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1、Unit 9When was it invented ?Section A1bListen and match the inventions with the dates.abedc18761885192719711976dabec1c1c1c1cA :When was the telephone invented ?B :I think it was invented in 1876.Julie Thompsonbattery-operated slippersChelsea Lanmonheated ice cream scoopJayce Coziar and Jamie Ellswor

2、thshoes with adjustable heels2a2aListen and number the inventions inthe order that you hear.3122b2bWho was it / were they invented by ?It was/ They were invented by Chelsea Lanmon.2C PAIRWORK Sentence pattern: What is it / are they used for? Theyre used for seeing in the dark.3A PAIRWORK Helpful inv

3、entions: vacuum cleaner, soundproof door and window, car, computer, fax machine Annoying inventions: air-conditioner, truck, telephone, junk food, ice cream Sentence pattern: What is this in the picture? What is it used for? Do you think it is helpful / annoying?Dialogue 1:A: What is this?B: It is a

4、n alarm clock. A: What is it used for?B: It is used for waking people up in the morning.A: Do you think it is annoying?B: Sometimes, when I want to go on sleep.Dialogue 2: A: What is this? B: It is a light bulb. A: What is it used for?B: It is used for giving light.A: Do you think it is helpful?B: Y

5、es, I think so. Because I always do homework and read books in the evening by its light.Dialogue 3:A: What is this?B: It is a microwave oven. A: What is it used for?B: It is used for heating cold food and cooking meals.A: Do you think it is helpful?B: Yes, I think so. Because my parents are very bus

6、y and I can use it to cook meals by myself.Dialogue 1:A: What do you think is the most helpful invention?B: I think the most helpful invention is the light bulb. 3B PAIRWORKA: Why is that?B: Well, it gives people more time to work and play every day.4 GROUPWORK Imagine you are alone on a tiny island

7、. choose five inventions you would like to have on the island with you.A: Id like to have a radio because I could listen to music all day .B: Yes, but thats not going to help you leave the island. I think it would be better to have .1. 世界上許多國家都講英文。世界上許多國家都講英文。 English is spoken in many countries all

8、 over the world . 2. 紙是中國發(fā)明的。紙是中國發(fā)明的。 Paper was invented in China.3. 這棟大樓是去年建造的。這棟大樓是去年建造的。 The building was built last year.Make sentences4. 他父親不會讓他娶瑪麗為妻的。他父親不會讓他娶瑪麗為妻的。 He wont be allowed, by his father, to marry Mary. 5. 他們結(jié)束訓(xùn)練時將被派往部隊。他們結(jié)束訓(xùn)練時將被派往部隊。 They would be sent to the army when they finish

9、ed the training. 6. 這個計劃正在執(zhí)行中。這個計劃正在執(zhí)行中。 The project is being carried out. 8. 這本小說已被譯成了幾種語言。這本小說已被譯成了幾種語言。 This novel has been translated into several languages. 7. 那時這案子正在調(diào)查中。那時這案子正在調(diào)查中。 The case was being investigated then. 9. 他們說生產(chǎn)成本已經(jīng)下降了。他們說生產(chǎn)成本已經(jīng)下降了。 They said that production costs had been red

10、uced.Dialogue 1:A: Id like to have some matches because I could light a fire to keep warm.B: Yes, but thats not going to help you leave the island. I think it would be better to have a cell phone.移動電話移動電話A: Id like to have a telescope because I could look far.B: Yes, but thats not going to help you

11、leave the island. I think it would be better to have a signal lamp.Dialogue 2:n. 望遠鏡望遠鏡n. 信號燈信號燈The passive voice. 英語中動詞有主動語態(tài)和被動語態(tài)兩種語態(tài)，主動語英語中動詞有主動語態(tài)和被動語態(tài)兩種語態(tài)，主動語態(tài)表示主語是動作的執(zhí)行者態(tài)表示主語是動作的執(zhí)行者,被動語態(tài)表示主語是動作的被動語態(tài)表示主語是動作的承受者承受者, 在被動語態(tài)中動作的執(zhí)行者有時用在被動語態(tài)中動作的執(zhí)行者有時用by短語表示短語表示出來。出來。被動語態(tài)的被動語態(tài)的:助動詞助動詞be+ (及物及物動詞的動詞的) 過去

12、分詞過去分詞 一般現(xiàn)在時一般現(xiàn)在時一般過去時一般過去時am (is, are) + donewas (were) + doneThe passive voice1. 不知動作執(zhí)行者時不知動作執(zhí)行者時,常用被動語態(tài)。常用被動語態(tài)。eg. My bike was stolen yesterday. This car is made in America.2. 不必要說出動作執(zhí)行者時不必要說出動作執(zhí)行者時,常用被動語態(tài)。常用被動語態(tài)。eg. Rome was not built in a day.3. 為了突出強調(diào)動作的承受者時為了突出強調(diào)動作的承受者時,常用被動語態(tài)。常用被動語態(tài)。eg. Thou

13、sands of beaches are polluted (污染污染).The passive voice1. 把原主動句中的賓語轉(zhuǎn)換為被動語態(tài)的主語。把原主動句中的賓語轉(zhuǎn)換為被動語態(tài)的主語。2.把動詞改為被動形式把動詞改為被動形式,即即 “be + 過去分詞過去分詞” ， 注意注意 be動詞要按新的主語的人稱和數(shù)進行變化動詞要按新的主語的人稱和數(shù)進行變化,時態(tài)要和原來時態(tài)要和原來的主動語態(tài)的時態(tài)保持一致。的主動語態(tài)的時態(tài)保持一致。3. 原來主動語態(tài)句中的主語原來主動語態(tài)句中的主語,如果需要如果需要,就放在就放在by后面后面以它的賓格形式出現(xiàn)；以它的賓格形式出現(xiàn)； 如果沒有必要就可以省略，其

14、他的如果沒有必要就可以省略，其他的成分成分 (定語定語,狀語狀語) 不變不變, 句式也不能變。句式也不能變。The passive voice被動語態(tài)被動語態(tài)主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖:Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主語謂語動詞過去時賓語時間狀語主語謂語動詞的過去分詞賓語時間狀語The passive voice被動語態(tài)被動語態(tài)Bellinvented the telephonein 1876.wasbycrispy and saltyD

15、escribe how food tastes.sour sweet salty:in the end:by mistake:by accident:according to:咸的咸的,含鹽的含鹽的. 名詞名詞,salty 加加 y 構(gòu)成形容詞構(gòu)成形容詞最后最后,終于終于 eg. Everything will be all right in the end.弄錯的弄錯的,錯誤地錯誤地eg. He took the umbrella by mistake.偶然偶然,意外意外, 無意中無意中eg. I met her by accident in a crowded bus. 根據(jù)根據(jù), 按照按

16、照 eg. Well be paid according to the amount of work we do.Listen and circle “T” (for true) or “F” (for false).1.The potato chips were invented by mistake.2.They were invented in 1863.3.The customer thought the potatoes werent thin enough.4.The customer said they werent salty enough.5.George wanted to

17、 make the customer happy.6.The customer was happy in the end.The history of chips_that potato chips were invented by mistake? Chips_by a chef called George Crum. They were invented in_.George Crum cooked them for a long time until_ they_. And he sprinkled lots of salt on them so they wereDid you kno

18、wwere invented1853were crispyreally saltyWho invented tea? Did you know that tea, the most popular drink inthe world (after water), was invented by accident?Although tea wasnt brought to the Western worlduntil 1610, this beverage was discovered overthree thousand years before that. According to an A

19、ncient Chinese legend, the emperor Shen Nong Discovered tea when he was boiling drinking water over an open fire. Some leaves from a nearby bush fell into the water and remained there for some time. The emperor noticed that the leaves in thewater produced a pleasant smell. Later he decided to taste

20、the hot mixture. It was quite delicious. And in this way, one of the worlds favorite drinks was invented.Read the article and write answers to the questions.1.What is the article about ?It is about the invention of tea.It was invented over three thousand years ago.It was invented by the Chinese empe

21、ror Shen Nong.It was invented by accident.3. Who was it invented by?4. How was it invented?2. When was it invented?1.The custom said they werent salty enough. 這個顧客說菜不夠咸。這個顧客說菜不夠咸。(1) said 后是賓語從句后是賓語從句, 省略了省略了that。當。當 賓語從句主句用一般過去時賓語從句主句用一般過去時, 從句也要從句也要用過去的某種時態(tài)。用過去的某種時態(tài)。 He asked me whom I was waiting

22、 for. 他問我在等誰。他問我在等誰。Explanation但但enough 修飾名詞時修飾名詞時, 可以放在名詞之前可以放在名詞之前, 也可以放在名詞之后。如也可以放在名詞之后。如: I have enough money to buy it. ( I have money enough to buy it.)2.The potato chips were invented by mistake. 薯片是無意中被發(fā)明的。薯片是無意中被發(fā)明的。 mistake 做名詞做名詞, 意為意為 “弄錯弄錯, 誤解誤解” You have made a foolish mistake. 你犯了一個愚蠢

23、的錯誤。你犯了一個愚蠢的錯誤。 mistake 作動詞作動詞, 意為意為 “弄錯弄錯,誤解誤解” She didnt speak very clearly so I mistook what she said. 她講的不清楚她講的不清楚, 所以我誤解了她的話。所以我誤解了她的話。 by mistake 意為意為 “錯誤地錯誤地,無意地無意地” I took his backpack by mistake. 我錯拿了他的書包。我錯拿了他的書包。 He put salt in her cup of tea by mistake. 他錯把鹽放進她的茶里。他錯把鹽放進她的茶里。a pen that l

24、istens and writesNew invention:Use:It can listen to the writer and write by itself.Price :$ 50music candleactivity glassestemperature cup3a Reading 1. What is this article about? I think it is about the invention of tea. 2. Was it invented on purpose or by accident? By accident. The first sentence t

25、ells us that. 3. When was it invented? Over 3,000 years before 1610. 4. Who invented it? The emperor Shen Nong. 5. Who can tell us how it was invented? According to an ancient legend, once when Shen Nong was boiling drinking 3B WRITINGA sample version From pie plate to flying disk The flying disk wa

26、s invented by college students. Flying disk is a metal pie plate. In the 1950s, several college students ate pies made by a bakery in Bridgeport, Connecticut. They found it interesting to throw the pie plates with each other. Then it became a game. Today, there are flying disk clubs, magazines and e

27、ven a festival. Write an article using the notes in the box.Who: college studentsWhat: metal pie plate, flying diskWhen: 1950Where: bakery Bridgeport, ConnecticutWhy: new toyHow: students eat pie, throw pie platesToday: clubs, magazines, festival Self Check The abacus was invented in the sixth century by Chinese people. The umbrella was invented about 4000 years ago in Assyria, China and Egypt. In Italy in 1854 , Ignatio Porro invented the binoculars. The Camera was invented by Joseph Nicephore Niepce in 1827 who took the first picture. The bicycle was invented in the 1880s in England.