新目標(biāo)九年級下unit15_We_are_trying_to_save_the_manatees課件

1、Unit 15Were trying to save the manatees?上地實(shí)驗(yàn)學(xué)校上地實(shí)驗(yàn)學(xué)校1. 1. 單元特點(diǎn)分析單元特點(diǎn)分析2. 2. 課堂設(shè)計(jì)課堂設(shè)計(jì)3. 3. 練習(xí)題（練習(xí)題（見見word word 文檔）文檔）大綱大綱 1生詞量大且生僻詞多，建議教學(xué)時(shí)有所側(cè)重；生詞量大且生僻詞多，建議教學(xué)時(shí)有所側(cè)重； 無新語法知識，復(fù)習(xí)基本句式及時(shí)態(tài)。無新語法知識，復(fù)習(xí)基本句式及時(shí)態(tài)。 2建議以能力情感目標(biāo)為教學(xué)目標(biāo)的中心。建議以能力情感目標(biāo)為教學(xué)目標(biāo)的中心。 用英語辯論對于初三學(xué)生而言，由于詞匯量及思維能力用英語辯論對于初三學(xué)生而言，由于詞匯量及思維能力 的限制，操作起來有難度的限制，

2、操作起來有難度,因此，利用科學(xué)的方法把難度降因此，利用科學(xué)的方法把難度降 到最低，讓學(xué)生體驗(yàn)到辯論的過程及目的。到最低，讓學(xué)生體驗(yàn)到辯論的過程及目的。 涉及動(dòng)物保護(hù)、環(huán)境保護(hù)等話題，具有現(xiàn)實(shí)意義，容易涉及動(dòng)物保護(hù)、環(huán)境保護(hù)等話題，具有現(xiàn)實(shí)意義，容易 引起學(xué)生共鳴。引起學(xué)生共鳴。 3以課堂教學(xué)步驟為設(shè)計(jì)思路，把考試題型融入課堂教學(xué)當(dāng)以課堂教學(xué)步驟為設(shè)計(jì)思路，把考試題型融入課堂教學(xué)當(dāng) 中，突出實(shí)用性?？梢园严嚓P(guān)知識做復(fù)習(xí)。中，突出實(shí)用性。可以把相關(guān)知識做復(fù)習(xí)。單元特點(diǎn)分析單元特點(diǎn)分析教學(xué)目標(biāo)教學(xué)目標(biāo)（Teaching Aims）能力目標(biāo)能力目標(biāo)(Ability aim)： 培養(yǎng)學(xué)生的辯論交流及寫作

3、的能力。培養(yǎng)學(xué)生的辯論交流及寫作的能力。 情感目標(biāo)（情感目標(biāo)（Moral aim）：）： 熱愛動(dòng)物，保護(hù)環(huán)境，學(xué)會(huì)正確處理人與自熱愛動(dòng)物，保護(hù)環(huán)境，學(xué)會(huì)正確處理人與自然的關(guān)系。然的關(guān)系。語言目標(biāo)（語言目標(biāo)（Knowledge aim）：）： 復(fù)習(xí)基本句式、語態(tài)及詞匯。復(fù)習(xí)基本句式、語態(tài)及詞匯。課堂設(shè)計(jì)課堂設(shè)計(jì) Unit 15 Were trying to save the manatees!Brainstorming: About animalsAnimalsDescription wordssheepgentle; lovelyDo Activity 1a, 1bCheetahs:Fasts

4、pottedEagles:FastcruelDescribe animalsUseful language: 1. Its _. 2. Theyre _.Crocodiles:AggressivecruelNemo:Colorfulshybrave(in the movie)Polar bears:enormousaggressivefurryParrots:Beautifulnoisysharks:pandas:shygentleendangeredtigers:dolphins:(Plan 1) Group work Guessing game using the information

5、in Ex1e.g. A: I am like this animal because I am strong and intelligent. I like water, and I like to eat vegetables.B: Youre like an elephant.A: No.B: Youre like a manatee.A: Yes.be like像像一樣一樣like prep. like v.喜歡喜歡like to do sth 喜歡做某事喜歡做某事 What does Mary like? What is Mary like? What does Mary look

6、like? A. She is very tall and has long hair.B. She likes reading.C. She is outgoing. (B)(C ) (A) (Plan 2) Pair work What kind of animal do you like best?Useful language:1. I think that because2. I feel that3. I agree/disagree with you .Model:A: Weve just seen so many animals. What animals do you lik

7、e best?B: I like tigers best because they are so cool.A: I disagree with you. I always feel scared when I see them. I like to see birds.B: Is it true? They are too noisy. I dont love them.A: But I think they are very beautiful.A lovely animal- Manatee !1. Theyre gentle/ intelligent/ large.2. Live in

8、 the water under the trees in mangrove swamps (紅樹林紅樹林)3. Eat aquatic feed(水生植物）水生植物）4. Sometimes, a female manatee can feed its baby like a woman, so its called “mermaid” (美人魚美人魚) or “woman of the waves”.But now, they areCauses: 1. Some of the swamps have become polluted.2. There isnt enough food fo

9、r all of them.Ex: Listen to 2a and 2b of Section A32b Complete the chartKind of animal ManateeNumbers_ in the U.S.Habitattrees _ in mangrove swampsReason why they are endangeredswamps_ , not enough _Description_, three meters long, weighs 1,000 pounds2,500under waterpollutedfoodlarge1. What animals

10、are endangered now? Underline them . manatees, dogs, chicken, bears, pandas, manatees, dogs, chicken, bears, pandas, flies( flies(蒼蠅蒼蠅), tigers, bedbugs(), tigers, bedbugs(臭蟲臭蟲), parrots), parrots 2. 2. How to save the manatees and other endangered animals? Write some ways.(at least 3)Homework:Endan

11、gered animalsWays to save themManatees Lead-in: How to save the manatees?1. Protect the environment.2. Make laws to save the animals.3. Give them enough food.4. Build zoos to be their home.5. Debate : 背景背景：在我們這個(gè)地方?jīng)]有動(dòng)物園。如果：在我們這個(gè)地方?jīng)]有動(dòng)物園。如果 想觀看動(dòng)物，就想觀看動(dòng)物，就要走很遠(yuǎn)的路。為了保護(hù)動(dòng)物、開發(fā)旅游資源，也為了孩子們要走很遠(yuǎn)的路。為了保護(hù)動(dòng)物、開發(fā)旅游資源，

12、也為了孩子們學(xué)習(xí)成長的需要，政府計(jì)劃興建一個(gè)新的動(dòng)物園。但是這個(gè)計(jì)學(xué)習(xí)成長的需要，政府計(jì)劃興建一個(gè)新的動(dòng)物園。但是這個(gè)計(jì)劃遭到了一些人的反對。到底該不該建這個(gè)動(dòng)物園呢？政府決劃遭到了一些人的反對。到底該不該建這個(gè)動(dòng)物園呢？政府決定向市民征求意見。也許你的意見就會(huì)影響最終的決策。定向市民征求意見。也許你的意見就會(huì)影響最終的決策。Should a new zoo be built in our town?Is this a debate?A:A: I agree . I think its a great idea because the I agree . I think its a great

13、 idea because the zoo is an interesting place. zoo is an interesting place. B:B: No,no,no! You know, the zoo is a terrible place No,no,no! You know, the zoo is a terrible place for animals. You are too cruel just like a crocodile. for animals. You are too cruel just like a crocodile.A: A: How dare y

14、ou say that!How dare you say that! I think youre just like a flyI think youre just like a fly always making me disgusted. always making me disgusted.B:B:Im a fly? You, a bedbug!Im a fly? You, a bedbug!A:A:I hate you! (crying I hate you! (crying ) ) B:B:I hate you too!I hate you too! No!No!How to deb

15、ate?1. Choose your view. (確定論點(diǎn)）確定論點(diǎn)） Please read the following letters and find the main view of each letter. (SectionA 3a,3b) A: _ B: _ Agree to build a new zoo.Disagree to build a new zoo.2. Collect the factors to support your idea. （收集論據(jù)）（收集論據(jù)）Read the two letters again, and write down the key po

16、ints.Do a pairwork to discuss. A: (cons)_ B: (pros)_1. Zoos are terrible.2.Keep animals in cages.3. Eat food once a day. You can write something more here if you have!1. Zoos are important.2. living textbooks3. Educate the publicNow, choose one of them!3. Prepare your question to ask the other side.

17、 (Divide the Ss into groups of four. In one group, two of four students form a party to debate.) Question: _? Useful language: Could you tell me? Why do you think.? Do you think?Useful language:1. I think that2. I believe that3. I feel that4. I agree / disagree with you.5. Could you tell me? 6. I ag

18、ree with 7. Why do you think.?8. Do you think?4. Take turns to speak loudly and clearly. Try to make it convincing (令人信服）令人信服）. And then ask and answer the questions. (After this step, ask some groups to act out.) The result of a debate Should a new zoo be built in our town?Problem:Here is a real st

19、ory to help you.Enlarge your mind to finda good solutionfarmers and monkeyslive togethersteal angrybuild a real home for monkeyslook aftertry to help a famous tourist spotmonkeys happy life Monkeys : have a home and a happy life people: have new jobs and a new vacation spotGreat!Great!Solve this pro

20、blem:Should a new zoo be built in our town?Groupwork:Discuss in your group.You must :1. protect the animals 2.make children watch animals easily. Write your solution and give a report.Solution :_ In our group, we all agree that building the zoo is a good idea. If we have a zoo, we can watch the anim

21、als and learn to care them easily. While in the zoo the animals should be treated well. They shouldnt be put in the cages. They are supposed to berelaxed and free . After all , the zoo is the home for animals , not just for fun.Save the animals!Save the world!Save ourselves!How to protect the enviro

22、nment?(造句造句)You should do You could Wed better do You are supposed to I can do Dont forget to dostop riding in cars recycle books and paper turn off the lights when you leave a roomtake your own bags when shoppingride a bike stop using paper napkins 語言點(diǎn)解析語言點(diǎn)解析 動(dòng)詞語態(tài)的復(fù)習(xí)動(dòng)詞語態(tài)的復(fù)習(xí) 語態(tài)語態(tài)是表示主語與謂語的關(guān)系的。是表示主語與謂

23、語的關(guān)系的。 如果主語是動(dòng)作的執(zhí)行者，動(dòng)詞要用主動(dòng)語態(tài)如果主語是動(dòng)作的執(zhí)行者，動(dòng)詞要用主動(dòng)語態(tài) 之，如果主語是動(dòng)作的承受者，動(dòng)作就要使用之，如果主語是動(dòng)作的承受者，動(dòng)作就要使用 被動(dòng)語態(tài)。被動(dòng)語態(tài)。 (1) The naughty boy broke a glass yesterday. (主語主語“淘氣的男孩淘氣的男孩”發(fā)出發(fā)出“broken”broken”的動(dòng)作，是執(zhí)行者，的動(dòng)作，是執(zhí)行者， 因此用主動(dòng)語態(tài)因此用主動(dòng)語態(tài)) ) (2)A glass was broken by the naughty boy yesterday. ( (主語主語“玻璃玻璃”被被“砸碎砸碎”, , 是動(dòng)作的承

24、受者，用被動(dòng)語是動(dòng)作的承受者，用被動(dòng)語態(tài)態(tài)) ) 被動(dòng)語態(tài)的結(jié)構(gòu)：被動(dòng)語態(tài)的結(jié)構(gòu)：be + 動(dòng)詞的過去分詞動(dòng)詞的過去分詞 過去分詞沒有變化，所有的變化如人稱，數(shù)，時(shí)態(tài)的變化，都過去分詞沒有變化，所有的變化如人稱，數(shù)，時(shí)態(tài)的變化，都體現(xiàn)在助動(dòng)詞體現(xiàn)在助動(dòng)詞be變化上。變化上。(1) History is made by the people. 歷史是人民創(chuàng)造的。歷史是人民創(chuàng)造的。 （主語是第三人稱單數(shù)，用（主語是第三人稱單數(shù)，用is， by 后面加動(dòng)作的執(zhí)行者）后面加動(dòng)作的執(zhí)行者）(2) These new cars were made in Tianjin in 1994. 這些新車是這些新車

25、是19941994年在天津生產(chǎn)的。年在天津生產(chǎn)的。 （主語是第三人稱復(fù)數(shù)，時(shí)態(tài)為一般過去時(shí)，因此用（主語是第三人稱復(fù)數(shù)，時(shí)態(tài)為一般過去時(shí)，因此用were）(3) Li Ming will be asked to attend the lecture. 李明將被邀請參加講座。李明將被邀請參加講座。 （一般將來時(shí)的被動(dòng)語態(tài)，（一般將來時(shí)的被動(dòng)語態(tài)， 用用will be）(4) A new railway is being built. 一條新鐵路正在修建。一條新鐵路正在修建。 ( (主語是第三人稱單數(shù)，現(xiàn)在進(jìn)行時(shí)的被動(dòng)語態(tài)，主語是第三人稱單數(shù)，現(xiàn)在進(jìn)行時(shí)的被動(dòng)語態(tài)， 用用is being) 被動(dòng)語

26、態(tài)的否定及疑問句被動(dòng)語態(tài)的否定及疑問句(主動(dòng)句主動(dòng)句)The students clean the classroom everyday. (被動(dòng)句）被動(dòng)句） The classroom is cleaned (by the students) every day. (被動(dòng)語態(tài)的否定句）被動(dòng)語態(tài)的否定句）The classroom isnt cleaned every day. (被動(dòng)語態(tài)的一般疑問句）被動(dòng)語態(tài)的一般疑問句） Is the classroom cleaned every day? Yes, it is. 一些被動(dòng)語態(tài)的固定句式一些被動(dòng)語態(tài)的固定句式Its reported th

27、at 據(jù)報(bào)道據(jù)報(bào)道Its believed that 大家相信大家相信Its thought that 大家認(rèn)為大家認(rèn)為Its said that 據(jù)說據(jù)說It is known that 眾所周知眾所周知It has been decided that大家決定大家決定 e.g. Its said there will be an exam soon. 據(jù)說，很快就要考試了。據(jù)說，很快就要考試了。Were trying to save the manatees.我們正在努力挽救海牛。我們正在努力挽救海牛。try to do 努力做努力做e.g. I tried hard not to laug

28、h. 我極力忍住不笑我極力忍住不笑。try doing 試做試做 e.g. If the car wont start, try pushing it. 如果這車發(fā)動(dòng)不了，試著推一推它。如果這車發(fā)動(dòng)不了，試著推一推它。 like 介詞，像，同介詞，像，同.一樣一樣 She is very like her mother. 她很像她的母親她很像她的母親 look like 看上去像（著重指外貌）看上去像（著重指外貌） He looks like an athlete.他看上去像個(gè)運(yùn)動(dòng)員。他看上去像個(gè)運(yùn)動(dòng)員。 對比：對比：take after 與與相象相象 （指性格、外貌像自己的父母（指性格、外貌

29、像自己的父母） I take after my mother. We are all outgoing. like v.喜歡喜歡 like sth My little likes ice-cream very much. like doing sth. I used to liked reading, but now I like playing soccer. like to do sth. I like to go trekking on next vacation.比較比較used to do, used to doing, be used to do (1) used to do 過去

30、常常做某事過去常常做某事（而現(xiàn)在不做了）（而現(xiàn)在不做了） We used to help him a lot when he first came here. 他剛來的時(shí)候我們經(jīng)常給他幫助。他剛來的時(shí)候我們經(jīng)常給他幫助。 Did you use to see each other? 你們以前經(jīng)常見面嗎？你們以前經(jīng)常見面嗎？ (2) be used to +名名/動(dòng)名詞動(dòng)名詞 表示習(xí)慣于某事，表示習(xí)慣于某事，習(xí)慣于做習(xí)慣于做某某 事，有時(shí)寫成事，有時(shí)寫成become used to意為漸漸習(xí)慣意為漸漸習(xí)慣 Im really not used to such dry weather. 我實(shí)在不習(xí)

31、慣這樣干燥的天氣。我實(shí)在不習(xí)慣這樣干燥的天氣。 (3) be used to do sth 被用來做某事，被用來做某事，be used 是被動(dòng)語態(tài)是被動(dòng)語態(tài) This room is used to have dinners. 這個(gè)房間用來吃飯的。這個(gè)房間用來吃飯的。There used to be a lot of manatees. 從前有大量的海牛。從前有大量的海牛。 against prep. 反對反對 They are strongly against the idea. 他們強(qiáng)烈反對這個(gè)主意。他們強(qiáng)烈反對這個(gè)主意。 for prep. 贊同，支持，同意贊同，支持，同意 Im all

32、 for the young enjoying themselves. 我完全贊同年輕人多一些娛樂。我完全贊同年輕人多一些娛樂。 I am writing to say that I am against building a new zoo in our town.我寫信是想說我反對在我們城市建一個(gè)新的動(dòng)物園。我寫信是想說我反對在我們城市建一個(gè)新的動(dòng)物園。Ive visited a lot of zoos in my life, and I have never seen one I liked or that was suitable for animals to live in. 我一生

33、中參觀過許多動(dòng)物園，從未見到一我一生中參觀過許多動(dòng)物園，從未見到一個(gè)我喜歡的或適合動(dòng)物居住的。個(gè)我喜歡的或適合動(dòng)物居住的。 1）one I liked or that was是是定語從句定語從句， one 為先行詞為先行詞，that是關(guān)系代詞。是關(guān)系代詞。 2) be suitable for 合適的，適宜的合適的，適宜的 Is she suitable for the monitor? 她適合做班長嗎？她適合做班長嗎？ 3) for animals to live in 中，中， 注意：介詞注意：介詞in不能省略。不能省略。The animals are kept in tiny cages

34、 and can hardly move at all.(1) keep 使保持使保持 keep+賓賓+adj./adv./ prep. This coat will keep you warm. 這件外衣會(huì)使你溫暖的。這件外衣會(huì)使你溫暖的。 The illness kept her in hospital. 她因病住在醫(yī)院里。她因病住在醫(yī)院里。 keep doing sth. 繼續(xù)做下去繼續(xù)做下去 Keep walking until you reach the traffic lights. 你一直往前走，你一直往前走，直到紅綠燈為止。直到紅綠燈為止。(2) hardly adv. 幾乎不

35、，幾乎不， 是個(gè)否定詞。是個(gè)否定詞。 You can hardly hear the music, can you? （注意：反意疑問句用肯定形式）（注意：反意疑問句用肯定形式） “hardly when” 表示表示“剛一剛一就就”通常前一分句用過去完通常前一分句用過去完成成 時(shí)，后一分句用一般過去時(shí)。時(shí)，后一分句用一般過去時(shí)。I had hardly finished one thing when he told me to do another. 我剛做完一件事，他就叫我做另一件事。我剛做完一件事，他就叫我做另一件事。I was very surprised to find hardly

36、anyone there.我很驚訝幾乎沒人在那兒。我很驚訝幾乎沒人在那兒。be surprised (to do sth.)（對某事）感到驚奇的（對某事）感到驚奇的 I was surprised at her reaction. 我對她的反應(yīng)感到吃驚。我對她的反應(yīng)感到吃驚。 We were surprised to learn that he was French. 獲知他是法國人，我們很吃驚。獲知他是法國人，我們很吃驚。surprising a. (某事或物某事或物)讓人吃驚的讓人吃驚的 It was a surprising trip for her. 對她來說，這是一次讓人吃驚的旅行。

37、對她來說，這是一次讓人吃驚的旅行。They provide homes for many endangered animals, and help to educate the public about caring for them.我們?yōu)闉l危動(dòng)物們提供住所，并我們?yōu)闉l危動(dòng)物們提供住所，并教育公眾照顧他們。教育公眾照顧他們。provide sth for sb / provide sb with sth 把某物提供給某人把某物提供給某人These letters should provide us with all the information we need.這些信應(yīng)該為我們提供所需的全

38、部信息。這些信應(yīng)該為我們提供所需的全部信息。If we dont support our zoos, they wont have enough money to take care of so many fine animals. 如果我們不支持動(dòng)物園，他們就不會(huì)有足夠的前來照顧這么多美麗的動(dòng)物。(1) enough adj./adv. 足夠的，用在可數(shù)名詞復(fù)數(shù)或不可數(shù)名詞前，形容詞的后面。 enough money / people / chairs 足夠的錢/人/椅子 Are you sure he is old enough? 你確定他的年紀(jì)夠大嗎？(2) take care of /

39、 look after / care for 意思都是“照顧、照料”hear/ hear of (about)/ hear fromhear 聽見,聽到 后面可以接名詞、代詞+ 分詞結(jié)構(gòu)或動(dòng)詞原形。 hear和 hear of 都可以解做“聽說”， hear 后面接賓語從句，hear of (about) 接名詞、代詞或動(dòng)名詞。 I heard him just now. 我剛才聽到他說話。 I have heard of him. 我聽人提到過他。 I heard him singing in the next room. 我聽見他在隔壁房間里唱歌。hear from 意為“收到的信”，“得

40、到的消息”from后面加表示人的名詞或代詞。 How often do you hear from your father? 你每隔多久收到你父親的來信？be made of / be made from/ be made in / be made bybe made of 意為意為“ “ 由由原材料制成原材料制成”，主語為制成品，而且能看主語為制成品，而且能看出原材料，出原材料， of of后面接表示原材料的名詞。后面接表示原材料的名詞。This jacket is made of cotton. 這件上衣是棉花做的。這件上衣是棉花做的。be made from 意思也是意思也是“由由制成制

41、成”但制成品不能看出原材料。但制成品不能看出原材料。Paper is made from wood. 紙是由木頭制成的。紙是由木頭制成的。be made in 表示某一產(chǎn)品在某地生產(chǎn)或制造表示某一產(chǎn)品在某地生產(chǎn)或制造，in in后面跟表示地點(diǎn)的后面跟表示地點(diǎn)的名詞。名詞。Trains are made in Zhuzhou. 火車是株州制造的?；疖囀侵曛葜圃斓摹e made by 意為意為“由（誰）制造的由（誰）制造的”， by by 后面接動(dòng)作的執(zhí)行者。后面接動(dòng)作的執(zhí)行者。The desk was made by his brother.這張桌子是他弟弟做的。這張桌子是他弟弟做的。What

42、 does Amy do in her spare time? 在她業(yè)余時(shí)間她做什么呢？在她業(yè)余時(shí)間她做什么呢？(1)spare adj. 空閑的，多余的空閑的，多余的 in ones spare time 在某人空閑的時(shí)候在某人空閑的時(shí)候(2) spare v. 讓給，騰出讓給，騰出 Can you spare me five minutes? 你能騰出五分鐘和我談?wù)剢?？你能騰出五分鐘和我談?wù)剢幔縜gree 的用法(1) 用于簡短回答中用于簡短回答中“同意同意”或或“贊成贊成”。 Chocolate is good for your health. Do you agree? 巧克力對身體有

43、好處，你認(rèn)為呢？巧克力對身體有好處，你認(rèn)為呢？ Yes, I agree. / No, I dont agree. 是的，我覺得是。是的，我覺得是。/ 不，我不同意。不，我不同意。(2) agree with sb./sb.s idea/ sb.s view 同意某人，同意某人的觀點(diǎn)、想法、主意同意某人，同意某人的觀點(diǎn)、想法、主意(3) agree to do sth 同意去做某事同意去做某事 I agree to ask someone for help. 我同意向別人求助。我同意向別人求助。(4) agree to sth 贊成某個(gè)建議、安排等贊成某個(gè)建議、安排等 He agreed to

44、 your suggestion. 他贊成你的建議。他贊成你的建議。(5) agree on sth. 在在方面達(dá)成一致方面達(dá)成一致 We agree on a price for the car. 我們就車價(jià)達(dá)成一致意見。我們就車價(jià)達(dá)成一致意見。(6) agree that+從句從句 Toms mother agree that he went on with his study. (7) disagree 不同意，意見不和不同意，意見不和and sell them to raise money for the Childrens Hospital. 賣掉它們?yōu)閮和t(yī)院籌款。賣掉它們?yōu)閮和t(yī)

45、院籌款。(1)raise v. 召集，籌集召集，籌集 The king raised an army. 國王召集起一支軍隊(duì)。國王召集起一支軍隊(duì)。(2)raise v. 撫育，飼養(yǎng)撫育，飼養(yǎng) They raise horses. 他們養(yǎng)馬。他們養(yǎng)馬。(3)raise v. 提高提高 He raised the lid of the box. 他提起了盒子蓋。他提起了盒子蓋。 聽力原文聽力原文Section A 1bBoy: Hey, Ginny. Whats that big, furry animal in the pond?Girl: Its a polar bear, Victor. Th

46、eyre kind of aggressive.Boy: Are they? Looks like they really love water.Girl: Uh-huh.Boy: And what do you call those big, gray things in the water?Girl: Theyre called manatees.Boy: What?Girl: Manatees. They are very gentle and shy.Boy: Oh. And how about the yellow and black spotted animals in that

47、cage?Girl: Theyre cheetahs. The Cheetahs is the fastest animals on earth.Section A 2a&2bBoy: Can you tell us about the manatees, please?Man: Sure. Were trying to save them.Boy: Why? Are they endangered?Man: Yes. There used to be a lot of manatees, but now there arent very many of them.Boy: Do you know how many there are?Man: At this point, there are only about 2,500 in the U.S. In 1972, i