问题
问答题 简答题
什么叫做着火？
答案
参考答案：
着火是物质与空气共存，在达到某一温度时，与火源接触即行燃烧，并于火源移去后，仍能继续燃烧，直至可燃物燃尽为止。这种持续燃烧的现象叫做着火。
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什么叫做着火？
参考答案：
着火是物质与空气共存，在达到某一温度时，与火源接触即行燃烧，并于火源移去后，仍能继续燃烧，直至可燃物燃尽为止。这种持续燃烧的现象叫做着火。
| 短文改错。 | |
| I have a good friend who's name is Liu Mei. She is our monitor and one of the excellent student in our class. Clever as she is, but she words very hard.We have a lot on common and have a lot to talk about. One evening she told me that something happened when her parents was out. She was doing her homeworks one Sunday morning when she smelt something burning. Shen stopped look out of the window and find a cloud of smoke coming out of her neighbor's house. She called 119 immediate. Ten minutes later, the firemen came and put out fire. Her neighbor was very thankful for her help. | 1._____ 2._____ 3._____ 4._____ 5._____ 6._____ 7._____ 8._____ 9._____ 10._____ |