单选题The new tax law supersedes, or replaces, the law that was in effect last year. —Which of the following is the closest in meaning to the word "supersede" ?

单选题Everyone knows that smoking is no good for health, but still more and more people begin to smoke. At present 38% of the Chinese population(人口) smoke and millions of smokers die from smoking each year. Most of the smokers are men. But problem is that more and more women begin to smoke. The number of smokers is becoming larger and larger every day. Every year the government (政府，管理) has to spend lots of money looking after the people with illness(病,疾病) caused by smoking, and it has to pay lots of money for the great loss (损失) in the fire caused by smoking. The government wants people to give up smoking, but the tobacco (烟草,烟草制品) companies want to encourage more young people to start smoking because they want to make more money from tobacco sales. Why do many smokers find it hard to give up smoking? The problem with tobacco is that it contains a drug (药,毒品) called nicotine (尼古丁). It is the nicotine that gets them into the habit (习惯,性) of smoking and makes them find it hard to stop.

单选题New York, London, Paris and other big cities are exciting places to live in. There are (41) interesting things to see and to do. You can go to (42) kinds of museums, plays and films. You can also (43) things from all over the world. But there are serious problems in big cities, (44) . It's (45) to live there, and there are too many people in some places of big cities. Every year many people move to the cities, because they can (46) find jobs, to study at good schools and to receive good medical care there. But (47) these people cannot find work or a good place to live in. Also too many people in a small (48) makes it hard to keep cities (49) and clean. Some people enjoy living in big cities, others do not. (50) people move to a big city, they should think about the problems of living there.

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单选题He stopped talking and began ______. A. to eat B. eat C. ate

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单选题______ Great Wall is ______ longest wall in the world.

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单选题Who was the first one ______?

单选题The knife is made __________ metal and wood.

单选题Bill likes football very much, and he often goes to watch matches in our (1) on Sundays. He doesn't get the best seats, (2) they are very (3) and he doesn't see his friends there. There was a big football match in our town last Sunday. (4) , it was very cold and cloudy, but then the sun (5) , and it was very hot. There were a lot of people on benches (6) Bill at the match. Bill was on one bench, and there was a fat man on a bench (7) him. At first the fat man felt cold, (8) then he felt very hot. He took his coat off and put it in front of him, but it fell on Bill's head. Bill was not angry. He took the coat (9) his head, looked at it and then laughed and said, "Thank you ...but (10) are the trousers?/

单选题What is the man looking for?

单选题--How can I get there?--You can get there ______ bike.

单选题I went to ______ for dinner yesterday. A. my aunt B. my aunt's C. my aunt home