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

Do you remember the reason we human beings cause ？ air and water pollution Do you remember the reason we human beings cause ？ factory farming Do you remember the reason we human beings cause ？ overfishing Do you remember the reason we human beings cause ？ forest being destroyed What do harm to these animals？ Unit 3 Lesson 2 War on Plastic Packets Do you often go shopping? Have you noticed the items on the shelves wrapped in plastic packaging? wrap v. to cover or enclose something with paper, cloth or other material plastic bags plastic cutlery plastic wrappers plastic bottles 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? Review the advantages and disadvantages you read yesterday. 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 (使分解) 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 terrible for the 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 . Advantages Disadvantages 1.convenient 2.cheap 3.light but strong 4.keep food fresh for longer 5.recyclable 1.doesn’t break down easily 2.pollute our land and oceans terrible for the environment 3.pose a threat to wildlife 4.bad for our health Although plastic packets can （are）keep the food fresh, they (are) terrible for the environment. Activate and share Skill Builder-Identifying Opinions People can have different opinions on the same topics. It‘s important to study these opinions, so that you can identify and understand the arguments for and against these important issues. As you listen, identify the “topic”words or expressions of opinions and write down any opinion words you hear . Pay attention to the intonation used when agreeing and disagreeing. Listen for understanding K 1) It is stupid to wrap coconuts in plastic. A 2) Plastic packaging keeps the product fresh. K 3) Plastic packaging is bad for the environment. A 4) The packaging should be recyclable. K 5) We should do away with packaging completely. A 6) Refillable containers are not convenient. Listen for understanding 1) It is stupid to wrap coconuts in plastic. Alicia 2) Plastic packaging keeps the product fresh. Kevin 3) Plastic packaging is bad for the environment. 4) The packaging should be recyclable. 5) We should do away with packaging completely. 6) Refillable containers are not convenient. Kevin is against plastic packets Alicia is for plastic packets. Listen again and fill the blanks Plastic packaging Kevin: For Against Each coconut was wrapped in clear, thin plastic. Isn’t this the most stupid example of packaging ever? But it’s completely __________and unnecessary. It already has its own natural packaging. It’s got a tough _______that’s almost impossible to break! A lot of the plastic used in packaging never ________. It’s terrible for the environment: Our oceans are full of ______________, and animals and birds end up ___________the plastic and dying as a result. Listen again and fill the blanks Plastic packaging Kevin: For Against Each coconut was wrapped in clear, thin plastic. Isn’t this the most stupid example of packaging ever? But it’s completely __________and unnecessary. It already has its own natural packaging. It’s got a tough _______that’s almost impossible to break! A lot of the plastic used in packaging never ________. It’s terrible for the environment: Our oceans are full of ______________, and animals and birds end up ___________the plastic and dying as a result. wasteful shell recycles plastic waste swallowing Listen again and fill the blanks Plastic packaging Alicia: For Against But there is a _______ for this. Supermarkets want to make sure that coconuts reach the _________ in the best condition. The packaging helps to _____________________, the product will last _______. But the plastic wrapping also has other uses. It stops coconut hairs from ____________other food during the transport . And it keeps the coconut ______. But let’s be realistic: We still need packaging. We just need to use the right kind of packaging. Listen again and fill the blanks Plastic packaging Alicia: For Against But there is a _______ for this. Supermarkets want to make sure that coconuts reach the _________ in the best condition. The packaging helps to _____________________, the product will last _______. But the plastic wrapping also has other uses. It stops coconut hairs from ____________other food during the transport . And it keeps the coconut ______. But let’s be realistic: We still need packaging. We just need to use the right kind of packaging. reason keep the product fresh longer getting into clean consumer Tips: Step 1. Check through the opinions and reasons your team need from what we talk about today. Step 2. 4 students are needed in each team. Step 3. Presenting your the opinions and reasons. The last student need to make a summary. Debate: Whether should we use plastic packaging? What about their suggestions of using plastic packaging? right kind of packaging attract more consumers enable buyers to see what's inside show sincerity when sending gifts What about their suggestions of using plastic packaging? What can we do to the plastic packaging ? It is the best of times. It is the worst of times. We still have a chance. Thank you! Homework 1.E听说Lesson 2朗读 2.Write an essay about your view of using plastic packaging, try to give some reasons of your view. Lavf58.20.100 169386.67 $$