九年级Unit13教案

1、Unit 13 We re trying to save the earth！一、教学目标：1. 知识与技能基本词汇 ：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin, shark, fin, method, cruel. Harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation, recycle, napkin, upside, gate, bottle

2、, president, inspiration, iron, work, metal, creativity,基本词组： be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth. to good use, p ull dow n, bring back 基本句型 ：Were trying to save the earth！The river used to be so clean. The air is badly polluted. No scientific

3、 studies have showed that shark fins are good for health. We should help save the sharks.2. 过程与方法：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to句型。1）能正确运用现在进行时， 现在完成时，被动语态，情态动词和 used to 句3. 情感态度价值观 ： 有环境危机意识，学会关注环境保护环境。 二、教学重难点：1. 教学重点：型。2. 教学难点： 三、教学准备（2）保护环境的措施方法。能正确运用现在进行时， 现在完成时，被动语态，情态动词和 used to 句型。 :PPTS

4、ection A 1 (1a-2d)I. PresentationShow the picture of the earth and tell students the earth is polluted now.II. LearningHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.III. Listening1. 1b Listen and complete the sentences.2. Liste n aga in

5、 and check 0 the senten ces you hear.IV. Practice1. Role-play the conversation in 1c.2. Make conversations using the pollution in 1a.V. Language points1. We re trying to save the earth我们正在竭尽全力拯救地球！try to do =try one s be努力去故某事。2. Here are some words related to different kinds of pollution.be related

6、 to 与有关3. Everyone in this town should play a part in cleaning it up!p lay a part in 在方面起作用play a part 在中扮演角色4. Even the bottom of the river was full of rubbish.Yes, but people are throwing litter into the river.litter 和 rubbish 都可指“垃圾”，用作不可数名词。 rubbish 指“没用的东西 (被扔或将要丢弃的无用的东西 ) ”不可回收。litter 指“室(内或公共

7、场所 )乱扔的废物 (纸屑、不要的包装纸、废瓶等 ) ”还可回收VI. Listening1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.2. 2b Listen again and complete the sentences.3. Listen and answer the questions.VII. Practice (2c)Use the information in 2a and 2b to role-play conversations bet

8、ween Jason and Susan.VIII. DiscussionAsk students what we should do to save the earth. Help students answer, turn off the lights when you leave a room; stop riding in cars; stop using paper towels or napkins; recycle books and paper.IX. Reading1. Read 2d and complete the chart.2. Role-play the conve

9、rsation.X. Summary and language points1. This is turning beautiful places into ugly ones.turninto 把变成t cost anything!2. It s good for health and it doesn cost v. 花费；使付出指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。take, spend, pay & costtake，spend, pay和cost都可以表示 花费”但它们的用法各有不同。1) take多表示花费时间，常用于It takes sb. some

10、time to do sth这一句型中，其中it作形式 主语。2) spend多表示花费时间和金钱，主语通常是人，常用于sb. spend(s) some time / money on sth.和 sb. spend(s) some time / money (in) doing sth两种句型。3) pay多表示花费金钱，主语通常是人，常用于 sb. pay(s) some mo ney for sth句型。4) cost多表示花费金钱，主语通常是物，常用于sth. cost(s) (sb.) some mo ney句型。根据句意用take, spend, pay或 cost的适当形式填空

11、。1) That new car them lots of money.2) Mona 50yuan on the books just now.3) It usually me an hour to do my homework.4) You should some time practising your pronunciation.5) My brother 6, 000 yuan for the new computer yesterday.Keys cost spent takes spend paid3. So together, our actions can make a di

12、fference and lead to a better future! make a differe nee (to表示(对)产生影响或作用XI. Exercises用动词的适当形式填空。1) Were trying (save) the earth.2) There used to (be) clean and beautiful.3) There are too many for to catch (fish).4) It s bad for environment to use (wood) chopsticks.Keys: to save be fish fishermen woo

13、denXII. Think aboutThe earth is badly polluted. Please make a poster and think of what we can do.XIII. Homework1. Copy the new words and remember them.2. Read the listening materials of 1b, 2a.Section A 2 (3a-3c)I. RevisionII. Lead in(1) Teacher tells students the earth is badly polluted. What shoul

14、d we do to save the earth? Let take action.(2) There are some animals are endangered. We should do something to protect the animals and the environment!III. Discussion(1) Have you ever seen a shark?(2) What do you know about sharks?IV. Reading1、Sharks are endangered, read the passage and judge the s

15、entences.2、Complete the fact sheet in 3a.V. Practice (3b)(1) Read the passage and dill in the blanks with the words in the box.(2) Retell the passage according to the words below.VI. Language points1. A shark can no Ion ger swim and slowly dies.鲨鱼不能再游泳然后慢慢死掉。 no Ion ger意思是 不再”有两个短语和no Ion ger同义，即not

16、any Ion ger和notany more 但他们侧重的方面不 同。no Ion ger 和 not any longer 侧重时间。notany mord则重侧重程度和数量2. This method is not onIy crueI, but aIso harmfuI to the environment. 这种方法不但残忍而且对环境有害。not only but also 用于连接两个表示并列关系的成分，着重强调后者，其意为 不仅而且”;其中的 also有时可以省略。若连接两个成分作主语，其谓语通常与靠近的主语保持一致。not only 放在句首，后接句子时要用倒装结构。be ha

17、rmful to 对 有害s ecosystem.3. Sharks are at the top of the food chain in the ocean 鲨鱼位于海洋生物系统食物链的顶部。at the top of 在.最高地位; 用最高最大的（速度, 声音等）4. If their numbers drop too low, it will bring danger to all ocean life. 如果它们的数目降至过低，会给所有海洋生物带来危险。此句复数形式的number表达全海洋中鲨鱼的总量。当表示数值的高或低时，number要用 high 或 low 修饰。常与numbe

18、r搭配的动词有grow, fall等。“ r ”“ finning ”.如野生救援协会和世界自然基金会，都在教育公众有关5. Environment protection groups around the world, such as WildAid and the WWF, are teaching the public about世界各地的环境保护组织，翅”的行为。鱼鳍”。此句中的 finning 由动词化的 fin （割鲨鱼鳍以获取鱼 猎翅”这一行为。1）句中 fin 本为名词，指 翅）的-ing形式转化而成，指课文中所陈述的2）WildAid 和 WWF 组织WildAid （美国野

19、生救援协会）是保护野生动物及栖息地环境的一个非盈利性的机构，1999 年注册成立，其宗旨是保护及救助世界范围内的野生动物； WWF （世界自然基金会）英 文全称为 World Wide Fund for Nature，成立于1961年，是享有国际盛誉，全球最大的独 立性非政府环境保护组织之一。VII. HomeworkWrite 5 measures to protect the environment.Section A 3 (Grammar Focus-4c)I. RevisionII. Grammar FocusPay attention to the sentences.1. 现在进行

20、时 : Present Progressive 定义：表示说话时(瞬间)正在进行的动作，也表示目前或现阶段一直进行的动作。 结构: be (am/is/ are) +v.-ing标志词：Look, Listen, now, right now 2. used to do与 be used to doingused to do sth. 表示过去常常做某事 , 而现在往往不做了 , 后接动词原形。be used to doing sth. 表示习惯于做某事。3. 被动语态： Passive voice 定义：表示主语是动作的承受者，即行为动作的对象的一种语态。 结构： be + 过去分词4. 现

21、在完成时 : Present Perfect定义：表示动作已经完成 , 但对现在造成影响 ; 或者表示从过去某一时间开始一直延续到 现在并还可能持续下去的动作。结构: has/have + 过去分词标志词： already, yet, ever, never, since, for5. 情态动词1) 情态动词本身有一定的词义，表示说话人的情绪、态度或语气，但不能单独作谓语， 只能与其他动词构成谓语。常见的有： can (could), may (might), must, need, shall (should), will (would) 等。2) 情态动词无人称和数的变化，后接动词原形。否

22、定式是在情态动词后面加not。个别情态动词有过去式形式 , 可用来表达更加客气、委婉的语气。III. Practice1. Work on 4a. Fill in the blanks with the correct forms of the verbs in brackets.2. Work on 4b. Fill in the blanks with the appropriate modal verbs from the box.3. Work on 4c. Make a list of things that people can do to help the environment

23、 and discuss your list with your partner.4. Discussion.IV. Language points1. We can t afford to wait any longer to take action!afford v. 承担得起；提供 , 给予afford to do sth.(常与can, be ble to连用)买得起；有足够的 2. savelectricity by turning off the lights when you leave a room. turning off 关掉拓展： turn 相关短语turn around

24、 转身turn up 调高(音量)turn downturn intoturn onturn off turn out to turn over调低；拒绝变成；进入 打开，发动 关掉，关闭 be 结果是 移交V. Homework Finish the exercises in the workbook.Section B 1 (1a2e)I. RevisionII. Leading in(1) Tell students we should do these things to protect the environment.(2)What can we do to help save th

25、e earth? Rank these items from the easiest (1) to the most difficult(5). (1a)(3) Compare your answers in 1a with your partner.III. Listening 1c&1dListen and check (V ) the things that Julia and Jack talk about.(2) Check () the things that Julia is doing now, the things she will do in the futureand t

26、he things she would never do.(3) Check the answers with the whole class.(4) Listen again and answer the questions below.IV. Practice(1) Make a conversation using the information from the chart in 1c. Say what is true for you.(2) Guessing gameShow some pictures to students and get them to guess what

27、these things are made from.V. ReadingRead the passage and answer the questions below Read the passage and complete the chart below.Read paragraph 2 and answer the questions.Read paragraph 3 and answer the questions.Read paragraph 4 and answer the questions.Use pictures to presentation the new words.

28、(1)(2)(3)(4)(5)VI. Language points1. Do you often throw away things you don t need anymore?1）throw away 扔掉，丢弃浪费 （机会、优势或好处 ）2）错过（机会等 ），放过；未能很好利用 （机会等 ）3）浪费（时间、金钱等 ）乱花（钱等 ）2. Have you ever thought about how these things can actually be put to good use? put sth. to good use 好好利用3. She lives in a house

29、in the UK that she built herself out of rubbish.build/make . out of 用建造 / 制造4. The top of the house is an old boat turned upside down.turned upside down 意为 “被翻转过来的；被颠倒过来的 ”，做后置定语修饰 boat。5. And the gate in front of her house is made of rocks and old glass bottles.be made of和be made from都表示 由 制成”但二者的用

30、法有区别。be made of常常 表示原材料未发生化学变化，从成品中仍可看出原材料；而 be made from 常常表示原材 料经过化学变化，从成品中看不出原材料。6. He is known for using iron.be known for因而著名be known as作为而著名be known to 对于某人来说是著名的7. Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a li

31、ttle creativity （n. 创造力 ）.bring back 恢复；使想起；归还not oniy . but （also） .表示 不但而且”。本句中的not oniy位于句首，其后的主谓要部分倒装，即根据主语的人称和数以及时态的变化，将不同的助动词提到主语前， 需要注意的是butso）后面的主谓不用倒装。VII. Practice 2c and 2d（1）Fill in the blanks with the correct forms of the phrases in the box.（2）Underline the words in the passage based on

32、 the words below. What are the differences?1. Rethink, Reuse, Recycle !re-表示以re-是最常用的前缀之一。它可以加在名词或动词前面，构成新的名词或动词。 下三方面的意义：1）表示 回”或 向后”的意思。例如：return （回来）recall （回忆，召回）retract （缩回，取 回）2）表示“再”、“重新”、“重复”的意思。例如：rethink （再思考）reuse （再运用）restart （重新开始）recycle（再利用）3）表示 “相反”、 “反对”的意思。例如：rebel （反叛，谋反）reverse （

33、反转，颠倒）resist （反抗，抵抗）2. She is a most unusual woman.un-前缀，常加在形容词、副词、分词、动词和名词之前；第一，表示否定意义。第二， 表示 “反动作 ”。即“相反的动作 ”。例如： uneconomic不经济的 uncomfortable不舒服的 unending无尽的 unfortunate不幸 的un usual不平常的unkind不仁慈的un bi nd解开，释放un cover揭开 的盖子 un earth 由地下掘出 unbutton 解开钮扣3. Nothing is a waste if you have a creative m

34、ind.-ive 是形容词后缀 一般表示有 的create + -ive = creative4. Amy recently won a prize from the Help Save Our Planet Society.recent + -ly = recently形容词加ly变副词5. Amy is an inspi rati on (n.灵感)to us all.后缀 -tion 附在动词后面构成名词1) 当单词最后是t, d, te, de时，变名词加tion或者ation, ition ;2) 当单词最后是元音字母时，变名词加 sion等。6. She especially li

35、kes to use old jeans to make handbags.special 和 especial 是同义词，especially 是 especial 的副词。7. The theme park to show people the importance of environmental protection.importanee是 important 的名词。environmental 是 environment 的形容词形式。p rotect + -io n=p rotecti onVIII. Discussion 2eMake a list of things that

36、need to be done to save the environment. Which things can be done by common people every day? Which things have to be done by governments and organizations? Discuss these with your group.IX. HomeworkSurvey the students in our class.Then take a class vote.Section B 2 (3a-Self Check)I. RevisionII. Pre

37、sentation(1)What should we do to save the earth?(2)What should governments do to save the earth?III. Writing(1) Work on 3a. Which parts of the town/ city have a nice environment? Why are they nice? Which parts need to be improved? Why?Fill in the chart about your city.(2) Work on 3b.Write a letter to the city major about the problem and your suggestions.Then,