关于学习火灾急救知识的英语演讲稿？Recent years have witnessed a marked growth of fire accidents in cities. We often s
关于学习火灾急救知识的英语演讲稿？
What are the causes of fire accidents? Most of the fires are caused by carelessness and violation of fire safety regulations. Other fires are caused by home electrical appliances， because they are of poor quality or because people do not know how to use them properly. Besides， some businesses have focused so much of their atlention on profits that they often ignore fire precautions.
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