UNIT 8 Lesson 45教学详案—冀教版中学英语八年级下

UNIT 8　Save Our World
Lesson 45: Let’s Sort Garbage!
设计说明 首先出示图片,引出本课的话题Let’s Sort Garbage!(让我们一起来垃圾分类)，引入教材Think about it的学习。然后带领学生一同学习本节课的生词。再播放录音，通过听录音和阅读对话回答问题,让学生理解对话大意，初步了解Jenny和Danny之间的对话，并通过听对话掌握单词的发音；接着，读本课。利用Let’s Do It!中的练习题对本课内容进行巩固。最后，进行综合训练，检验学生掌握的情况。本节课从多个角度、多种形式对本课的语言知识进行练习，从而达到教学目的，实现教学目标。 教学目标 通过本课节的教学，学生达成以下目标： 1.知识目标 掌握单词：empty, litter 接触单词：sort, metal, plastic, recycle, amount 短语和句型：do with, be made into; People throw too much away. It is a waste to use paper only on one side. 2.能力目标 (1)听懂有关垃圾分类的介绍, 了解垃圾分类的重要性。 (2)在口语表达中可以正确地表达与环保相关的内容。 3.情感目标 在本课教学中注重学生环保意识的培养，培养学生在日常生活中从小事做起，从自身做起，过低碳生活，保护环境。 重点难点 1.重点：与垃圾相关的词汇与词组的正确使用。 2.难点：运用所学知识介绍自己掌握到的关于垃圾分类的情况。 教学准备 PPT 课件；本课节用到的录音 授课时数 1课时 教学过程 Step 1　Leading in Show some pictures about sorting garbage. Let the students answer the following questions: T: Hello, boys and girls. What are they Ss: They are dustbins/ garbage cans. T: What do you do with your garbage S1: Throw away. S2: Sort garbage. S3: Reuse garbage. T: Why do you do this Ss: Protect the environment. T: What kinds of things can be recycled and reused S4: Paper. S5: Plastic things. Discuss the questions in groups. Ask the students to talk for three minutes. Then let them present their talk in class. Step 2　Thinking about it What do you do with your garbage What kind of things can be recycled and reused Step 3　New words v. 分类；整理 n. 类；种类；类型 v. 把……弄空 adj. 空的 n. 金属 n. & adj. 塑料（的） v. 回收再用；再循环 n. 量；数量 n. 垃圾 v. 使乱七八糟；乱扔 Step 4　Listening 1. Listen to the tape and fill in the blanks. (1)There is more paper than 　　　　. (2) There is less 　　　　 than plastic. (3) 　　　　 is the least. (4) 　　　　 is the most. Answers: (1) plastic　(2) metal　(3) Glass　(4) Paper 2. Listen to the tape again and fill in the blanks. (1)Jenny thinks people throw 　　　　 away. (2) It’s a 　　　　 to use paper only on one side. (3) Danny will use some glue to fix the 　　　　 wheel. (4)All of the glass can be recycled and 　　　　 new glass. (5) It’s 　　　　 to leave broken glass on the ground. Answers: (1) too much　(2) waste　(3) broken　(4) made into　(5) dangerous Step 5　Reading 1. Read the lesson and write true(T) or false(F). (1)There is a lot of garbage: glass, metal, plastic and paper. ( ) (2)There is the most amount of glass and the least amount of paper. ( ) (3)Danny found Debbie’s toy car in the garbage. ( ) (4)Danny once cut his foot on a piece of broken glass. ( ) 2. Check the answers. Answers: (1) T　(2) F　(3)F　(4) T 3. Read the dialogue and answer the following questions. (1) Why are Danny and Jenny surprised after sorting the garbage (2)How do people waste paper (3)What will Danny do with the broken toy car (4)Why is it dangerous to drop litter / rubbish carelessly 4. Check the answers. Answers: (1)Because almost all of it can be reused or recycled! They need to throw away only one small bag of garbage. (2) They use paper only on one side. (3)He will take it home and clean it. Then he will fix the broken wheel. Finally he will give it to Debbie. (4) Because litter can hurt people. Step 6　Learning to learn T: As we know, “it” can be used to refer to time, weather, distance or something mentioned before. Study the sentences above. Can you find other ways of using “it” 1. Circle the words that “it” refers to in each sentence. Example: It is a waste to use paper only on one side . (1) It is fun to travel! (2) It is not right to waste things. (3) It is quite easy to find information with this program. (4) They think it is rude to point with a finger. (5) It is dangerous to leave broken glass on the ground. 2. Check the answers. Answers: (1) It is fun to travel ! (2)It is not right to waste things . (3)It is quite easy to find information with this program . (4) They think it is rude to point with a finger . (5) It is dangerous to leave broken glass on the ground . Step 7　Project Ask the students to read the passage and make their plans according to it. Sort the Garbage Go for a walk around your neighbourhood. Take a bag with you and pick up any garbage you see. Wear gloves because garbage is dirty. Bring the garbage to school. Don’t throw it away! What kind of garbage did you find Sort the garbage. Make a pile for paper, plastic, metal, glass and other things. ·How much of each type of garbage do you have ·What type do you have the least/most amount of Do you want to throw away the garbage now Don’t! What else could you do with it Think! Could you use some of the garbage again How How could people make less garbage Talk about this and write down your ideas. Now you can take out the garbage! Step 8　Language points 1. What do you do with your garbage 你怎样处理你的垃圾？ do with 处理。它常与疑问词what搭配使用。 What should I do with this problem 我应该如何处理这个问题？ 2. Danny empties two bags of garbage onto the floor. 丹尼将两袋垃圾倒在地板上。 empty v. 倒空adj. 空的 The streets began to empty after midnight. 午夜过后街上行人开始变得稀少了。 Vargas emptied his tool bag.瓦格斯腾出自己的工具袋。 3. After they sort the garbage, Danny and Jenny are surprised. 把垃圾分类之后，丹尼和詹妮很吃惊。 sort v．分类；整理。常用短语：sort out 把……整理好，分类。 I must sort out my clothes for the party. 我必须把聚会上要穿的衣服整理好。 4. Almost all of it can be reused or recycled! 几乎所有东西都能被重复利用或循环利用！ (1) 此句为含有情态动词的被动语态，其构成形式为：情态动词(can /may/must/should) +be + 及物动词的过去分词。 The flowers should be watered every day.花儿应该每天浇水。 Cars mustn’t be parked here.小轿车不可以停放在这里。 (2) re-是前缀，意思是“再，重新”。rewrite, replay, reappear, rebuild, remarry等。 reuse意思是“重新使用；再使用”。 She often reuses old envelopes.她经常重复使用旧信封。 recycle意思是“使再循环；使……重新利用，重复利用”。 They recycle empty tins so as to use the metal. 他们回收空罐头盒以利用其金属。 5. People throw too much away. 人们扔掉的太多。 辨析: too much, too many与much too too much太多，修饰不可数名词或修饰比较级，含有“过分，难以接受”之意。too many太多，修饰复数可数名词。much too太……，修饰形容词或副词的原级。
6. One of the wheels is broken. 其中一个轮子坏了。 one of… ……之一。它后面跟可数名词复数。它作主语时，谓语动词用第三人称单数形式。 One of my friends comes from Canada.我的一个朋友来自加拿大。 7. It’s dangerous to leave broken glass on the ground. 把碎玻璃留在地上是危险的。 (1)该句中it是形式主语，真正的主语是to leave broken glass on the ground。 (2)leave v．使保留；让……处于(某种状态、某地等)。其后可接名词、形容词、动词不定式、现在分词、过去分词或介词短语充当宾语补足语。 该句中 “leave broken glass on the ground” 的结构为“leave+名词+介词短语”。 Don’t leave your socks on the sofa.不要把你的袜子放在沙发上。 8. Once, I cut my foot on a piece of broken glass. 有一次，我的脚被一块碎玻璃划破了。 a piece of 一张/一片/一块……，它后面常跟不可数名词，但是要注意piece 是可数名词。该短语作主语时，谓语动词的数取决于piece的单复数形式。 I have a piece of good news to tell you.我有一条好消息要告诉你。 Step 9　Summary It’s very important for us to sort the garbage in our daily life. Step 10　Homework 1. Finish exercises of Lesson 45. 2. Preview the next lesson. 3. Tell your parents and your friends about the knowledge we have learnt today and sort and reuse garbage together. 当堂达标 Ⅰ.用所给词的适当形式填空 1. I’d like three 　　　　(glass) of water. 2. It’s dangerous 　　　　(leave) water here. 3. Jenny 　　　　(empty) the garbage every Sunday. 4. Not all the rubbish can 　　　　(reuse). 5. I can help Li Feng 　　　　(sort) the garbage. Ⅱ.完成句子 1.你怎样处理这个问题呢？ What do you 　　　　 　　　　 your problem 2.晓红今天晚上吃得太多了。 Xiaohong ate 　　　　 　　　　 tonight. 3.其中一封信是王明的。 　　　　 　　　　 the letters 　　　　 Wang Ming’s. 4.她捡起了地上的一张纸。 She picked up 　　　　 　　　　 　　　　 paper on the floor. 答案: Ⅰ. 1. glasses　2. to leave　3. empties　4. be reused　5. sort Ⅱ. 1. do with　2. too much　3. One of, is　 4. a piece of 板书设计 UNIT 8　Save Our World Lesson 45: Let’s Sort Garbage!sort; empty; metal; plastic; recycle; be made into; a piece of; go for a walk1. People throw too much away. 2. It is a waste to use paper only on one side. it的用法
教学反思