《浙江省紹興縣楊汛橋鎮(zhèn)中學(xué)九年級英語全冊《Unit 13 We’re trying to save the earth》（Section A 1）課件 （新版）人教新目標版》由會員分享，可在線閱讀，更多相關(guān)《浙江省紹興縣楊汛橋鎮(zhèn)中學(xué)九年級英語全冊《Unit 13 We’re trying to save the earth》（Section A 1）課件 （新版）人教新目標版（31頁珍藏版）》請在裝配圖網(wǎng)上搜索。

1、1. 不同種類的污染不同種類的污染2. 河底河底3. 把垃圾扔到河里把垃圾扔到河里4. 在在中起作用中起作用different kinds of pollutionthe bottle of the riverthrow rubbish into the riverplay a part in I. Check if you know these phrases.5. 在中國南部在中國南部6. 對對有害有害7. 在在頂部頂部8. 海洋生態(tài)系統(tǒng)海洋生態(tài)系統(tǒng)in southern Chinabe harmful to at the top ofthe oceans ecosystemII. Tra

2、nslate the sentences.1. 甚至是河底都滿是垃圾。甚至是河底都滿是垃圾。2. 這個方法不僅殘酷還對環(huán)境有害。這個方法不僅殘酷還對環(huán)境有害。Even the bottom of the river was full of rubbish.This method is not only cruel, but also harmful to the environment.3. 鯊魚處于海洋食物鏈的頂部。鯊魚處于海洋食物鏈的頂部。4. 許多人相信魚翅對健康有好處。許多人相信魚翅對健康有好處。Sharks are at the top of the food chain in th

3、e oceans ecosystem.A lot of people believe that sharks fins are good for health.Pay 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.5. We should help save

4、 the sharks.Present progressiveused toPassive voicePresent perfectModal verbs現(xiàn)在進行時現(xiàn)在進行時: : Present Progressive結(jié)構(gòu)結(jié)構(gòu): be (am/is/are) + v.-ing標志詞：標志詞：Look, Listen, now, right nowe.g. Look! The boy is crying.定義：定義：表示說話時表示說話時(瞬間瞬間)正在進行正在進行的動作的動作, 也表示目前或現(xiàn)階也表示目前或現(xiàn)階段正在進行的動作。段正在進行的動作。 What a fine day today!

5、Look! What are they doing?used to do sth. 表示過去常常做某事表示過去常常做某事, 而而現(xiàn)現(xiàn) 在往往不做了在往往不做了, 后接動詞原后接動詞原 形。形。be used to doing sth. 表示習(xí)慣于做某表示習(xí)慣于做某事事e.g. I used to get up at six oclock. Joe is used to drinking a cup of coffee every morning.used to do與與be used to doingTranslation.1. 她過去常常周末和朋友閑逛。她過去常常周末和朋友閑逛。 She u

6、sed to hang out with friends on weekends.2. 他習(xí)慣于每天晚上睡得很晚。他習(xí)慣于每天晚上睡得很晚。 He is used to staying up.被動語態(tài)：被動語態(tài)：Passive voice定義：定義：表示主語是動作的承受者，即行表示主語是動作的承受者，即行 為動作的對象的一種語態(tài)。為動作的對象的一種語態(tài)。結(jié)構(gòu)：結(jié)構(gòu)：be + 過去分詞過去分詞e.g. A new school was built last year. Our classroom is cleaned every day.Translate the sentences by us

7、ing Passive voice.1. 剛才一些老年人參觀了博物館。剛才一些老年人參觀了博物館。2. 工人們使用不同種類的機器工作。工人們使用不同種類的機器工作。The museum was visited by some old people just now. Different kinds of machines are used to work by the workers. 結(jié)構(gòu)結(jié)構(gòu): has/have + 過去分詞過去分詞標志詞：標志詞：already, yet, ever, never, since, fore.g. I havent finished my homework

8、yet.定義：定義：表示動作已經(jīng)完成表示動作已經(jīng)完成, 但對現(xiàn)在造成影但對現(xiàn)在造成影 響響; 或者表示從過去某一時間開始一或者表示從過去某一時間開始一 直延續(xù)到現(xiàn)在并還可能持續(xù)下去的直延續(xù)到現(xiàn)在并還可能持續(xù)下去的 動作。動作。 現(xiàn)在完成時現(xiàn)在完成時: Present PerfectComplete the following sentences.1. I _ (be) in Beijing for two years.2. I _ never _ (hear) of that man before.3. Tom _ (work) there since two years ago.have b

9、eenhaveheard has worked4. The twins _ (wash) the clothes for an hour.5. He _ (play) basketball since three years ago.6. How long _ Sally _ (sing) yet?have washedhas playedhassung1. 情態(tài)動詞本身有一定的詞義情態(tài)動詞本身有一定的詞義, 表示說表示說話人的情緒、態(tài)度或語氣話人的情緒、態(tài)度或語氣, 但不能單但不能單獨作謂語獨作謂語, 只能與其他動詞構(gòu)成謂語。只能與其他動詞構(gòu)成謂語。常見的有常見的有: can (could)

10、, may (might), must, need, shall (should), will (would)等。等。情態(tài)動詞情態(tài)動詞2. 情態(tài)動詞無人稱和數(shù)的變化情態(tài)動詞無人稱和數(shù)的變化, 后接動詞原形。后接動詞原形。否定式是在情態(tài)動詞后面加否定式是在情態(tài)動詞后面加not。個別情態(tài)。個別情態(tài)動詞有過去式形式動詞有過去式形式, 可用來表達更加客氣、可用來表達更加客氣、委婉的語氣。委婉的語氣。 e.g. Ken can climb up the tress like a koala. Tracy could ride a bicycle when she was five years old.

11、You mustnt play with fire. It is dangerous.Translation.1. 我們不能在教室里吃東西。我們不能在教室里吃東西。2. 首先你必須完成作業(yè)。首先你必須完成作業(yè)。3. 他現(xiàn)在不可能在家。他現(xiàn)在不可能在家。4. 她一定知道這個問題的答案。她一定知道這個問題的答案。We cant eat in the classroom. You must finish your homework first. He cant be at home now. She must know the answer to this question.4aFill in th

12、e blanks with the correct forms of the verbs in brackets.Joe: _ you ever _ (take) part in an environmental project ?Eric: Yes, I have. I _ (help) with a Clean-Up Day last year. It was _ (consider) the biggest clean-up project this city _ ever _ (have).Have takenhelpedconsideredhadhad參加參加Joe: How man

13、y people _ (take) part?Eric: 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.Eric: Yes, we cant afford to _ (wait) any longer to take action!tookthinkcametryingwaitv. 承擔(dān)得起承擔(dān)得起( (后果后果) ); 買得起買得起4bFill in

14、 the blanks with the appropriatemodal verbs from the box.People _ think that big things_ be done to save the earth. Many forget that saving the earth begins with small things. For example, you _ savemay/mightmustcancan would couldhave to should mustmay/ mightelectricity by turning off the lights whe

15、n you leave a room. You _ also use reusable bags instead of plastic bags. I think 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 couldhave to can/shouldcan/could關(guān)掉關(guān)

16、掉adj.可重復(fù)使用的可重復(fù)使用的付費付費;付出代價付出代價small things _ add up and become big things that _ improve the environment. Lets take action now!couldwould/can采取行動采取行動4cMake a list of things that people can do to help the environment and discuss your list with your partner.use public transportation (n.交通運輸交通運輸);turn

17、off the lights when you leave a room;use reusable bags instead of plastic bags;ride your bike or walk to school or work;stop using paper napkins(餐巾紙餐巾紙);recycle books and paperI think that everyone should use public transportation.I disagree. Its difficult for parents with young children to use publ

18、ic transportation1. We cant afford to wait any longer to take action! afford v. 承擔(dān)得起承擔(dān)得起; 提供提供, 給予給予 afford to do sth. (常與常與can, be able to連用連用) 買得起買得起; 有足夠的有足夠的e.g. We cant afford to pay such a price. 我們付不起這個價錢。我們付不起這個價錢。 Dancing affords us pleasure. 跳舞給我們帶來快樂。跳舞給我們帶來快樂。2. save electricity by turni

19、ng off the lights when you leave a room. turn off 關(guān)掉關(guān)掉 e.g. Please turn the television off before you go to bed. 睡覺前請關(guān)掉電視。睡覺前請關(guān)掉電視。turn around 轉(zhuǎn)身轉(zhuǎn)身 turn up 調(diào)高調(diào)高(音量音量)turn down 調(diào)低調(diào)低; 拒絕拒絕turn into 變成變成; 進入進入 turn on 打開打開, 發(fā)動發(fā)動 turn off 關(guān)掉關(guān)掉, 關(guān)閉關(guān)閉turn out to be 結(jié)果是結(jié)果是turn over 移交移交拓展拓展: turn相關(guān)短語相關(guān)短語Finish the exercises in the workbook.