题目内容

-Jack, you’re going for an outing tomorrow.Shall we prepare lunch for you?

-____ I’ve got it ready.

A. That’s a good idea. B. That’s very kind of you.

C. Yes, I’d like to D. No, thanks.

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Imagine the situation. You are driving along a desert or on a mountain. You have no idea where you are. You passed the last house two hours ago. Then your car breaks down. It is night and it is cold. You have no mobile phone. What do you do? Well, next time take a GPS with you. This invention may be able to help you. It is a device (装置) which uses satellites (卫星) to find the user’s position (位置). It can find your position to within 20 metres. A GPS cannot start your car, but at least you will know where you are.

GPS, which means Global Positioning System, is a small radio receiver. It looks like a mobile phone. It is sometimes put into a watch or a telephone. We also find GPS devices in cars, planes, or boats. Some of these devices have electronic maps, so you know where you are. For example, in a city they can tell you the name of the street.

There are three parts to the Global Positioning System. The first part is the receiver. You can hold it in your hand, or have it fixed into your car, plane, etc. The second part is a group of satellites orbiting(环绕…运行) the Earth. The receiver contacts at least four of the satellites and calculates its position. The third part of the system is a network of ground stations. They are all over the world. They control the satellites and make sure they are working well.

Some people think that in the future the GPS will be as common as the mobile. They are becoming cheaper and more and more accurate. Also there will be new uses for the GPS. Perhaps they will become like watches. Everyone will have one and you will never be lost anywhere.

1.GPS can help you find your position, can’t it?

2.What does a GPS look like?

3.How many things are mentioned that GPS devices can be put into?

4.Why do some people think GPS devices will be popular in the future?

5.What is the use of ground stations?

6.What is the author’s purpose of writing this passage?

配对阅读:左栏是五个人的情况介绍, 右栏是七个旅游项目的描述。请为每个人选择最适合参加的旅游项目配对。

1.. Lily has a 7-year-old daughter. She likes Mickey Mouse and Donald Duck very much. The mother would like to take her to an amusement park.

2.. Tandy is a strong man who likes exciting things. He enjoys taking exciting and difficult trips. He will have a two-week holiday next month.

3.. Jim is a businessman. He feels tired and bored these days. He would like to go somewhere peaceful and romantic. He knows English and French and he likes going to foreign countries.

4.. The Blacks live in the city. They would like to relax themselves outside the city. They want to go somewhere with a hot spring.

5.. Ellen is a music lover. She is fond of all kinds of music, especially classical music. She would like to go somewhere to enjoy her favorite music.

A. Beijing Tour: Beijing is a city with a history of 3, 000 years. It is the capital of China. It is in northeast China. In 2008, the 29th Summer Olympic Games were held here.

B. Going to Hot Spring: Hot spring is more and more popular in China. It has been a hot style of tourism for a long time. Many busy people in cities don’t have much time for rest, so to soak in a hot spring becomes a good choice.

C. European Tour: Once you have chosen the European tour, please call us and book your vacation. It will be cheaper than other companies, and we offer the first-rate service! You can also enjoy the delicious food in Europe.

D. Going to Yulan Theatre: Yulan Theatre is a great place to have fun and enjoy the art. You will lose yourself in the wonderful music. You’ll never feel bored. Come here this weekend, and you can enjoy all kinds of music by yourself.

E. Going to Hong Kong Disneyland: The staff will dress as Mickey and other famous characters and perform in the park’s stage shows. It’s such a great fun playing with them.

F. Ship Trip:If you love sea very much and have a long holiday, you can join us. It will take you a month to go on vacation on a ship. You can go to different islands, too.

G. Hiking and Trekking: Hiking and trekking in China may be difficult but exciting. Come with us and discover the natural beauty of China if you are interested in Yunnan. Most of our tours are planned for anybody with good health.

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