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1、UNIT 9WHEN WAS IT INVENTED? Section AWarming upWhat are they ? They are light bulbs.When were they invented?They were invented in 1879.What are they used for? They are used for giving light. watch (1796)telling the right timemicrowave oven (1947)heating food and cooking meals alarm clock (1350)calli

2、ng people to get upGRAMMAR FOCUS A: When was invented ? B I think it was invented in A: What is it used for ? B: It is used for + ving.LISTENING (1B: P68)1876年年 1885年年1927年年1971年年1976年年Listening (2a, 2b: P69)312 scooping really cold ice creamshoes with adjustable heels Jayce Coziar and Jamie Ellswor

3、th changing the style of the shoes battery-operated snakers Julie Thompsonseeing in the dark heated ice cream scoopLanmonChelseaORAL PRACTICE (2C: P69)Sentence pattern:What is + n.單單/ are + n.復(fù)復(fù) used for? It is /They are used for Who was it / were they invented by?It was /They were invented by GRAMM

4、AR FOCUS (P69) The passive voice 被動(dòng)語態(tài)被動(dòng)語態(tài) 在被動(dòng)語態(tài)的句子中在被動(dòng)語態(tài)的句子中, 謂語部分謂語部分的結(jié)構(gòu)是的結(jié)構(gòu)是be + 過去分詞。被動(dòng)語態(tài)過去分詞。被動(dòng)語態(tài)的句子的時(shí)態(tài)變化反映在的句子的時(shí)態(tài)變化反映在be動(dòng)詞上。動(dòng)詞上。也就是說也就是說, 把一個(gè)句子做成被把一個(gè)句子做成被 動(dòng)語態(tài)的句子動(dòng)語態(tài)的句子, 只需要寫出只需要寫出be動(dòng)詞動(dòng)詞 的所需時(shí)態(tài)的所需時(shí)態(tài), 再加上所給動(dòng)詞再加上所給動(dòng)詞的過去分詞就行了。當(dāng)然的過去分詞就行了。當(dāng)然, 這只是指這只是指謂語部分而言。我們知道謂語部分而言。我們知道, be動(dòng)詞作動(dòng)詞作為一個(gè)獨(dú)立的謂語動(dòng)詞有自己現(xiàn)在為一個(gè)獨(dú)

5、立的謂語動(dòng)詞有自己現(xiàn)在分詞分詞(being)和過去分詞和過去分詞 (been)。那。那么么, 下面我們來看看下面我們來看看be 在各種時(shí)態(tài)中在各種時(shí)態(tài)中的變化形式：的變化形式：一般現(xiàn)在時(shí)一般現(xiàn)在時(shí) am / is / are 一般過去時(shí)一般過去時(shí) was / were 一般將來時(shí)一般將來時(shí) shall / will + be 過去將來時(shí)過去將來時(shí) would / should + be 現(xiàn)在進(jìn)行時(shí)現(xiàn)在進(jìn)行時(shí) am / is / are + being 過去進(jìn)行時(shí)過去進(jìn)行時(shí) was / were + being 現(xiàn)在完成時(shí)現(xiàn)在完成時(shí) have / has + been 過去完成時(shí)過去完成時(shí) ha

6、d + been EXERCISE I 根據(jù)前后句子的關(guān)系,用適當(dāng)?shù)膯卧~填空,使句子完整正確. 1. _ was the car invented? It was invented in 1885. 2._ were they invented by? They were invented by Julie Thompson. 3._ are they used for? They are used for seeing in the dark. II 用所給動(dòng)詞的適當(dāng)形式填空. 1._ a new library _ (build) in our school last year? 2.Co

7、tton_(grow) in the southeast of China. 3.How many trees_(plant) yesterday? 4.Your shoes_(wear) out.You need a new pair. 5. When_ this kind of computets_(use)? Two years ago.WhenWhoWhatWasbuiltis grownwere plantedwere wornwereused1. 世界上許多國家都講英文。世界上許多國家都講英文。 English_in many countries all over the worl

8、d . 2. 紙是中國發(fā)明的。紙是中國發(fā)明的。 Paper_ 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_ last year.Make sentencesis spokenwas inventedwas built4. 他父親不會(huì)讓他娶瑪麗為妻的。他父親不會(huì)讓他娶瑪麗為妻的。 He wont_ by his father, to marry Mary. 5. 他們結(jié)束訓(xùn)練時(shí)將被派往部隊(duì)。他們結(jié)束訓(xùn)練時(shí)將被派往部隊(duì)。 They would_ to the army when they finished the training. 6. 這個(gè)

9、計(jì)劃正在執(zhí)行中。這個(gè)計(jì)劃正在執(zhí)行中。 The project is_out. be allowedbe sentbeing carriedPAIRWORK (3A:P70) Helpful inventions: 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

10、? What is it used for? Do you think it is helpful / annoying?Dialogue 1:A: What is this?B: It is an 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 li

11、ght bulb. A: What is it used for?B: It is used for giving light.A: Do you think it is helpful?B: Yes, 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 a

12、nd cooking meals.A: Do you think it is helpful?B: Yes, I think so. Because my parents are very busy 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 vacuum cleaner. PAIRWORK (4:P70)A: Why is that?B: We

13、ll, it can help me clean the floor when mother asks me to do the cleaning.Dialogue 2:A: What do you think is the most annoying invention?B: I think the most annoying invention is the air-conditioner.A: Why is that?B: Well, I feel uncomfortable in the room with an air-conditioner.A: What do you think

14、 are the most annoying or helpful inventions?B: I think the truck is the most annoying invention and the soundproof door and window is the most helpful invention. Dialogue 3:soundproof door and windowA: Why is that?B: The trucks always make noises and people cant sleep well. If they have the soundpr

15、oof door and window, people neednt worry about the noises anymore.GROUPWORK (4: P70) What would you do if you are alone on a tiny island?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 h

16、ave a cell phone.Dialogue 1:A: Id like to have a telescope because I could look far.B: Yes, but thats not going to help you leave the island. I think it would be better to have a signal lamp.Dialogue 2:Section Bcrispy and saltyDescribe how food tastes.sour sweet sweet LISTENING (2A, 2B: P71)1. The p

17、otato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes werent thin enough.TFT4. The customer said they werent salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end. TFF _that potato chips were invented by mi

18、stake? 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 were_.The history of chipsDid you know were invented1853were crispyreally salty1.The custom said they werent salty enough. 這個(gè)顧客說菜不夠咸

19、。這個(gè)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(dāng)。當(dāng) 賓語從句主句用一般過去時(shí)賓語從句主句用一般過去時(shí), 從句也要從句也要用過去的某種時(shí)態(tài)。用過去的某種時(shí)態(tài)。 He asked me whom I was waiting for. 他問我在等誰。他問我在等誰。Explanation但但enough 修飾名詞時(shí)修飾名詞時(shí), 可以放在名詞可以放在名詞之前之前, 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 pota

20、to 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(cuò)弄錯(cuò), 誤解誤解” You have made a foolish mistake. 你犯了一個(gè)愚蠢的錯(cuò)誤。你犯了一個(gè)愚蠢的錯(cuò)誤。 mistake 作動(dòng)詞作動(dòng)詞, 意為意為 “弄錯(cuò)弄錯(cuò),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(cuò)誤地錯(cuò)誤地,無意地

21、無意地” I took his backpack by mistake. 我錯(cuò)拿了他的書包。我錯(cuò)拿了他的書包。 He put salt in her cup of tea by mistake. 他錯(cuò)把鹽放進(jìn)她的茶里。他錯(cuò)把鹽放進(jìn)她的茶里。Reading (3a: P72) 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 tells us th

22、at. 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 water over an open fire, some leaves from a nearby bush fell into the water and remai

23、ned there for some time. He noticed that the leaves in the water produced a pleasant smell. Later he tasted the water and found it quite delicious. Thats how he discovered tea.Explanation1. Although tea wasnt brought to the western world until 1610, this beverage was discovered over three thousand y

24、ears before that. 雖然茶直到雖然茶直到1610年才傳入西方世界年才傳入西方世界,但這種飲料在三千多年前就被發(fā)現(xiàn)了。但這種飲料在三千多年前就被發(fā)現(xiàn)了。(1) although 作連詞作連詞, 意為意為 “雖然雖然,盡盡管管”,引導(dǎo)讓步狀語從句引導(dǎo)讓步狀語從句, 我們不能根據(jù)我們不能根據(jù)漢語習(xí)慣漢語習(xí)慣, 在后面使用連詞在后面使用連詞but, 不過它不過它可以與可以與yet, still連用連用;若主從句的主語相若主從句的主語相同同, 且從句謂語含有動(dòng)詞且從句謂語含有動(dòng)詞be, 可將從句可將從句主語和動(dòng)詞主語和動(dòng)詞be省略。省略。 Although (it was) snowin

25、g, it was not very cold. 雖然在下雪雖然在下雪, 但是天氣不是很冷。但是天氣不是很冷。 There is air around us, although we cant see it. 盡管我們看不見盡管我們看不見, 但我們周圍全是空氣。但我們周圍全是空氣。 notuntil 意為意為 “直到直到才才”until 引導(dǎo)一個(gè)時(shí)間狀語從句。引導(dǎo)一個(gè)時(shí)間狀語從句。 He did not go to bed until his father came home. 直到他爸爸回家時(shí)他才睡覺。直到他爸爸回家時(shí)他才睡覺。2. According to an ancient Chine

26、se legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open air. 根據(jù)中國古代的一個(gè)傳說根據(jù)中國古代的一個(gè)傳說, 神農(nóng)帝在神農(nóng)帝在戶外的火上燒飲用水時(shí)發(fā)現(xiàn)了茶葉。戶外的火上燒飲用水時(shí)發(fā)現(xiàn)了茶葉。 According to 是個(gè)短語介詞是個(gè)短語介詞,意為意為 “根根據(jù)據(jù);依照依照”后接代詞后接代詞,名詞或由疑名詞或由疑問詞以及問詞以及whether引出的名詞性從句。引出的名詞性從句。 According to the radio, it will rain to

27、morrow. 根據(jù)收音機(jī)說根據(jù)收音機(jī)說,明天有雨。明天有雨。 According to what you said just now, he was right then. 根據(jù)你剛才說的根據(jù)你剛才說的,那么他就對(duì)了。那么他就對(duì)了。leaf 的復(fù)數(shù)形式為的復(fù)數(shù)形式為leavesremain 表示表示 “繼續(xù)留在某處繼續(xù)留在某處” 3. Some leaves from a nearby bush fell into the water and remained there for some time. 一些葉子從附近的灌木叢落到水里。一些葉子從附近的灌木叢落到水里。并在水里浸泡了一段時(shí)間。并

28、在水里浸泡了一段時(shí)間。 How long will you remain here? 你要在此地停留多久你要在此地停留多久?fall into “落入落入, 陷入陷入” He was drunk and fell into the water. 他酒醉跌落水中。他酒醉跌落水中。WRITING (3B: P72)A sample version From pie plate to flying disk The flying disk was invented by college students. Flying disk is a metal pie plate. In the 1950s,

29、 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 even a festival. Self Check (2:P73) The abacus was invented in the sixth century

30、 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. Thank you for listening!