Unit2 Saving the earth Topic3 Section A 课件 2024-2025学年仁爱科普版九年级英语上册

nullnull Topic 3 What can we do to protect the environment？ 【Unit2 Saving the earth】 仁爱科普版九年级上册英语课件 SectionA 听说优质课 1 Learning objectives After learning the lesson, we can: 01 02 03 04 Learn some core words and expressions of the text; Use the compound sentences with or, and, but and while. Learn sentence patterns for giving advice. Talk about environmental protection. What can you see in the picture? environmental pollution Lead in What kind of pollution? air pollution light pollution litter pollution water pollution soil pollution noise pollution What can we do to protect the environment? Garbage collection Put litter into dustbin Riding a bicycle to school Plant trees Pre-listening Think and answer What can we do at home to protect the environment? We should reduce the waste we produce. For example, we should use both sides of paper and reuse plastic bags. Pre-listening Listen to 1a again and answer the questions. (1) Who is working for an organization that protects the environment? (2) Should we use both sides of paper? (3) Why is the recycling useful? Jane. Yes, we should. Because it can protect the environment, and it can save money, too. While-listening 1b Listen to 1a and complete the table. An interview with Jane where Jane works in an ________________ to ______________________ what Jane is doing helping ____________________ about protecting the environment what we can do at home ________________ we produce what students can do at school collect __________ and soft drink cans organization protect the environment spread the message reduce the waste waste paper While-listening 1c Read 1a and complete the sentences. The three R’s ---______, ______ and _______ --- are important. At home, we can, for example, use both ______ of paper and reuse _____ bags. At school, students are encouraged to _____ waste paper and ______________ because recycling can protect the ____________ and _______ money. Then we _______ them ______ they can be recycled. reduce reuse recycle sides plastic collect soft drink cans environment save sort so that While-listening 1a Look, listen and say. While-listening Can you retell it? Jane an organization main job at home at school reduce the waste we produce use both sides of paper and reuse plastic bags collect waste paper and soft drink cans sort them so that they can be recycled What else should we do to improve our environment? the three R's While-listening 连词 or, and, but 和 while的用法 并 列 句 ①表示并列关系，动作的先后关系，用 ②表转折关系，用 ③表选择，用 and（和，并且） but（但是）, while（然而） but 所表达的转折程度较大，常是相反的。 while 表示轻微的转折，其实质是指两种情况或事物的对比 or（或者；否则） Grammar 1. Noise is a kind of pollution. It’s harmful to our hearing 2. Work hard. You will fail the exam. 3. Nodding the head means agreement. Shaking the head means disagreement. 4. Hurry up. You will miss the bus. 5. He has failed several times. He never give up. 2 Combine the sentences with or, and, but or while. Noise is a kind of pollution and it’s harmful to our hearing. Work hard, or you will fail the exam. Nodding the head means agreement while/but shaking the head means disagreement. Hurry up, or you will miss the bus. He has failed several times, but he never gives up. Brainstorm 1. You nod your head ________ it means agreement. 2. Hurry up, ______ you’ll miss the train. 3. Water is important _______ some people don’t save it. 4. Some people protect animals ________ others kill animals. and or but while 1. Could I ask you a few questions? = Could I ask you ________ (some/any) questions? (1) 在表示请求的句子中，一般不用 yes 和 no 来直接回答。 肯定回答： 用 Certainly. / Sure. / Of course. 否定回答： 用 Sorry, I’m afraid... (2) 在表示请求、建议或希望得到肯定回答时，用 some 不用 any. 用some/any填空。 1. What about drinking _________ soft drink? 2. Why not get _______ food and drinks for the picnic? 3. Would you please lend me ________ money? 4. Is there _______ milk in the bottle? 5. There aren’t _______ organizations here. some some some some any any Language points 2. My main job is to help spread the message about _________ (protect) the environment. (1) to help spread... 不定式作表语，表示具体的动作或将要进行的动作。 doing sth. 动名词作表语，表示抽象的动作或习惯性反复性的动作。 (2) help + (to) do sth. 帮助做某事 （to 可以省略） help sb. + (to) do sth. 帮助某人做某事 （to 可以省略） eg. He often helps his parents ________ (do) the housework on weekends. Little Tom often helps the teachers __________ (sort) the desk. protecting to do/ do to sort / sort Language points 3. We should use _______ (both/all) sides of paper and reuse plastic bags. both 表示“两者都”，多与and连用， neither 意为“两者都不”，表单数，多与nor连用 either 意为“两个中的任意一个”（二选一），表单数，多与or连用 each 强调个体，“每一个” （两者及以上中的每个） none 表示三者或三者以上都不，强调数量 eg. We can see some trees on ________ sides of the street. A. all B. neither C. each D. both We can plant some trees on _______ side of the river. A. both B. each C. none D. neither eg.我既不喜欢可乐也不喜欢咖啡。 both D B I like neither cola nor coffee. 4. He never _______ (give) up. give----gave----given give up + n. / pron. / doing sth. （代词做宾语时只能放在give和up 之间） 练习： 1. I’ve given up _________ (eat) meat. 2. She does her best to learn math all the time, but she is still poor in it. So she wants to _______. A. give up it B. give them up C. give it up D. give up them 拓展：give in 屈服 give off 散发（气体、气味） give out 分发 （反义词组：hand in 上交） gives eating C back 3a Read the table and write the correct letter under each picture. paper cups glass bottles cans plastic bags newspapers Post-listening 3b Listen to the conversation and sort the garbage. plastic bags paper cups glass bottles cans newspapers Recycled Reduced Reused Post-listening 3b Listen to the conversation and sort the garbage. Recycled Reduced Reused plastic bags paper cups glass bottles cans newspapers Wow! We’ve got so much garbage! A: I think lunch boxes should be reused. B: What about waste paper ? A: I think… Group Work Suppose you will have a Clean-up Day. You’ve much garbage! Soft drink cans, lunch boxes, plastic bottles, batteries, waste paper, paper bags and cups,…Work in groups and find out the garbage. Then sort them and talk about them. A: I think lunch boxes should be reused. B: What about waste paper ? A: I think it should be recycled. B: How about soft drink cans? A: I think they should be reused. What’s more, paper bags and cups and batteries should be reduced. Last, soft drink cans, plastic bottles and waste paper should be recycled. Show Time Summary We learn: some words: nod, agreement 2. some phrases: give up 3. some sentences: (1) We should reduce the waste we produce. (2)Recycling can protect the environment, and it can save money, too. We can: 1.Use the compound sentences with or, and, but and while. 2.Talk about environmental protection. Assessment Try hard OK Good Excellent Read and write new words. Use the compound sentences with or, and, but and while. Talk about the protection based on pictures and texts by listening to 1a and speaking activities. Talk about environmental protection. Homework 基础性作业： 1. Review the vocabulary and the sentence structures. 提高性作业： 2. Share the proper ways to protect the environment with your parents. 拓展性作业： 3. Surf the Internet to collect more information about environmental problems and effects. 87589.305 67655.93 Lavf58.28.100 $$nullnull