4. connect改为connected 5. clear后加that 6. of 后加the

7. much 改为more 8. as 改为with

We can feel convenient, we can do all kinds of things from the Internet at home, such as buy books, find out about holiday offers, book tickets and so on.

Some traditional things will disappear.

We may live in a virtual world.

Hacker can get into the computers of banks and government so that change data or steal away important information.

Terrorists will attack the world's computers, cause chaos, make planes and trains crash even and cause nuclear war.

Voice your opinion

Do you feel pessimistic or optimistic about the future of the Internet? Why?

IV. Language points

1. In 1983, there were only 200 computers connected to the Internet.

= which were connected to the Internet.

computer 和connect 是被动关系,因此connected to 是过去分词做定语来修饰computer,相当于一个定语从句。

It is surprising that there were 300 gold coins buried underground.

＝which were buried underground.

真是令人惊奇，地下埋了300 枚金币。

There are so many people watching the big fire in the street.

=who watched the big fire in the street.

People 和watching 是主动关系watching 是现在分词做定语表主动来修饰people 相当于定语从句。

2. Some experts are pessimistic about the future.

一些科学家对（计算机主宰的）未来表现出悲观的态度。

be pessimistic/optimistic about 对...悲观/乐观

I'm rather pessimistic about the present situation.

我对目前的局势感到悲观。

3. It is clear that we are going to see a huge growth in shopping on the Internet.