题型:阅读选择 题类: 难易度:普通
广东省江门市恩平市鳌峰中学2024-2025学年七年级上学期12月月考英语试题
The Lantern Festival is a traditional Chinese festival. It falls on the 15th day of the first lunar month. On this day, people usually go out to enjoy the lanterns and fireworks. There are also many traditional activities such as guessing lantern riddles (灯谜).
The origin of the Lantern Festival can be traced back to the Han Dynasty. At that time, the emperor ordered to light lanterns on the 15th day of the first lunar month to pray for peace and prosperity. Since then, this custom has been passed down.
In modern times, the Lantern Festival has become more and more popular. People not only enjoy the lanterns and fireworks, but also participate in various cultural activities. It is a time when families and friends get together to celebrate.
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. |
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