开动脑筋，解读下列词语。

stand for, named after, love doing sth., enjoy doing sth., have a picnic, go down to, hand out, on a farm, moat of, use sth. to do sth., send sth. to sb., by fax, help sb. with sth., go swimming, boarding school, in winter, because of, my elder brother, enjoy oneself, play baseball, after class

The Internet joins millions of computers all over the world, and it’s used by people all over the world. It was invented in the 1960s in the USA. The American government needed a network of computers for its army. Then in the 1970s scientists and businesspeople also wanted to use the Internet to send and receive messages. For some years, they weren’t allowed to use US network, and when they were allowed to, the messages were in very simple text without photos.

The World Wide Web was invented by a British scientist named Tim Berners-Lee in 1989. He wanted to send documents to other scientists. So he developed the World Wide Web. This allowed him to send and receive scientific documents with text, drawings and photos. In the 1990s, more and more people began to use the Internet and the World Wide Web.

So, what’s the difference between Internet and the World Wide Web? The Internet is the hardware .It allows us to communicate with other people. The World Wide Web is the software. It allows us to create , see, and read multimedia documents.

The web is made up of millions of documents called web pages. These pages are held in computers all over the world. Many people have a favourite website with a number of web pages on the same subject.

Email is a way of using your computer to send and receive messages. It’s cheaper and quicker to use email than send normal mail. New users call normal mail “snail mail” because it’s so slow.

It took 50 years for 100 million people to listen to the radio. It took 15 years for 100 million people to watch television. By the year 2000, it had taken only about three years for 100 million people to use the Internet. What will happen next on the Internet?

1.When was the Internet invented?

2.Who made the Internet easier to use?

3.Why is email better than snail mail?

4.According to the passage, which of the following is not true.

5.What’s the best title of the passage?

Time to Dance

    Are you the kind of person who likes to move with music? It's a natural thing to do. Even little children start jumping up and down when they hear music.

    Scientists say that animals dance, too_____1.______ . The "dances" of animals send messages to other animals. But when people dance, they express feelings about life and love, or about these very human experiences.

    Dances are good for you in many ways. For one thing, dancing is good for you physically. It makes your heart work and makes you breathe fast. _____2.______. If you go dancing often, you can keep physically fit. You may feel very tired after dancing, but you’ll probably also feel relaxed and happy. This is another important point about dancing. It gives you a chance to express your feelings and feel better about yourself_____3.______, dancing helps those feelings go away.

  _____4.______ Some dances are for couples and some are for groups. But all kinds of dances give you a chance to meet new people or to do something enjoyable with friends.

A. But their dancing is different

B. And finally, it's a social activity

C. If people like dancing very much

D. If you are angry or upset about something

E. It also makes you use your arms and your legs