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17. There is nobody in the room,________? A. isn’t it B. isn’t there C. is there D. is it 18. —Must I come at four o’clock?—Oh, no, you A. mustn’t B. don’t C. can’t D. don’t have to 19. There are about two ________ students in the new-built school. A. thousand B. thousands C. thousands of D. thousand of 20. He looks upset. He doesn’t know ________. A. what to do it B. how to do it C. how to do D. do what 三.阅读理解。(40分) A Robots seem very new to most people. But they have a long history. The first one was made by a Greek inventor. You may have seen robots in some films. The robots in these films are stronger, faster and cleverer than people. In real life, most robots are used in factories. They are used to do many dangerous, difficult or boring jobs. Some people can’t look after themselves and robots are used to help them. For example, some people can’t see. Many of these people use a dog to help themselves move around. This dog is called a guide dog. Scientists are making a robot to help them. In the future, robot dogs might take the place of these guide dogs. Robots are also used in American hospitals. At one hospital, a robot takes from the kitchen to the sick people’s rooms. It never loses its way because it has a map of the hospital in its computer system. 根据短文内容，判断下列句子正误。正确的用“A”表示，不正确的用“B”表示。 21. The first robot was invented by a Greek. 22. Robots can only be seen in films. 23. Robots can help some people look after themselves. 24. Today’s robots have few uses. 25. A robot cooks meals for the sick people at an American hospital. B Thanksgiving Day is really a harvest festival. This is why it is celebrated in late fall, after the crops are in. But one of the first thanksgivings in America had nothing to do with a good harvest. On December 4, 1619, the Pilgrims from England landed near what is now Charles City, Virginia. They knelt down and thanked God for their safe journey across the Atlantic. The first New England Thanksgiving did celebrate a rich harvest. The Pilgrims landed at what is now Plymouth, Massachusetts, in 1620. They had a difficult time and the first winter was cruel. Many of the Pilgrims died. But the next year, they had a good harvest. So Govemor Bradford declared a three-day feast. The Pilgrims invited Indian friends to join them (责任编辑：admin) |