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I was out of town at that time, so I didn't know exactly_____.

A. what it was happening B. how it happened

C. what to happen D. how did it happen

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Imagine the situation. You are driving alone in 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(裝置) which uses satellites to find the users’ position. It can find your position within 20 metres. A GPS cannot start your car, but at least you will know where you are.

The GPS, which means the Global Positioning System, is a small radio receiver. It looks like a mobile phone. You can hold it in your hand, or put it in your pocket. 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 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 phone. They are becoming cheaper and more and more accurate. There are also new uses for the GPS. Perhaps they will become like watches. Everyone will have one and you will never be lost again.

1.According to the passage, with the help of the GPS, people ____________.

A. can’t be lost in a new city

B. can’t find their way in different countries

C. can learn about the culture of an unknown place

D. can spend the least time getting to another place

2.We can learn from the passage that __________.

A. a GPS can help you start your car

B. a GPS can’t be put into a watch

C. there are three parts to the GPS

D. the GPS are becoming more and more expensive

3.The underlined word “They” in paragraph 3 means ___________.

A. Receivers B. GPS devices

C. Satellites D. Ground stations

4.The passage is mainly about __________.

A. the history of the GPS B. the introduction of the GPS

C. the shape of the GPS D. the three parts of the GPS

5.What can we learn from the passage?

A. All GPS devices have electronic maps.

B. The GPS can not only start your car but also know where you are.

C. The receiver of the GPS contacts all the satellite to calculate its position.

D. The GPS will become more and more common in everyday life.

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科目:初中英語 來源:2015年初中畢業(yè)升學考試(廣西貴港卷)英語(解析版) 題型:單詞拼寫

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根據(jù)句子中所給的單詞首字母或中文提示,填寫正確的單詞。

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I had the unkindest mother in the whole world.While other kids ate candy for breakfast.I had to have cereal(谷物)and eggs.When others had Cokes and candy for lunch,I had to eat a sandwich.But at least I wasn’t alone.My sister and two brothers had the same unkind mother as I did.

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B.The writer,s mother liked her best.

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