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- 1. Multiple Choice
Enter the laboratory without teacher’s permission(批准)
Do
Don't
- 2. Multiple Choice
Leave a lighted Bunsen burnerunattended(置之不理).
Do
Don't
- 3. Multiple Choice
Report all accidents(意外) to the teacher at once.
Do
Don't
- 4. Multiple Choice
Tie back long hair and fasten school ties when doing experiments(實驗).
Do
Don't
- 5. Multiple Choice
Wash the affected area with plenty of water if a chemical(化學品) gets onto the skin.
Do
Don't
- 6. Multiple Choice
Wear safety goggles (安全眼鏡) when heating or mixing substances.
Do
Don't
- 7. Multiple Choice
Plug (插) the electric sockets (電掣) with wet hands.
Do
Don't
- 8. Multiple Choice
Pick up(拾起)broken glasses(玻璃碎片) with bare hands(徒手).
Do
Don't
- 9. Multiple Choice
Do experiments without teacher’s permission.
Do
Don't
- 10. Multiple Choice
Smell(鼻嗅) or taste(口嚐) any chemicalsunless the teacher allows us to do so.
Do
Don't
- 11. Multiple Choice
Eat, drink, play or run about in the laboratory.
Do
Don't
- 12. Multiple Choice
Follow the instructions (指示) given by the teacher.
Do
Don't
- 13. Multiple Choice
Keep all exits(出口) and passages(通道) clear.
Do
Don't
- 14. Multiple Choice
Do dangerous experiments inside the fume cupboard(煙櫥).
Do
Don't
- 15. Multiple Choice
Point the mouth of a test tube(試管) towards anyone when heating.
Do
Don't
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