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第六节 信息转换
一、信息类
二、规则建议类
1．First, you are not allowed to________any food or drinks to the lab.
2．Second,________run around when you come into the lab.
3．Third, don't________anything in the cupboards or on the shelves.
4．While doing experiments, you must listen to your teachers and________carefully.
5．The reason to obey the rules is that it's very important for your________.
