We are all busy talking about using the Internet, but how many of us know the history of the Internet?
Many people are ___36___ when they find that the Internet was set up in the 1960s. At that time, computers ___37___ large and expensive. Computer networks didn’t work well. If one computer in the network ___38___ down, the whole network stopped. ___39___ a new network system（系统）had to be set up. It should be ___40___ to be used by many different computers. If part of the network was not working, ___41___ could be sent through another part. In this way computer network system would keep on ___42___ all the time.
At first the Internet was only used by the government, but in the early 1970s, universities, hospitals and banks were allowed to use it too. However, computers were still very expensive and the Internet was difficult to use. By the start of the 1990s, computers became cheaper and ___43___ to use. Scientists had also developed software that made “surfing”（浏览）the Internet more convenient.
Today it is easy to get on-line and it is said that millions of people use the Internet every day. ___44___ e-mail is more and more popular among students. The Internet has now become one of ___45___ parts of people’s life.

Teenagers live very busy lives and often forget to think about their diet and exercise. How much do you know about keeping healthy and fit?

Healthy eating along with regular exercise is probably the only way to become fit. Diets are useless in the long term, about 20% of teenagers say they have tried eating less and skipping meals to control their weight. If you eat properly and exercise regularly, you will lose weight, keep fit and feel great.

As a teenager, it is important to give your body energy it needs. If you skip meals, you don’t get enough energy, and then you feel tired. For a healthy diet, you should eat mostly rice, bread, vegetables and fruit.

Exercise is something that can help to make you look good, feel good and be healthy. Teenagers should spend at least 30 minutes exercising, five times a week. It is easy to do! Walking and riding your bike to school, and doing some school sports. If you follow the suggestions above, you will look and feel much better!

1.According to the writer, what is not a proper way to lose weight?

2.The underline word “skipping” means “_________”.

3.Which is the best title for this passage?

 Being safe in your everyday life needs knowledge. If you remember the following information，your life will be much safer.

  ● Always notice the environment around you. You shouldn’t walk alone outside late at night. Make sure where the public phones are. If anything dangerous happens，you can find them easily.

  ●Your bag should be carried towards the front of your body instead of putting it on your back。When a bus is full of people，it is easy enough for a thief to take away the things in the bag on your back.

●If you are followed by someone you don’t know, cross the street and go to the other way, let the person understand that you know he or she is after you. Next，don’t go home at once. You are safer in the street than you are alone in your home or in a lift.

  ●If you have to take a bus to a place far away, try to get to the stop a few minutes earlier before the bus leaves. This stops other people from studying you. On the bus，don’t sit alone. Sit behind the driver or other people. Don’t sleep.

1.Which of the following is NOT safe when you are out?

A. Go home alone late at night.

B. Make sure where the public phones are.

C. Don’t get to the bus stop too early. 

D. Always notice the environment around you.

2.When you are followed by someone on your way home，you should ____ to make yourself safe.

A. run home

B. find a lift and go in

C. turn back and walk towards him or her at once

D. cross the street and go to the other way.

3.When you take a bus alone，it’s safe for you______

A. to sit behind the driver or with other people，but not to sleep 

B. to talk with the driver

C. to call your friends

D. to get off the bus at once

4.What can you learn from the passage?

A. How to notice the environment around you 

B. How to be safe in your everyday life

C. How to cross the street

D. How to use the public phones

Every day，it is easy to see advertisements in English all around us．Look at your own bags and clothes，and at the bags and clothes of your classmates．How many different advertisements can you see which use English words?
Often bags and clothes show the name of the company that made them. This is a popular form．A special picture or symbol called a logo(标识语)is sometimes used．Logos appear on many different products(产品)．They are popular because when you see a logo，it is hard to forget that product or company．
It is common to see advertisements on TV and hear them on the radio．Most advertisements are very short．Sometimes the advertisers use a short sentence which is easy for people to say and remember． Nike，for example，has a simple English sentence which is used all around the world：“Just do it．”Advertisements often use funny situations as well．It is simple to remember it．
All advertisements are designed(设计)to make people buy a product．An advertisement for a soft drink，for example，might show a group of young people who are having fun．The young people are al1 drinking the soft drink．Advertisers are saying to you，“Why don’t you buy this drink and be like these people? You can be young and modern.”
You might think that advertisements are not after you，but the next time you buy a soft drink，ask yourself this question：Why am I buying this particular(特别的)product?
【小题1】From the passage，we know that           ．