Unit 8 Lesson 48 Garbage Is Interesting!-【绿卡初中创新题】2024-2025学年八年级下册英语同步教案(冀教版)

Unit 8 Save Our World 课时 第48课时 Garbage Is Interesting！ 课型 新授课 教学目标 【知识与技能】 1.能掌握下列词汇： used, divide, seat, ton, pile, lid, duty 2.能掌握下列短语： divide...into...; It’s one’s duty to... 3.能掌握以下句型： (1) It was great to see everyone working together! (2) We put on gloves and divided the garbage into different piles: glass, metal, plastic, paper and everything else. (3) I think it’s our duty to protect the environment. 【情感、态度与价值观】 该部分主要讲述了Jenny对保护环境、垃圾分类系列事项的总结。要求学生掌握一些与保护环境有关的词汇和重点句子，能够运用英语谈论环保问题。并了解自己所生活的环境的污染问题，培养责任感，以身作则，采取措施来保护自己周边的环境。 教学重点 掌握本课节中的I think it’s our duty to...句型的用法。 教学难点 能用流利地道的英语进行有关环保问题的实际交流。 教学准备 教师：音频、课件。 学生：预习课文及词汇。 教 学 过 程 Step 1: Lead­in 建议：通过带领学生自由讨论垃圾再利用相关的话题引入本课。 For example: (1) Look at these pictures. Can you believe they are all made out of garbage? (2) What can we do with “waste” or “garbage”? Step 2: Presentation 建议：讲授本课新词汇。 used adj.用过的；旧的；二手的 divide v.分开；分割 pile n.堆；大量 seat n.座位 lid n.盖子 ton n.吨 duty n.责任；义务 divide... into... 把……分成…… Step 3: Reading and filling 建议：读课文，写出与左栏对应的信息。（Let’s Do It! No. 1） This week They learned about pollution. On Tuesday Danny, Brian and Jenny cleaned up the schoolyard. Later on Tuesday Brian, Danny and Jenny went for a walk around their neighbourhood. On Wednesday They sorted their school’s garbage. Today Danny made a car out of garbage. Later this month They will go on a class trip to the city recycling centre. Step 4: Completing 建议：读课文，补全对话。 Complete the dialogues using the phrases in brackets. 1. A: The schoolyard is dirty. (clean up) B: ___________________________________ 2. A: There is too much garbage. (pick up) B: ___________________________________ 3. A: What a sunny day! (go for a walk) B: ___________________________________ 4. A: It’s cold outside! (put on) B: ___________________________________ Answers: 1. Let’s clean it up together. 2. Shall we pick it up? 3. How about going for a walk? 4. Put on your coat. Step 5: Reading and answering 建议：读短文，回答问题。（Let’s Do it! No. 3） “Hazardous” means dangerous. Some hazardous waste is poison—it makes people sick. Some products explode or burn very easily. Hazardous things usually have these labels: “poison”, “caution”, “warning” or “danger”. What can we do about hazardous waste? Buy less of it! And when you take out the garbage, don’t take out your hazardous waste. Hazardous waste in your garbage is bad for the environment. Why? Because we usually bury or burn our garbage. This can make people and the environment sick. Many countries have laws about hazardous waste. The laws don’t allow people to bury or burn hazardous waste with other garbage. Many cities in North America keep their hazardous waste in special places. Some have ways to burn it at very high temperatures: from 900 to 1 100 degrees centigrade. Hazardous waste is buried two kilometres under the ground in some places. That’s deep! (1) Which of these is hazardous? Tick the correct ones. (2) What can we do about hazardous waste? (3) Why is Hazardous waste in your garbage bad for the environment? Answers: (1) Buy less of it! And when you take out the garbage, don't take out your hazardous waste. (2) Because we usually bury or burn our garbage. (3) This can make people and the environment sick. Step 6: Language points 1. All of our classmates helped. 我们班的所有同学都来帮忙。 all of… 所有的……，其后既可跟可数名词复数，也可跟不可数名词。作主语时，谓语动词的单复数取决于其后所接名词或代词的单复数。 All of the rubbish here is plastic. 这里所有的垃圾都是塑料的。 2. Danny found a used toy car with one broken wheel. 丹尼发现一个坏了一个轮子的用过的玩具汽车。 (1) used为形容词，意为“用过的，二手的，旧的”。 He spent 1,000 dollars on a used car last week. 上周他花了1 000美元买了一辆二手车。 (2) with one broken wheel是介词短语作定语，放在被修饰的名词后面。 Please pass me the bottle with some oil.请递给我那只装了一些油的瓶子。 3. We put on gloves and divided the garbage into different piles: glass, metal, plastic, paper and everything else.我们戴上手套，把垃圾分成不同的小堆：玻璃、金属、塑料、纸和其他所有的东西。 divide v.分开，划分。短语divide…into…意为“把……分成……”，强调把原来是整体的东西分成若干份。divide…in half意为“把……分成两半”，相当于divide…into halves。 We should divide the apple in half.我们应该把苹果分成两半。 拓展： separate指把人或物分开，着重指从原来的一个整体中移去一部分或把几部分隔开。常用的短语为：separate...from...将……分开。 Do you know how to separate cream from milk? 你知道如何从牛奶中分离出奶油吗？ 4. There was less plastic than paper and more plastic than metal.塑料比纸少，金属比塑料少。 more adj. (much, many的比较级)更多的，adv.更(与部分形容词或副词连用，构成比较级)，更多 I have more oranges than he. 我的橙子比他的多。 I’ll be more careful next time. 下次我会更加小心的。 “数词或表示数量的词+more+名词”表示在原有的基础上“另外的，附加的”。 There are twenty more trees to be planted. 还有20 棵树需要栽。 more and more越来越多 More and more people are interested in blogs. 越来越多的人对博客感兴趣。 more or less 大约 More or less one hundred people died in the heavy rain. 大约有一百人在大雨中遇难。 more than多于；超过 There are more than 1. 4 billion people in China. 中国人口超过了14 亿。 the more...the more... 越……越…… The more you read, the more you will know. 你读得越多，你就知道得越多。 5. He used a big box for the body and pieces of wood for the seats. seat n.座位 take a seat就座 give one’s seat to sb.给某人让座 reserve a seat预订座位 They reserved a seat for me. 他们给我预订了座位。 It’s polite to give the seat to the old. 给老人让座是礼貌的。 Please take a seat near the window. 请靠窗就座。 6. Today, Danny made a car out of garbage！今天，丹尼用垃圾做了一辆小汽车！ make…out of…意为“用……制作……”。make后面接成品，out of后面接材料。 The children like making hats out of branches.孩子们喜欢用树枝编帽子。 7. I think it’s our duty to protect the environment. 我认为保护环境是我们的责任。 It’s one’s duty to do sth.意为“做某事是某人的职责/义务”。在这个句式中，it作形式主语，真正的主语是后面的不定式短语。 It’s her duty to look after her sick sister. 照顾生病的妹妹是她的职责。 8. I am only one person, but if I do my part, the earth will be a cleaner and safer place.我虽然只是一个人，但如果我做好我该做的，地球会成为一个更干净、更安全的地方。 do one’s part尽本分；尽自己的职责。 Everyone should do his part to protect the environment. 每个人都应尽自己的职责来保护环境。 Step 7: Practice 建议：做练习，以巩固课堂所学。 用方框中所给词的适当形式填空。 divide...into..., pick up, used, pile, duty This week we had a schoolyard clean-up. All of our classmates 1.__________ the garbage. Then we 2.__________ the garbage 3.__________ different 4.__________: glass, metal, plastic, paper and everything else. Our teacher asked us to make something interesting with the 5.__________ paper or plastic. Our teacher also told us it’s our 6.__________ to protect the environment. Answers: 1. picked up; 2. divided; 3. into; 4. piles; 5. used; 6. duty Step 8: Summary 1. The new words： used, divide, seat, ton, pile, lid, duty 2. Important phrases: divide...into...; It’s one’s duty to... 3. Important sentences: (1) It was great to see everyone working together! (2) We put on gloves and divided the garbage into different piles: glass, metal, plastic, paper and everything else. (3) I think it’s our duty to protect the environment. 课堂作业 1．口头作业：朗读课文和熟读词汇。 2．书面作业：你有哪些变废为宝的好主意？请就此写一篇英语短文。 板书设计 Unit 8 Save Our World Lesson 48 Garbage Is Interesting！ 1. The new words： used, divide, seat, ton, pile, lid, duty 2. Important phrases: divide...into...; It’s one’s duty to... 3. Important sentences: (1) It was great to see everyone working together! (2) We put on gloves and divided the garbage into different piles: glass, metal, plastic, paper and everything else. (3) I think it’s our duty to protect the environment. 教学反思 课程首先带领学生自由讨论垃圾再利用相关的话题引入本课，接着讲授本课新词汇。之后详读课文，通过填写信息、补全对话、回答问题的方式考查学生对课文的理解和掌握情况。然后详细讲解语法点，举一反三、条分缕析地剖析本课词汇及语法，进一步巩固学生的英语理论基础。最后通过总结和布置作业进一步加强和锻炼了学生的本课所学。课程同课文同为总结概括前几个单元的信息，内容详实，复习到位，具有较好的教学实践效果。 学科网（北京）股份有限公司 $$