搜题
问题   更新时间2023/4/3 12:59:00

Fire can help people in many ways. But it can also be very harmful. Fire can heat water, warm your houses, give light, and cook food. But fire can bum things too. It can burn ms, homes, animals or people, Sometimes big fires can bum forests.
Nobody knows for sure how people began to use fire. But there are many interesting, old stories about the first time a man or woman started a fire. One story fro. m Australia tells about a man very, very long time. ago. He went up to the sun by a rope and brought fire down.
Today people know how to make a fire with matches. Children sometimes like to play with them. But matches can be very dangerous. One match can bum a piece of paper, and then it might bum a house. A small can become a big very fast.
Fires kill many people every year. So you must be very careful with match. You should also learn how to put out fires. Fires need oxygen. Without oxygen they die. There is oxygen in the air. Cover a fire with water, sand, or in an emergency, With your coat or something else. This air away from a fire and kills it. Be careful with fire, and it wi11 help you. Be careless with fire, and it will tram you

1.Which of the following is true? A. We are not sure how people started to use fire. B. It is an Australian who started a fire. C. We know how people began to use fire. D. Nobody knows how to make a fire. 参考答案:A 2.Children mustn't play with matches because A. matches burn paper B. it isn't interesting C. matches can be dangerous D. they don't know how to make a fire with matches 参考答案:C 3.If you are going to put out a fire, you A. must be careful with matches B. ought to know it can be harmful C. have to cover it with water only D. should keep air away from it 参考答案:D 4.We must be careful with fire, or it A. can die B. warms our house C. might bum us D. will help us 参考答案:C 5.What's the main idea of the passage? A. Fire can help people in many ways. B. Fire can be both helpful and harmful. C. Fire can bum things and people. D. We must be careful with matches. 参考答案:B
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