cyberspace being attacked

阅读课文，选出最佳选项。

1. What's the author's attitude towards the growth of cyberspace?

A. Excited. B. Positive C. Pessimissic. D. Uncertain.

2. Some experts aren't optimistic about the future of the cyberspace because ___________.

A. more and more children will enjoy playing computer games

B. terrorists will take control of the Internet for their own use.

C. Some people will commit crimes on the Internet in the future

D. Some other people will attack planes through the Internet

3. It is said in the text that mail service will disappear in the future, for ______________.

A. nobody will post letters through post offices

B. more people will send emails instead of letters

C. mail services are more expensive than emails

D. more people will prefer to make phone calls

4. The third paragraph mainly tells us ____________.

A. what can be done on the future Internet

B. what can be bought on the future Internet

C. what will disappear on the future Internet

D. why people are optimistic about the future Internet

5. Which of the following is TRUE according to the text?