2023年人教版初中英语九年级Unit 13 教案.docx

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1、2023年人教版初中英语九年级(教案)Unit 13 Were trying to save the earth!一、教学目标：1 .语言知识目标基本词匚：litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, takeaway, bin, shark, fin, cruel, harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation, recycle, napkin, upside, ga

2、te, bottle, president, inspiration, iron, work, metal, creativity,基本词组：be harmful to, at the top(of sth.), take part in, turn off, pay for, take action, throw away, put sth. to good use, pull. down, bring back基本句型： Were trying to save the earth.The river used to be so clean.The air is badly polluted

3、.No scientific studies have showed that shark finsaregood for health.We should help save the sharks.2 .技能目标：能正确运用现在进行时，现在完成时，被动语态，情态pay多表示花费金钱，主语通常是人，常用于sb. pay(s) some money for sth.句型。e.g. Tommy paid 20 yuan for his breakfast yesterday.3) cost多表示花费金钱，主语通常是物，常用于sth. cost(s) (sb.) some money.句型。e.g.

4、 The new dress cost Linda 88 yuan.根据句意用take, spend, pay或cost的适当形式填空。1) That new car them lots of money.2) Mona 50 yuan 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:

5、 cost spent takes spend paid3. So together, our actions can make a difference and lead to a better future!make a difference (to.)表示(对)产生影响或作用e.g. Do you think his words would make any difference to the final decision?你认为他的话会对最后的决定产生影响吗？The new teacher always encourages little Tom. This has made a bi

6、g difference to him.新来的老师总是鼓励小汤姆，这对他影响很大。XL 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) Its bad for environment to use(wood) chopsticks.Keys: to save be fish fishermen woodenThink aboutThe earth is badly pol

7、luted. Please make a poster and think of what we can do.XII. HomeworkCopy the new words and remember them.1. Read the listening materials of lb, 2a.Section A 2 (3a-3b)L Revision(1) Role-play 2d.(2) Translate these sentences into English.甚至是河底都满是垃圾。这个小镇上的每个人都应该参加打扫。骑自行车有其它的优点。我买外卖食品从来不拿木筷子和塑料叉子。II. L

8、ead inTeacher tells students the earth is badly polluted. What should we do to save the earth? Lets take action. For example:Turn off the lights when you leave a room;Take buses instead of driving carsRecycle books and paper.(1) There are some animals are endangered. We should do something to protec

9、t the animals and the environment!III. Discussion(1) Have you ever seen a shark?(2) What do you know about sharks?IV. Reading(1) Sharks are endangered, read the passage and judge the sentences.Sharks fin (鱼鳍)soup is famous and expensive all around the world.We have to kill a whole shark to get a bow

10、l of sharks fin soup.People cut off sharks fins and throw the sharks back into the ocean.Sharks are in the bottom of the food chain in the oceans ecosystem.WildAid and the WWF are environmental protection groups inChina.Sharks fins are good for health.(2) Complete the fact sheet in 3a.Where shark fi

11、n soup is popularNumber of sharks caught and traded every yearHow government can helpTwo environmental groups which are against finning”Practice (3b)(1) Read the passage and fill in the blanks with the words in the box.so although if but whenMany people do not realize they are killing a whole shark

12、they enjoy a bowl of shark fin soup.1. Sharks are at the top of the food chain,if their numbers drop, the oceans ecosystem will be in danger.2. Many think that sharks are too strong to be endangered,they are wrong.3. there are no scientific studies to support this, a lot of people believe that shark

13、 fins are good for health.4. Sharks may disappear one day we do not do something to stopthe sale of shark fins.(2) Retell the passage according to the words below.sharks fin soup, in southern Chinaeach time cut off no longernot only.but also.at the top drop be endangered the strongestaround 70 milli

14、on fallen by over 90 percentWildAid and the WWF develop laws scientific studiesVI. Language points1. A shark can no longer swim and slowly dies.鲨鱼不能再游泳然后慢 慢死掉。no longer意思是“不再”e.g. Tm no longer a student.我不再是个学生了。有两个短语和 no longer 同义，即 not.any longer 和 not.any more, 但他们侧重的方面不同。no longer 和 not.any long

15、er 侧重时间。e.g. He no longer lives here.= He doesnt live here any longer.他不在这儿居住了。(一个时间以前他住在这儿，过了这个时间, 他就离开了。)not.any more侧重程度和数量e.g. You can drink no more. = You cant drink any more.你不能再喝了。（喝酒的量到了一定程度，不能再继续下去了。）This is not only cruel, but also harmful to the environment.这不但残忍而且对环境有害。not only.but also.

16、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。e.g. 1) She not only plays well, but also writes music.她不仅很会演奏，而且还会作曲。2) Not only men but also women were chosen.不仅仅是男的，女的也有被选中的。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。e.g. Not only you but also he has to leave.不只是你，他也得离开。not only放在句首，后接句子时要用倒装结构。e.g. Not only had t

17、he poor man been fined, but also he had been sent toprison.这个可怜的人不仅被罚款，而且还被送进了监狱。be harmful to 对有害e.g. Smoking is harmful to the health.吸烟有损健康。Playing computer games much is harmful to students.电脑游戏玩太多对学生有害。2. Sharks are at the top of the food chain in the oceans ecosystem.鲨鱼位于海洋生物系统食物链的顶部。at the to

18、p of在最高地位；用最高最大的(速度，声音等)e.g. I looked at the top of his head, his hair shiny and parted smoothly.我看他的头顶，头发光亮，分得平滑。He shouted at the top of his voice in order that he might be heard. 他尽力大声叫喊，以便别人能听见。3. 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

19、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。e.g. In that country, the number of children going to school is higher incities than in towns and village.在那个国家，城市儿童入学人数比乡镇及农村要高。常与number搭配的动词有grow, fall等。e.g. The number of families that own cars has been growing quickly recently.近来拥有轿车的家庭数量增长很快。

20、4. Environmental protection groups around the world, such as Wild Aid and the WWF, are teaching the public about “finning”.世界各地的环境保护组织，如野生救援协会和世界自然基金会，都 在教育公众有关“猎翅”的行为。1）句中行n本为名词，指“鱼鳍”。此句中的finning由动词化的 fin （割鲨鱼鳍以获取鱼翅）的-ing形式转化而成，指课文中所陈述的“猎翅”这一行为。2） WildAid 和 WWF 组织WildAid （美国野生救援协会）是保护野生动物及栖息地环境的 一个

21、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。VIL HomeworkWrite 5 measures to protect the environment.Section A 3 （Grammar Focus-4c）I. Revision1. Check if you know these phrases.不同种类的污染把垃圾扔到河里在中国南部在顶部河底在中起作用对.有害海洋生态系统Transl

22、ate these sentences into English.甚至是河底都满是垃圾。这个方法不仅残酷还对环境有害。鲨鱼处于海洋食物链的顶部。许多人相信鱼翅对健康有好处。11. Grammar FocusPay attention to the sentences.1) Were trying to save the earth.2) The river used to be so clean.3) The air is badly polluted.4) No scientific studies have shown that shark fins are good for health

23、.5) We should help save the sharks.1 .现在进行时：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.e.g. Look! The boy is crying.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。e.g. I

24、 used to get up at six oclock.Joe is used to drinking a cup of coffee every morning.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e.g. A new school was built last year.Our classroom is cleaned every day.4 .现在完成时：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：h

25、as/have +过去分词标志词:already, yet, ever, never, since, for.e.g. I havent finished my homework yet.5 .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。e.g.

26、Ken can climb up the tress like a koala.Tracy could ride a bicycle when she was five years old.You mustnt play with fire. It is dangerous.IIL Practice 1. Work on 4a. Fill in the blanks with the correct forms of the verbs in 动词和used to句型。3.情感目标：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：(1)能正确运用现在进行时，现在完成时，被

27、动语态，情态动词 和used to句型。(2)保护环境的措施方法。2 .教学难点：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。Section A 1 (la-2d)PresentationShow the picture of the earth and tell students the earth is pollutednow.For example:(1) The factories that burn coal pollute the air with a lot of black smoke.(2) Factories put waste into t

28、he river.(3) People should throw away litter in the bin.(4)There are more cars on the road.I. LearningHere are some words related to different kinds of pollution. Write themin the box below. Then add more words.brackets.Joe:you ever(take) part in an environmental project ?Ken: Yes, I have. I(help) w

29、ith a Clean-Up Day last year. It was(consider) the biggest clean-up project this city ever(have).Joe: How many people(take) part?Ken: I(think) more than 1,000 people(come) to help out.Joe: Thats fantastic! I guess everyone in this city is(try) to improve the environment.Ken: Yes, we cant afford to(w

30、ait) any longer to take action!2. Work on 4b. Fill in the blanks with the appropriate modal verbs from the box.can, would, could, have to, should, must, may/might People think that big things be done to save theearth. Many forget that saving the earth begins with small things. For example, you save

31、electricity by turning off the lights when youleave a room. You also use reusable bags instead of plasticbags. I think its a great idea that you now pay for plastic bagsin some stores. And instead of driving to school or work, youride your bike or walk. If its far, you takethe bus. All these small t

32、hings add up and become big thingsthat improve the environment. Lets take action now!3. Work on 4c. Make a list of things that people can do to help the environment and discuss your list with your partner.use public transportation （交通运输）；turn off the lights when you leave a room;use reusable bags in

33、stead of plastic bags;ride your bike or walk to school or work;stop using paper napkins;recycle books and paper 4. Discussion.A: I think that everyone should use public transportation.B: I disagree. If s difficult for parents with young children to use public transportation.IV. Language pointsWe can

34、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 able to连用）买得起；有足够的e.g. We cant afford to pay such a price.我们付不起这个价钱。Dancing affords us pleasure.跳舞给我们带来快乐。1. .save electricity by turning off the lights when you leave a room.turning off 关掉e.g. Please turn the

35、television off before you go to bed.睡觉前请关掉电视。拓展：turn相关短语turn around 转身turn up调高(音量)turn down调低；拒绝turn into变成；进入turn on 打开，发动turn off关掉，关闭turn out to be 结果是turn over 移交HomeworkFinish the exercises in the workbook.Section B 1 (la-2e)L RevisionRole-play this conversation.A: I think that everyone should

36、 use public transportation.B: I disagree. Its difficult fbr parents with young children to use publictransportation.A: But we can do other things. For example, we can go to school on foot.B: You are right. We should turn off the lights when we leave the room.II. Leading in(1) Tell students we should

37、 do these things to protect the environment.Turn off the lights when you leave a room;Stop riding in cars;Stopping using paper towels or napkins;Recycle books and paper.Turn off the shower while you are washing your hair.You can help reduce pollution by putting that soda can in a different bin.Dont

38、use paper napkins.(2)What can we do to help save the earth? Rank these items from theeasiest (1) to the most difficult(5). (la)stop riding in carsrecycle books and paperturn off the lights when you leave a roomturn off the shower while you are washing your hairdont use paper napkins(3) Compare your

39、answers in la with your partner.III. Listening 1c &ldListen and check (N ) the things that Julia and Jack talk about.(1) Check ( Y ) the things that Julia is doing now, the things she will do inthe future and the things she would never do.(2) Check the answers with the whole class.Things Julia and J

40、ack talk aboutThings Julia is doing nowThings Julia will do in the futureThings Julia would never doturning off the lightturning off theshowernot using papernapkinstaking your own bags when shopping.not riding in carsriding a bikerecycling paperListen again and answer the questions below.Who read a

41、book?Would Julia turn off the shower when she is washing the hair?Does Jack live close to school?Get one student to write the answers on the blackboard.Keys: Jack.No, she would never do that.Yes, he does.IV. PracticeMake a conversation using the information from the chart in 1c. Say what is true for

42、 you.(1) Guessing gameShow some pictures to students and get them to guess what these things are made from.V. ReadingUse pictures to presentation the new words.(1) Read the passage and answer the questions belowWho is Amy Hayes?How many people are mentioned in the passage? Who are they?Keys: She is

43、an unusual woman in the UK.Three. They are Amy Hayes, Jessica Wong and Wang Tao.(2) Read the passage and complete the chart below.NamesWhat materials did they use?What did they make?Keys:Amy Hayeswindows and doors of old buildings that have been pulled downan old boatrocksold glass bottles （n.瓶子）a h

44、ouseJessica Wongold clothes; especially old jeansbagsWang Taoiron （n. 铁）and other materials from old carsbeautiful art piecesRead paragraph 2 and answer the questions.Did she win an award? What was it from?Where did her windows and doors come from?What does the sentence “she lives in a house in the

45、UK that she built herself out of rubbish mean?Keys:Yes, she did. It was from the Help Save Our Planet Society.They came from old buildings around her town that were pulled down.她住在英国，房子是她自己用废弃物建造而成。(3) Read paragraph 3 and answer the questions.Is Jessica Wong good at recycling? What does she do?Wher

46、e does she sell her bags?What will she write in her book?Keys:Yes, she is. She uses old clothes that people dont wear anymore to make bags.Her shop and website.New ways to use old clothes.(4) Read paragraph 4 and answer the questions.What does Wang Tao hope to set up? Why?Translate the sentence “Not

47、 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 little creativity .into Chinese.Keys:A “metal art” theme park.Because he wants to show people the importance of environmental protection.艺术不但可以给人们带来快乐，而且也说明只需要一点创造力，即 使是冰冷、坚硬的铁也可产生活力。VL Language pointsl.Do you often throw away things you dont need anymore?