Imagine the situation. You are driving a car along a desert or on a mountain. You have no idea        you are. You passed the last house two hours ago. Then your       breaks down. It is night and it is cold. You have no mobile phone. What do you do? Well, next time take a        with you. This invention may be able to help you. It is a device(装置) which uses satellites 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         where you are.

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

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

Some people think that in the future the GPS will be as        as the mobile. They are becoming       and more and more accurate(精确的). There are also new uses for the GPS. Perhaps they will become like       . Everyone will have one and you will never be lost again.

1.A.where                 B. what               C. who                  D. how

2.A.ship                B. car           C. train                  D. plane

3.A.watch         B. ring         C. clock                 D.GPS

4.A.advise                  B. know              C. represent             D. speak

5.A.radio          B. TV           C. robot                D. machine

6.A.room          B. office               C. road                  D. mobile phone

7.A.parts               B. maps                 C. video                D. music

8.A.studio         B. teenager     C. bus                  D. street

9.A. five            B. four                 C. three                D. two

10.A. sender             B. receiver      C. Internet      D. system

11.A.and               B. then         C. but           D. or

12.A.control              B. achieve       C. allow               D. imagine

13.A.expensive              B. special           C. new                  D. common

14.A. cheaper           B. easier              C. more expensive       D. bigger

15.A.computers             B. robots            C. satellites      D. watches

口语运用

A、根据对话及方框中的选项补全对话。

Michael: Hey, John.

John: Hi, Michael.

Michael:    1    

John: Reading a book.

Michael: Do you want to come over to my house?   2   

John: OK. Where is your house?

Michael:    3    It’s a quiet street off Fifth Avenue.

John: Oh, OK. I know where that is.   4     

Michael: Yes. There’s a small supermarket on the street.    5   

John: OK, I’ll see you at two-thirty.

1-5 ___________________

B、对话排序 (5分)

你在这个城市，但对此城市不太熟悉，一天你一个人想去公园玩，但你又必须先到旅馆去看一位你的好朋友，然后出来后再去银行取一些钱，最后才去公园。对话中的A表示你，B是警察，请根据下列图示及句子，把下列句子排列成一段通顺的对话。

1. A: Excuse me. Can you tell me the way to the park?

2. B: Oh, I see. You can go straight and turn right on the first crossing, you’ll find a white building(建筑物). That’s the hotel.

3. A: How can I get to the bank after I go out of the hotel?

4. B: Oh, it is in the east(东面)of the city. You can go …

5. A: I’m sorry, I may tell you that before(在…..以前)I get to the park, I’ll have to go to the hotel to see my good friend, and then I’ll go to the bank to get some money.

6. B: That’s not difficult. After walking out of the hotel, please turn left and walk about 100 m. You will get to Fifth Avenue. Then turn right and the bank is on the right.

7: A: OK. Thanks a lot.

8. B: No, very near. Going out of the bank, you go back to the Fifth Avenue. Turn left and go straight, there is a park on the left.

9. A: Is the bank far(远) from the park?

正确顺序：___ 4___ ___ ___ ___ ___ ___ ___