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________.