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1、AWhen we can see well, we dont think about our eyes very often. It is only when we can not see perfectly that we come to see how important our eyes are.People who are nearsighted can only see things that are very close to their eyes. Many people who do a lot of close work, such as writing, reading a
2、nd sewing, become nearsighted. Then they have to wear glasses in order to see distant things clearly.People who are farsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty reading a book unless they hold it at arms length. If they want to do
3、much reading, they must get glasses, too.Other people do not see clearly because their eyes are not exactly the right shape. This, too, can be corrected by glasses. Some peoples eyes become cloudy because of cataracts（白内障）. Long ago these people often became blind. Now, however, it is possible to op
4、erate on the cataracts and remove them.When night falls, colures become fainter to the eyes and finally disappear. After your eyes have grown used to the dark, you can see better if you use the sides of your eyes rather than the centers. Sometimes, after dark, you can see a small thing to one side o
5、f you, which seems to disappear if you turn your head in its direction. This is because when you turn your head, you are looking at the thing too directly. Men on guard duty sometimes think they see something moving to one side of them. When they turn to look straight at it, they cant see it any mor
6、e, and they believe they were mistaken. However, this mistake happens because the center of the eye, which is very sensitive in daylight, is not as sensitive as the sides of the eye after dark.1. We dont know that our eyes are of great importance until _.A. we think about our eyes B. we cannot see c
7、learlyC. we wear glasses D. we have to do much reading2. According to the passage, a _ is more likely to be nearsighted than the average person.A. tailor B. doctor C. guard D. driver3. Those who suffer from cataracts _.A. will become blind B. cant be curedC. may be cured D. must move to other places
8、4. People who are farsighted _.A. cannot do a lot of close work without glassesB. can only see things that are very close to their eyesC. have difficulty reading a book if they hold it at arms lengthD. have the same problem as the nearsighted people5. To see a small thing at night, it is better to l
9、ook _.A. with wide open eyesB. with half-shut or narrow eyesC. straight at it D. in a slightly different direction【参考答案】15 、BACADBMusic ClubMusic lessons(guitar, violin, piano and drums)Time: 8:30 a.m.9:30 a.m. every SundayPrice: Only $ 20 eachAddress: 25 Jiefiang RoadTel: 420-258-1200National ParkR
10、iding horsesBoatingTime: 11:00 a.m.7:00 p.m. every dayPrice: adults $ 15,children (aged 37) $ 8Address: 95 the Fifth AvenueTel: 208-683-3400Art Museum200 famous picturesMore than 300 worksOpening hours:8:00 a.m.6:00 p.m.on weekdaysPrice: adults $ 10,children $ 5.50Address: 120 Xinjin Street, Thermop
11、olis TownTel: 307-867-29971.When can we visit Art Museum?A.11:00 a.m.7:00 p.m. every day. B.8:00 a.m.6:00 p.m. on weekdays.C.8:30 a.m.9:30 a.m. every Sunday. D.8:00 a.m.6:00 p.m. on weekends.2.Where can we go if we want to learn music?A.25 Jiefiang Road. B.95 the Fifth Avenue.C.120 Xinjin Street.D.T
12、hermopolis Town.3.If you, aged 10, and your parents visit National Park, how much should you pay? A.$15. B.$30.C.$38. D.$45.参考答案：1.B2.A3.DC阅读下列短 文，从每小题所给的A、B、C、D四个选项中选出最佳选项。The Undying RobotIn some science fiction films, robots wont die, no matter how hard people fight back. Now science fiction has
13、become science fact. For the first time, scientists have made a robot that can keep on working. Scientists from Cornell University made the robot, which looks like an animal with four legs.Until now, even the most perfect robot is almost certain to break down when it is damaged. That is because its
14、computer inside simply doesnt know how to make the robot work after its shape has changed. To deal with this problem, the scientists put a “brain” into the robot that can read how the robot is working. With it , the computer can then know the robots shape at any moment.“The new technology has develo
15、ped in robot-making,” scientists say. It may someday help scientists create better man-made arms and legs and give new freedom（自由）to people who lose them. It might also help scientists understand how people and animals know their own sense of place in space.“It has been difficult to design robots that can work well when the environment changes or when its damaged,” says Olaf Sporns of Indiana University in the US. “With this work, we are nearer to solving this problem.”( ) 1. It has become a science fact that _. A. the robot looks
