You should follow the rules of the lab when you are doing experiments．
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You should follow the rules of the lab when you are doing experiments．
试题答案
答案：
解析：你们做实验时，就得遵守实验室的规则。
You should follow the rules of the lab when you are doing experiments．
答案：
解析：你们做实验时，就得遵守实验室的规则。