Unit 3 Conservation Lesson 2 War on Plastic Packets 学习任务单-2024-2025学年高二英语北师大版（2019）选择性必修第一册

Lesson 2 War on Plastic Packets 预习作业 Task 1 Read and underline the advantages and disadvantages. A lot of things we buy in the supermarket are in plastic packets or boxes. People have got used to buying those products in plastic packets, but have you ever thought about the problem of packaging? For many people, it is convenient to buy food because it makes shopping quicker. Plastic is cheap to produce, which makes it accessible for everyone ; It both benefits businesses and consumers to save money ; It is light so that people can carry it around. Despite its lightness, it’s also very strong to protect the items inside from damage during transportation; Plastic packaging helps keep food fresh for longer by preventing air and bacteria from getting in. This reduces food waste and is a key aspect of food safety ; Many types of plastic can be recycled, which means they can be turned into new products after use. This helps to reduce the amount of waste that goes to landfills. One of the biggest disadvantages of plastic is that it doesn’t break down easily. This means that plastic waste can persist（持续存在） in the environment for hundreds of years, it pollutes our land and oceans, it is really harmful to our environment . If the plastic packaging litter improperly. This poses a threat to wildlife that can mistake it for food; Some plastics can be a risk to our health when they come into contact with food or are exposed to heat . Task 2 Tick For or Against and fill in the blanks below. Homework Write an essay about your view of using plastic packaging, try to give some reasons of your view Tips for structure：(首段：提出论点) (第二段：正反方观点及原因） (尾段：陈述自己的观点和措施建议等) Recently we had a heated discussion on whether we should use plastic packaging. Different students hold different opinions. Some students think that we need to use plastic packaging，because____________________________________.(reason 1) Besides, _____________________________(reason 2). (正方观点和理由)On the contrary, the other students are against the idea. In their opinions, ______________________________(reason 1). What is worse,______________________________.(reason 2) (反方观点和理由) From my point of view, I_________________________________ . We must take some measures to ___________________________. 学科网（北京）股份有限公司 $$