人教版九年级Unit 13全单元ppt课件.ppt

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1、Unit 13Were trying to save the earth,Section A,1a-2d,1. Were trying to save the earth! 我们正在竭尽全力拯救地球! try to do =try ones best to do 努力去做某事。 e.g. Every student should try to study hard in order to study in a university. 为了进入大学学习，每个学生都应该 努力学习。,Language points,The earth is polluted.,air pollution空气污染,T

2、he factories that burn coal pollutethe air with a lot of black smoke.,n. 煤炭,Factories put waste into the river.,water pollution 水污染,n. 废弃物,noise pollution噪音污染,There are more cars on the road.,1a,Here are some words related to different kinds of pollution. Write them in the box below. Then add more w

3、ords.,Here are some words related to different kinds of pollution. be related to 与有关 e.g.I am notrelatedtohim in any way. 我和他无任何关系。,noise pollution _,air pollution _,water pollution _,loud music,planes,mobile phones,factories,cars,smoking,ships,factories,littering,rubbish,building houses,building ho

4、uses,1b,Listen and complete the sentences.,really dirty,rubbish,fish,litter,waste,government,close down,clean up,litter v. 乱扔 【U】 n. 垃圾rubbish waste垃圾 废弃物,People should throw away litter in the bin.,n. 垃圾箱,4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into

5、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“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。,e.g. Throw the rubbish out. 把垃圾扔出去。The room is full of rubbish. 房间里堆满了垃圾。Pick up your litter after a picnic. 野餐后将废弃物收拾好。,1c,Role-play the conversation,The river was dirty. Even the

6、bottom of the river was full of rubbish.,But it used to be so clean!,usedto&beusedtodoing&beusedtodo的区别,usedto do sth.过去经常，以前常常(现在不做了) Weusedtogothereeveryyear.我每年都去那儿。 Heisnotwhatheusedtobe.他已不是旧日的他了。 beusedtodoing习惯于做某事 Hesquiteusedtohardwork.(workinghard)他颇习惯于艰苦工作。 beusedtodosth.被用来做 Woodisusedto

7、makepaper.木材被用来造纸。,Yes, but people are throwing litter into the river.,Factories are also putting waste into the river.,What should we do?,Everyone in this town should play a part in cleaning it up!,3. Everyone in this town should play a part in cleaning it up!play a part in 在方面起作用 e.g. A good diet

8、plays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着非常大的作用。,lay a part 在中扮演角色 e.g. He was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。,We should write to the government and ask them to close down the factories.,What else can we do?,Everyone should help to clean up the river.

9、,2a,Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.,land pollution B. air pollutionC. noise pollution D. water pollution,2b,Listen again and complete the sentences.,1. The air is badly polluted because there are _ on the road these days.2. Factories that burn

10、coal also _ the air with a lot of black smoke.,more cars,pollute,3. There is also too much rubbish and waste. People _ things every day.4. People are also littering in _ like parks. This is turning beautiful places into ugly (丑陋) ones.,are throwing away,public places,This is turning beautiful places

11、 into ugly ones. turn into 把变成,e.g. The icy rain seemed like to turn into snow. 渐渐地冻雨又变成雪花的模样。,Listen and answer the questions.,1. Who is the interviewer talking to?2. What are they talking about?3. What other problems do they see?,Susan and Jason.,The environmental problems.,Theres too much rubbish

12、 and waste in the streets.,Role-play conversations between Jason and Susan.,2c,The air has become really polluted around here. Im getting very worried.,Yes, I used to be able to see stars in the sky.,The problem is that,What should we do to save the earth?,Turn off the lights when you leave a room.,

13、关掉,Take the bus or subway instead of driving,stop using paper towels or napkins（餐巾，餐巾纸）,recycle books and paper,回收利用,2d,Read 2d and complete the chart.,take the bus, subway or ride a bike instead of driving.,bring a bag to go shopping.,use chopsticks or forks at home.,throw rubbish in the bins.,Role

14、- play the conversation,Jason and Susan, what are your ideas for solving these problems?,Yeah, or ride a bike. There are other advantages (优点) of bike riding. Its good for health and it doesnt cost (花费) anything!,Well, to cut down air pollution, we should take the bus or subway instead of（代替） drivin

15、g.,2. Its good for health and it doesnt cost anything! 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。,e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了200元买了新衬衫。 How much does the new computer cost? 新电脑花了多少钱？,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。take多表示花费时间； It takes sb. s

16、ome time to do sth. 其中it作形式主语。 e.g. It usually takes me 40 minutes to cook the dinner.,2) spend多表示花费时间和金钱， 主语通常是人； sb. spend(s) some time / money on sth. =sb. spend(s) some time / money (in) doing sth. e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on

17、 TV every day.,3) pay多表示花费金钱，主语通常是人，sb. pay(s) some money for sth. e.g. Tommy pays 20 yuan for his breakfast.4) cost多表示花费金钱，主语通常是物，sth. cost(s) (sb.) some money. e.g. 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 bo

18、oks 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.,cost,spent,takes,spend,paid,Great ideas! What about waste pollution?,Me, too. Also, I never take wooden chopsticks or plasti

19、c (塑料) forks when I buy takeaway (外卖食品) food. I use the ones at home.,Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.,And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.,So together, our actions c

20、an make a difference and lead to a better future!,3. 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 litt

21、le Tom. This has made a big difference to him.新来的老师总是鼓励小汤姆，这对他影响很大。,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.,to save,be,fish,wooden,fishermen,Homework,

22、Write 5 measures to protect the environment.,Make a poster!,The earth is badly polluted. Please make a poster and think of what we can do.,Save the earth!,Unit 13Were trying to save the earth,Section A,3a-3c,Translate these sentences into English.,1. 甚至是河底都满是垃圾。2. 这个镇上的每个人都应该参与清扫。,Even the bottom of

23、 the river was full of rubbish.,Everyone in this town should play a part in cleaning it up.,3. 骑自行车有其它的优点。4. 我买外卖食品从来不拿木筷子和塑料叉 子。,There are other advantages of bike riding.,I never take wooden chopsticks or plasticforks when I buy takeaway food.,The earth is badly polluted.What should we do to save

24、the earth?,Warming up,Lets take action (采取行动),Turn off the lights when you leave a room.,Recycle books and paper.,Take buses instead of driving cars.,There are some animals are endangered. We should do something to protect the animals and the environment!,Save the earth!Save the animals!,The zoos pr

25、ovide homes for many endangered animals.,1. Have you ever seen a shark（鲨鱼）?2. What do you know about sharks?,Discuss with your partner:,1. 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. Im no longer a student. 我不再是个学生了。,有两个短语和no longer同义，即notany longer和notany more，但

26、他们侧重的方面不同。,Language points,no longer和notany longer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。) no more和notany 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。),2. This method is not only cru

27、el, but also harmful to the environment. 这种方法不但残忍而且对环境有害。,not onlybut 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。,e.g. She not only plays well, but also writes music. 她不但很会演奏，而且还会作曲。 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。（就近原则）e.g. Not only you

28、 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 the poor man been fined, but also he had been sent to prison. 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. 吸烟有害健康。 Playing computer games much is harmful to students. 电脑游戏玩太多对学生有害。,3

29、. 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 top 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, 头发闪亮且平滑的分开。 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

30、。,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numbers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 in cities 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numbe

31、r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。,5. Environment protection groups around the world, such as WildAid 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。句中fin本为名词，指 “鱼鳍”。此句中的

32、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。,southern China,70 million,over 90 percent,WildAid and the WWF,3a,Read t

33、he passage about sharks and complete the fact sheet below.,3b,Read the passage again and fill in the blanks with the words in the box.,Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2. Sharks are at the top of the food chain, _ if their numbers drop,

34、the oceans ecosystem will be in danger.,when,so,3. Many think that sharks are too strong to be endangered, _ they are wrong.4. _ there are no scientific studies to support this, a lot of people believe that shark fins are good for health.5. Sharks may disappear one day _ we do not do something to st

35、op the sale of shark fins.,but,Although,if,adj. 科学上的，科学的,Fill in the blanks with the correct forms of the verbs in the brackets.Joe： you ever （take）part in an environmental project？Ken: Yes，I have. I (help) with a Clean-Up Day last year. It was (consider) the biggest clean-up project this city ever

36、(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 (wait) any longer to take action.,Have,taken,helped,considered,had,had,had taken,think,h

37、ave come,trying,wait,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 the earth. Many forget that saving the earth begins with small things. For example, you save electricity by turning off

38、 the lights when you leave a room. You also use reusable bags instead of plastic bags. I thinks its a great idea that you now pay for plastic bags in some stores. And instead of driving to school or work, you ride your bike or walk. If its far , you take the bus. All these small things add up and be

39、come big things that improve the environment. Lets take action now!,may,must,can,can,have to,could,can,can,could,4c. Make a list of things that people can do to help the environment and discuss.,use public transportation2. take reusable bags when you go shopping3. turn off the lights when you leave

40、the room4. grow more plants5. reduce the use of air conditions in summer .,A: I think that everyone should use public transportationB: I disagree. Its difficult for parents with young children to use public transportation.,Unit 13,Were trying to save the earth!,Section B1a-2e,What can we do to help

41、save the earth? Rank these items from the easiest(1) to the most difficult(5).,_ stop riding in cars_ recycle books and paper_ turn off the lights when you leave a room_ turn off the shower while you are washing your hair_ dont use paper napkins,5,4,1,3,2,1a,Recycling paper is really easy.,I agree.

42、But its hard to stop riding in cars.,1b,Compare your answers in 1a with your partner.,Listen and check ( ) the things that Julia and Jack talk about.,1c,1d,Listen again. Check ( ) the things that Julia is doing now, the things she will do in the future and the things she would never do.,Listen again

43、 and answer the questions.,Who read a book? Would Julia turn off the shower when she is washing the hair?3. Does Jack live close to school?,Jack.,No, she would never do that.,Yes, he does.,resident n. 负责人；主席；总统,work n. (音乐、艺术)作品,metal n. 金属,Presentation,Look at the title and the pictures in 2b. Can

44、you guess what the passage is about?,2a,Rethink, Reuse, Recycle!,Reading,Read the passage and answer the questions.,Who is Amy Hayes?2. How many people are mentioned in the passage? Who are they?,She is a unusual woman in the UK.,Three. They are Amy Hayes, Jessica Wong and Wang Tao.,Do you often thr

45、ow away things you dont need anymore? 1) throw away扔掉，丢弃浪费 (机会、 优势或好处),e.g. I never throw anything away. 我从来不扔任何东西。,Language points,e.g. Dont throw away this opportunity. 不要错过这个机会。,3) 浪费(时间、金钱等)乱花(钱等) e.g. It will be time and money thrown away. 这将是浪费时间和金钱。,2) 错过(机会等)，放过；未能很好利用 (机会等),e.g. Your creati

46、ve talents can also be put to good use, if you can work up the energy. 如果你能让自己精力充沛起来，你 的创作才能也能得到很好的发挥。,2. Have you ever thought about how these things can actually be put to good use?,ut sth. to good use 好好利用,她住在英国，房子是她自己用废弃物建造而成。,3. What does the sentence “she lives in a house in the UK that she bu

47、ilt herself out of rubbish” mean?,3. She lives in a house in the UK that she built herself out of rubbish.,build/make . out of用建造/制造,e.g. He built a model ship out of wood. 他用木头造了个模型船。 Some birdsbuildnestsoutoftwigs. 一些鸟用小枝筑巢。,4. The top of the house is an old boat turned upside down. turned upside

48、down 意为“被翻转过来的； 被颠倒过来的”，做后置定语修饰boat。 e.g. Tony had an upside-down map of Britain on his wall. 托尼的墙上倒挂了一张英国地图。 The lid, turned upside down, served as a coffee table. 那个盖子被翻过来当作咖啡桌。,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”，但二者的用法有区别。

49、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。,e.g. The desks and chairs are made of wood. 这些课桌椅是木材制成的。 This kind of wine is made from wheat. 这种酒是用小麦制成的。,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,e.g. He was known for his f

50、riendly. 他以友好而著称。He is known to the police as a thief.对警察来说是一个小偷。Zhou Jielun is known as a rap singer. 周杰伦是作为一个说唱歌手而出名。,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 little creativity (n. 创造 力).,bring back 恢复；使想起；归还,