In my second year of high school, the class was scheduled to run the mile.

When the coach yelled, "Ready.Set.Go!", I rushed out like an airplane, faster than anyone else for the first 20 feet.I made up my mind to finish first.As we came around the first of four laps, there were students all over the track (跑道).By the end of the second lap, many of the students had already stopped.They had given up and were on the ground breathing heavily.As I started the third lap, only a few of my classmates were on the track.By the time I hit the fourth lap, I was alone.Then it hit me that nobody had given up.Instead, everyone had already finished.As I ran that last lap, I cried.And 12 minutes, 42 seconds after starting, I crossed the finishing line.I fell to the ground.I was very upset.

Suddenly my coach ran up to me and picked me up, yelling, "You did it.Mark! You finished, son.You finished" He looked at me straight in the eyes, waving a piece of paper in his hand.It was my goal (目标 ) for the day which I had forgotten.I had given it to him before class. He read it aloud to everyone.It simply said, "I, Mark Brown, will finish the mile run tomorrow, come what may." My heart lifted.My tears went away, and I had a smile on my face as if I had eaten a banana.My classmates clapped.It was then I realized winning isn't always finishing first.Sometimes winning is just finishing.

1.We can learn from the passage that _ .

A.many of Mark's classmates gave up by the end of the second lap

B.it was too difficult for Mark to run the mile

C.Finally Mark was happy because he achieved his goal that day

D.Mark was sad all that day because he ran the slowest.

2.It took Mark to run the mile.

A.about 13 minutes B.more than 13 minutes

C.only 12 minutes D.less than 12 minutes

3.Why did Mark cry when he ran the last lap?

A.Because he was quite happy.

B.Because he was too upset.

C.Because he got a pain in his heart.

D.Because he was hungry.

4.What does the underlined words "it hit me" mean?

A.我突然意识到. B.它打中我

C.它撞到我. D.它打击我.

5.The coach _ __ when he yelled " You did it, Mark!".

A.must be angry with Mark.

B.didn't know Mark's goal for the day

C.ate a banana

D.must be happy and excited

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 which uses satellites to find the user’s position.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.You can hold it in your hand, or put 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 (计算) 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 (精确的).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.there are three parts to the GPS

B.a GPS can’t be put into a watch

C.a GPS can help you start your car

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 infer(推断) from the passage? ______

A.All GPS devices have electronic maps.

B.People in many countries will use the GPS for free.

C.The receiver of the GPS contacts at least five of the satellites.

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

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