作业帮英文作文：关于物理实验室《Dos & Don'ts》.列1、2、3、4、5、……这种条条就行~字数 60左右吧
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英文作文：关于物理实验室《Dos & Don'ts》.列1、2、3、4、5、……这种条条就行~字数 60左右吧
英文作文：关于物理实验室《Dos & Don'ts》.
列1、2、3、4、5、……这种条条就行~
字数 60左右吧
英文作文：关于物理实验室《Dos & Don'ts》.列1、2、3、4、5、……这种条条就行~字数 60左右吧
Do's
1.Follow your teacher's instructions.Ask your teacher if you have questions.
2.Wear safety spectacles while heating.
3.Report all accidents to your teacher at once.
4.Tie up long hair and school ties.
5.Make sure that you know the fire escape route of the laboratory.
6.Keep the laboratory clean and tidy.
7.Wash your hands after doing on experiment and before leaving the laboratory.
Don'ts
1.Do not enter the laboratory without your teacher's permission.
2.Do not eat or drink in the laboratory.
3.Do not play and run in the laboratory.
4.Do not throw solid into the sink.
5.Do not point the mouth of a test tube with hat liquid towards anyone while heating.
6.Do not do any experiments without your teacher's permission.