1、Unit 13需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Unit 13需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) -Unit 13Were trying to save the earth!需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Unit 13需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) -Section A 3Grammar Focus-4c需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Section A 3需要更完整的資源請(qǐng)到 新世紀(jì)教Revision 不同種類的污染2. 河底3. 把垃圾扔到河里4. 在中起作用different kinds of pollutionthe bottom of the rivert

2、hrow rubbish into the riverplay a part inI. Check if you know these phrases.需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Revision 不同種類的污染different kind5. 在中國(guó)南部6. 對(duì)有害7. 在頂部8. 海洋生態(tài)系統(tǒng)in southern Chinabe harmful to at the top ofthe oceans ecosystem需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 5. 在中國(guó)南部in southern Chinabe haII. Translation.1. 甚至河底都滿是垃圾。2.

3、 這個(gè)方法不僅殘酷還對(duì)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.需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - II. Translation.1. 甚至河底都滿是垃圾。E3. 鯊魚處于海洋食物鏈的頂部。4. 許多人相信魚翅對(duì)健康有好處。Sharks are at the top of the food chain in the oceans ecosystem.A lot of people belie

4、ve that sharks fins are good for health.需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 3. 鯊魚處于海洋食物鏈的頂部。Sharks are at 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

5、 help save the sharks.Present progressiveused toPassive voicePresent perfectGrammar FocusModal verbs需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Pay attention to the sentences現(xiàn)在進(jìn)行時(shí): Present progressive結(jié)構(gòu): be (am/is/are) + v.-ing標(biāo)志詞：Look, Listen, now, right nowe.g. Look! The boy is crying.定義：表示說(shuō)話時(shí)(瞬間)正在進(jìn)行的動(dòng)作, 也表示目前或現(xiàn)階段正在進(jìn)行的動(dòng)

6、作。 需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 現(xiàn)在進(jìn)行時(shí): Present progressive結(jié)構(gòu): What a fine day today! Look! What are they doing?Exercise需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - What a fine day today! Exercisused to do sth. 表示過(guò)去常常做某事, 而現(xiàn) 在往往不做了, 后接動(dòng)詞原 形。be used to doing sth. 表示習(xí)慣于做某事e.g. I used to get up at six oclock. Joe is used to drinking a c

7、up of coffee every morning.used to do與be used to doing需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - used to do sth. 表示過(guò)去常常做某事, 而現(xiàn) Translation.1. 她過(guò)去常常周末和朋友閑逛。 She used to hang out with friends on weekends.2. 他習(xí)慣晚睡。 He is used to staying up.Exercise需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Translation.Exercise需要更完整的資源請(qǐng)到被動(dòng)語(yǔ)態(tài)：Passive voice定義：表示主語(yǔ)是動(dòng)作

8、的承受者，即行 為動(dòng)作的對(duì)象的一種語(yǔ)態(tài)。結(jié)構(gòu)：be + 過(guò)去分詞e.g. A new school was built last year. Our classroom is cleaned every day.需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 被動(dòng)語(yǔ)態(tài)：Passive voice定義：表示主語(yǔ)是動(dòng)作的承Translate the sentences by using Passive voice.1. 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(jī)器工作。The museum was visited by some old people just now. Different

9、kinds of machines are used to work by the workers. Exercise需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Translate the sentences by usi結(jié)構(gòu): has/have + 過(guò)去分詞標(biāo)志詞：already, yet, ever, never, since, fore.g. I havent finished my homework yet.定義：表示動(dòng)作已經(jīng)完成, 但對(duì)現(xiàn)在造成影 響; 或者表示從過(guò)去某一時(shí)間開(kāi)始一 直延續(xù)到現(xiàn)在并還可能持續(xù)下去的 動(dòng)作。 現(xiàn)在完成時(shí): Present perfect需要更完整的資源請(qǐng)到

10、新世紀(jì)教育網(wǎng) - 結(jié)構(gòu): has/have + 過(guò)去分詞定義：表示動(dòng)作已經(jīng)完Complete the following sentences. I _ (be) in Beijing for two years.2. I _ never _ (hear) of that man before.3. Tom _ (work) there since two years ago.have beenhaveheard has workedExercise需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Complete the following sentenc4. The twins _ (wash) th

11、e clothes for an hour.5. He _ (play) basketball since three years ago.6. How long _ Sally _ (sing) yet?have washedhas playedhassung需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 4. The twins _ (wash1. 情態(tài)動(dòng)詞本身有一定的詞義, 表示說(shuō)話人的情緒、態(tài)度或語(yǔ)氣, 但不能單獨(dú)作謂語(yǔ), 只能與其他動(dòng)詞構(gòu)成謂語(yǔ)。常見(jiàn)的有: can (could), may (might), must, need, shall (should), will (would)等。

12、情態(tài)動(dòng)詞需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 1. 情態(tài)動(dòng)詞本身有一定的詞義, 表示說(shuō)話人的情緒、態(tài)度或語(yǔ)2. 情態(tài)動(dòng)詞無(wú)人稱和數(shù)的變化, 后接動(dòng)詞原形。否定式是在情態(tài)動(dòng)詞后面加not。個(gè)別情態(tài)動(dòng)詞有過(guò)去式形式, 可用來(lái)表達(dá)更加客氣、委婉的語(yǔ)氣。 e.g. 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.需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 2. 情態(tài)動(dòng)詞無(wú)人稱

13、和數(shù)的變化, 后接動(dòng)詞原形。否定式是在情Translation.1. 我們不能在教室里吃東西。2. 首先你必須完成作業(yè)。3. 他現(xiàn)在不可能在家。4. 她一定知道這個(gè)問(wèn)題的答案。ExerciseWe 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.需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Translation.ExerciseWe cant e1. When Tim _ why he w

14、as late for school, he just kept silent. (2014 河南)A.was asked B. asked C. was asking D. is asked 2. Are you surprised at the ending of the movie? No, because I _ the story. A.read B. will read C. have read D. was reading (2014 浙江寧波)中考鏈接AC需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 1. When Tim _ why he w3. Someone _ at the

15、door. Can you open it? (2014 河北)A.knocks B. knocked C. is knocking D. was knocking 4. Children _ sit in the front seat of a car. Its too dangerous. (2014 重慶)A.need B. neednt C. must D. mustntCD需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 3. Someone _ at the do5. Is that girl Susan？ It _ be her. She left for Beijing yesterda

16、y. (2013 福建福州)A.neednt B. cant C. mustnt B需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 5. Is that girl Susan？B需要更完整的4aFill in the 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)

17、the biggest clean-up project this city _ ever _ (have).Have takenhelpedconsideredhadhad參加需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 4aFill in the blanks with the Joe: How many 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) t

18、o improve the environment.Eric: Yes, we cant afford to _ (wait) any longer to take action!tookthinkcametryingwaitv. 承擔(dān)得起(后果); 買得起需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - Joe: How many people _ (tak4bFill in the blanks with the appropriatemodal verbs from the box.People _ think that big things_ be done to save the earth.

19、 Many forget that saving the earth begins with small things. For example, you _ savemay/mightmust/ have tocan/ could/ shouldcan would could have to should must may/ might需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 4bFill in the blanks with the electricity by turning off the lights when you leave a room. You _ also use reus

20、able 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 could/ can/ shouldhave to can/should/ couldcan/couldreusable adj.可重復(fù)使用的pay

21、 for 付費(fèi); 付出代價(jià)需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - electricity by turning off thesmall things _ add up and become big things that _ improve the environment. Lets take action now!can/ couldwould/can/ could采取行動(dòng)需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - small things _ add up4cMake a list of things that people can do to help the environment an

22、d discuss your list with your partner.use public transportation (n.交通運(yùn)輸);turn 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 (n. 餐巾紙);recycle books and paper需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 4cMake a list of things t

23、hat pDiscussionI think that everyone should use public transportation.I disagree. Its difficult for parents with young children to use public transportation需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - DiscussionI think that everyon1. We cant afford to wait any longer to take action! afford v. 承擔(dān)得起; 提供, 給予 afford to do sth. (常與can, be able to連用) 買得起; 有足夠的e.g. We cant afford to pay such a price. 我們付不起這個(gè)價(jià)錢。 Dancing affords us pleasure. 跳舞給我們帶來(lái)快樂(lè)。需要更完整的資源請(qǐng)到 新世紀(jì)教育網(wǎng) - 1. We cant afford to wait any【鏈接】afford & buyafford側(cè)重“有經(jīng)濟(jì)能力買”，而b