题型:阅读选择 题类: 难易度:普通
广东省广州市绿翠现代实验学校2024-2025学年九年级上学期10月月考英语试题
Lab Safety Rules Science labs offer great opportunities for learning, teaching, and research. They also pose hazards that require proper safety precautions. Stay safe when conducting your labs by following these guidelines. |
Dress appropriately Tie back long hair, and wear suitable gloves, googles, and other protective equipment. | Proper supervision Don't perform lab experiments without instructor supervision(unless given permission to do so). | ||||
| Know location of emergency numbers & safety equipment Know the location of safety equipment and emergency phone numbers (such as poison control) so you can access them quickly if necessary. | |||||
No food Don't eat or drink in the lab and never taste chemicals. | ID hazards Identify hazardous materials before beginning labs. | Be attentive Be attentive while in the lab. Don't leave lit Bunsen burners unattended or leave an experiment in progress. | ||||
Be careful when handling hot glassware Turn off all heating appliances when not in use. Keep flammable your workspace. |
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Keep a clean workspace Don't obstruct work areas, floors, or exits. Keep coats, bags and other personal items stored in designated areas away from the lab. Don't block sink drains with debris. | Handle glassware carefully Properly dispose of anything that breaks. Report cuts, spills and broken glass to your instructor immediately |
Clean up After completing the lab, carefully clean your workspace and the equipment, and wash your hands. |
Do you have good friends? What kind of friends do you like to make? Some students are sharing their opinions with us.
Tom Although we are quite different, Alan and I have been close friends for 5 years. We have a lot to talk. We often play basketball together after school and go for a picnic on weekends. It's always a pleasure to be with him. | Li Hong I spend my free time mostly with people from western countries. When I'm with them,I really get to know what they' re like and how easy they are to get along with. They help me to improve my English quickly. |
Lisa I often make some good friends at the gym I go to. People there are very friendly. Talking to them as I take exercise is a good way for us to get to know each other. | Peter I can make more friends on the Internet because it keeps me in touch with the whole world. I can get worldwide stories from my friends all over the world. |
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