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  3. Fire can help people inManyWays. But it can also be very harmful. Fire can heat

Fire can help people inManyWays. But it can also be very harmful. Fire can heat

游客2025-07-09  1
问题 Fire can help people inManyWays. But it can also be very harmful. Fire can heat (加热)Water,Warm your house, give light, and cook food. But fire can burn things too. It can burn trees, houses, animals, or people. Sometimes big fires can burn forest.
Nobody knows for sure how people began to use fire. But there areMany interesting old stories about the first time aMan orWoman started a fire. One story from Australia tells about aMan a very, very long time ago. HeWent up to the sun by a rope and brought fire down.
Today people know how toMake a fireWithMatches. Children sometimes like to playWith them. ButMatches can be very dangerous.  OneMatch burn a piece, and then itMight burn a house. A small fire can become a big fire very fast.
Fires killMany people every year. So youMust be carefulWithMatches. You should also learn to put out fires. Fires need oxygen (氧).Without oxygen they die. There is oxygen in the air. Cover a fireWithWater, sand, orWith your coat or a blanket. This keeps the air away from a fire and kills it.
Be carefulWith fire, and itWill help you. If you are carelessWith fire, itMight hurt you.
选项 A、kill animals and burn forest
B、Warm house, cook food and so on
C、build bridges
答案 B
解析 文章第一段第二句就点明：“火可以烧水，给房屋供暖，提供光亮，做饭。”故本题答案为B。
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