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【答案】范文:
Fire
Fire is useful. We can use it to cook food and boil water. We can also use it to keep warm. It is important in our life. At some time, it's dangerous. It can burn our houses and kill people. So we must be careful with it. We should tell the children not to play with fire. When there is fire, we should call 119 immediately and run away fast. We mustn't pack our things, otherwise the fire will kill us.
【解析】
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