20xx生安全知識英文演講稿范文-文庫吧在線文庫
【正文】 to prevent food poisoning. to learn how to protect themselves, take care of themselves, pay attention not to overeating, try eating less food cold.
4, it is necessary to pay attention to sports safety. on physical education and extracurricular activities to prepare before the warmingup, attention should be paid to exercise when not to dramatic collision, so as not to be knocked down or fall.
5, it is necessary to pay attention to internet security. network is a very good learning tool, we can use it to gather information, broaden our horizon. but the network also has a lot of harm, if un
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