九年級英語 UnitSection AacPPT學(xué)習(xí)教案

1、會計學(xué)1九年級英語九年級英語 Unit Section Aac1. 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.第1頁/共45頁in southern Chinabe harmful to at the top ofthe oceans ecosystem第2頁/共45頁II. Tr

2、anslate 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.第3頁/共45頁Sharks are at the top of the food chain in the oceans ecosystem.A lot of people believe that sha

3、rks fins are good for health.第4頁/共45頁take part inaffordturn offreusablepay fortake actiontransportation參加參加v. 買的起；承擔(dān)的起買的起；承擔(dān)的起（后果）（后果）關(guān)掉關(guān)掉adj. 可重復(fù)使用的可重復(fù)使用的付費；付出代價付費；付出代價采取行動采取行動n. 運輸業(yè)；交通運輸運輸業(yè)；交通運輸Words Review第5頁/共45頁辨析：辨析：join, join in 和和take part in tojoin加入組織，團體，黨派等，有加入組織，團體，黨派等，有作為其中的一個成員的含義作為其中的

4、一個成員的含義;后面也可以加表示人的名詞，后面也可以加表示人的名詞，表示和某人一起參加某活動表示和某人一起參加某活動join in 加入一種具體活動。加入一種具體活動。take part in指參加會議或群眾性活動等，指參加會議或群眾性活動等，著重說明句子主語參加該項活著重說明句子主語參加該項活動并在活動中發(fā)揮作用。動并在活動中發(fā)揮作用。第6頁/共45頁Will you join us in the discussion? 你參加我們的討論嗎？你參加我們的討論嗎？ She joined the Young Pioneers. 她加入了少先隊。她加入了少先隊。 Why didnt you joi

5、n in the talk last night? 昨晚你為什么沒參加座談？昨晚你為什么沒參加座談？Did you take part in the sports meet? 你參加運動會了嗎？你參加運動會了嗎？第7頁/共45頁 afford是動詞，是動詞，意為意為“買得起買得起,擔(dān)負(fù)得起擔(dān)負(fù)得起”，通常與通常與can, could, be able to連用連用,多多用于否定句用于否定句中。中。They couldnt afford $50 for a ticket. 他們拿不他們拿不出出50美元買一張票。美元買一張票。 afford后面常跟帶后面常跟帶to的動詞不定式。的動詞不定式。We

6、cant afford to go abroad this summer. 今今年夏天我們沒有足夠的錢出國。年夏天我們沒有足夠的錢出國。例句：例句：Miss Taylor never wastes money on anything too expensive, even though she can _to. She has donated much of the money she saved to charities. A. affordB. allow C. remind D. payafford第8頁/共45頁good for health.5. We should help sav

7、e the sharks.Present progressiveused toPassive voicePresent perfectModal verbs第9頁/共45頁現(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(biāo)志詞：標(biāo)志詞：Look, Listen, now, right nowe.g. Look! The boy is crying.定義：表示說話時(瞬間)正在進行的動作, 也表示目前或現(xiàn)階段正在進行的動作。 第10頁/共45頁used to do與與be used to doing第11頁/共45頁第1

8、2頁/共45頁被動語態(tài)：被動語態(tài)：Passive voice定義：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)。結(jié)構(gòu)：be + 過去分詞e.g. A new school was built last year. Our classroom is cleaned every day.第13頁/共45頁The museum was visited by some old people just now. Different kinds of machines are used to work by the workers. 第14頁/共45頁結(jié)構(gòu)結(jié)構(gòu): has/have + 過去分詞過去

9、分詞標(biāo)志詞：標(biāo)志詞：already, yet, ever, never, since, fore.g. I havent finished my homework yet.定義：表示動作已經(jīng)完成, 但對現(xiàn)在造成影 響; 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 動作。 現(xiàn)在完成時: Present Perfect第15頁/共45頁Complete the following sentences.1. I _ (be) in Beijing for two years.2. I _ never _ (hear) of that man before.3. Tom _ (wor

10、k) there since two years ago.have beenhaveheard has worked第16頁/共45頁4. The twins _ (wash) the clothes for an hour.5. He _ (play) basketball since three years ago.6. How long _ Sally _ (sing) yet?have washedhas playedhassung第17頁/共45頁情態(tài)動詞情態(tài)動詞第18頁/共45頁第19頁/共45頁We cant eat in the classroom. You must fini

11、sh your homework first. He cant be at home now. She must know the answer to this question.第20頁/共45頁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 _ (co

12、nsider) the biggest clean-up project this city _ ever _ (have).Have takenhelpedconsideredhadhad參參加加第21頁/共45頁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) to improve the environment.Eric:

13、 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) ); 買得起買得起第22頁/共45頁4bFill in 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 thi

14、ngs. For example, you _ savemay/mightmustcancan would couldhave to should mustmay/ might第23頁/共45頁electricity by turning off the lights when 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

15、 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)關(guān)掉掉adj.可重復(fù)使用的可重復(fù)使用的付費付費;付出代價付出代價第24頁/共45頁couldwould/can采取行動采取行動第25頁/共45頁4cA: I think that everyone should use public transportation.B: I disagree. Its difficult for

16、 parents with young children to use public transportation.use public transportation.第26頁/共45頁use public transportationtake your own shopping bags when go shoppingreduce the use of air conditioners in summerturn off the lights when you leave the roomgrow more plants.第27頁/共45頁A: I think that everyone

17、should take your own shopping bags when go shopping.B: I agree. Its good for the environment. 第28頁/共45頁A: I think that everyone should reduce the use of air conditioners in summer.B: I disagree. The summer is so hot, especially in south China. Without air conditioners, people may not have the patien

18、ce to work.第29頁/共45頁A: I think that everyone should turn off the lights when you leave the room.B: I agree. Its good to save energy resources.第30頁/共45頁A: I think that everyone should use public transportation.B: I disagree. Its difficult for parents with young children to use public transportation.第

19、31頁/共45頁A: I think that everyone should grow more plants.B: I agree. Growing more plants will provide us more fresh air and make our planet more beautiful. 第32頁/共45頁練習(xí)題練習(xí)題第33頁/共45頁nothing serious. A.cant B.mustnt C. neednt D. wont第34頁/共45頁 A.musnt B.may not C.cant D.neednt第35頁/共45頁_?used to hang out

20、is used to sleeping late/ staying upDid Ken use to be afraid of dogs第36頁/共45頁Writer”.A. is regarded B. has regarded C. is regarding D. regardsChoose the best answer.第37頁/共45頁 A. can B. may C. need D. must第38頁/共45頁第39頁/共45頁1. (2013江蘇淮安) Its getting dark. Please _ the light. A. turn on B. turn off C. turn down D. turn around2. (2013湖北隨州)How does Jack usually go to work?He _ drive a car, but now he _ there to lose weight.A. used to; is used to walk B. was used to; is used to walkingC. was used to; is used to walk D. used to;