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1、Unit 9 When was it invented?Period 1Four ancient inventionscompassgun powderMoveable type printingpapercalculatormicrowave ovenlight bulblight bulbs shigh heelsadjustable heelsadjustable 可调整的可调整的ice cream scoop heat 加热加热scoopslippersa batterybatteriesoperate 操作操作A:When was the car invented?B:Well,I
2、think it was invented in.A.1885B.1876C.1927D.1971A:When was the telephone invented?B:Well,I think it was invented in.A.1885B.1876C.1927D.1971Look at the things.In what order do you think they were invented?1aA:I think the calculator was invented before the computer.B:Well,I think the calculator was
3、invented after the computer.A:I think was invented before B:Well,I think was invented after.A:I think was invented before B:Well,I think was invented after.A:I think was invented before B:Well,I think was invented after A:I think was invented before B:Well,I think was invented after 1bListen and mat
4、ch the inventions Listen and match the inventions with the dates.with the dates.abedc1876_1885_1927_1971_1976_dabecA:A:When When waswas the _ the _ inventedinvented?B:I think it B:I think it was inventedwas invented in in _._.Pairwork Pairwork(1c:P68)(1c:P68)197618851876192719711879Edison invented t
5、he light bulb.The light bulb was invented by Edison.Who Who waswas the light bulb the light bulb invented byinvented by?The telephone by Bell.was invented Who was the telephone inventedWho was the telephone invented by?by?Bell invented the telephone._ was invented by _.The carKarl BenzWho was the ca
6、r invented Who was the car invented byby?Karl Benz invented the car.The passive voice.被动语态被动语态 英语中动词有英语中动词有主动语态主动语态和和被动语态被动语态两种语态两种语态.主动语主动语态表示主语是动作的执行者态表示主语是动作的执行者,被动语态表示主语是动作的被动语态表示主语是动作的承受者承受者,在被动语态中动作的执行者有时用在被动语态中动作的执行者有时用by短语表示短语表示出来出来.被动语态的被动语态的构成构成:助动词助动词be+(及物动词的及物动词的)过去分词过去分词 一般现在时一般现在时一般过去
7、时一般过去时am (is,are)+donewas(were)+doneThe passive voice.(被动语态被动语态)被动语态的用法被动语态的用法:1.不知动作执行者时不知动作执行者时,常用被动语态常用被动语态.2.eg.My bike was stolen yesterday.3.2.不必要说出动作执行者时不必要说出动作执行者时,常用常用.4.eg.The car was invented in 1885.5.3.为了突出强调动作的承受者时为了突出强调动作的承受者时,常用被动语态常用被动语态.6.eg.Thousands of beaches are polluted(污染污染).
8、The passive voice.被动语态被动语态主动语态改被动语态主动语态改被动语态:Bellinvented the telephone in 1876.wasbyA:What is the car used for?B:The car is used for traveling.A A:What is the _ What is the _ used for?used for?B:I think itB:I think it is used foris used for _.talking with peopleA:What is the used for?B:I think it i
9、s used for _.(count)countingA:What is the used for?B:I think it is used for _.(work)workingA:What is the used for?B:I think it is used for _.(ride)ridingA A:What is the _ What is the _ used for?used for?B B:ItIt is used foris used for _._.counting(count)A:What is the used for?B:It is used for _.(cou
10、nt)countingA:What is the used for?B:It is used for _.(watch the things far away clearly)watching the thingsfar away clearly.A A:What is the _ What is the _ used for?used for?B B:It isIt is used for used for _making the food hot.(make the food hot)A:When was invented?B:It was invented inA:Who was it
11、invented by?B:It was invented byA:What is the used for?B:The is used for doing 1.We use the1.We use the _to count._to count.The calculator_calculatoris used for counting.The microwave oven_ 2.We use _to make the food hot.the microwave ovenis used for3.The _3.The _is used foris used for _._.(talk wit
12、h people)talk with people)talking with peopletelephonemaking the food hot.4.Who_light bulbs_by?5.The computer_ 1976.wereinventedwas invented inWho were they invented by?Who were they invented by?What are they used for?What are they used for?adjustable 可调整的可调整的operate 操作操作 heat 加热加热2aListen and numbe
13、r the inventions inthe order that you hear.312InventionWho was it/were they invented by?What is is/are they used for?shoes with adjustable heelsChelsea Lanmonscooping really cold ice creambattery-operated slippers Jayce Coziar and Jamie Ellsworth seeing in the darkheated ice cream scoopJulie Thompso
14、mchanging the style of the shoesListen again.Match the inventions Listen again.Match the inventions with their inventors and uses.with their inventors and uses.2bHelpful inventions Annoying inventions Example telephone Example alarm clock 1.1.2.2.3.3.4.4.5.5.Helpful inventionsAnnoying inventionsExam
15、ple:telephoneExample:alarm clock1.plane1.atomic puter2.chemical weapon3.bike3.mobile phoneSample dialogue 1:Sample dialogue 1:A A：What do you think is the most What do you think is the most helpfulhelpful invention?invention?B B：I think the most helpfulI think the most helpful invention is the light
16、 bulb.invention is the light bulb.A A：Why is that?(Why do you think Why is that?(Why do you think so?)so?)B B：Well,it gives people more time Well,it gives people more time to work and play every day to work and play every day.Sample dialogue 2:Sample dialogue 2:A:What do you think is the most A:What
17、 do you think is the most helpful helpful invention?invention?B:I think the most helpful invention B:I think the most helpful invention is the car.is the car.A:Why is that?A:Why is that?B:Well,it makes it possible for B:Well,it makes it possible for people to move to distant places people to move to
18、 distant places faster.faster.Sample dialogue 3:Sample dialogue 3:A:What do you think is the most A:What do you think is the most annoyingannoying invention?invention?B:I think the most annoying B:I think the most annoying invention is the atomic bomb.invention is the atomic bomb.A:Why is that?A:Why
19、 is that?B:Well,it gives people more power B:Well,it gives people more power to kill others.to kill others.Sample dialogue 4:Sample dialogue 4:A:A:What do you think is the most What do you think is the most annoyingannoying invention?invention?B B：I think the most annoying I think the most annoying
20、invention is the alarm clock.invention is the alarm clock.A A：Why is that?(Why do you think Why is that?(Why do you think so?)so?)B B：Because it wakes me up whenBecause it wakes me up when Im Im sleeping.sleeping.Groupwork(4:P70)Groupwork(4:P70)What would you do if you are What would you do if you a
21、re alone on a tiny island?alone on a tiny island?Imagine that you are alone on a tiny island.Imagine that you are alone on a tiny island.Choose one invention you would like to have on Choose one invention you would like to have on the island with you.Tell the group what you the island with you.Tell
22、the group what you chose and why.Then give a report.chose and why.Then give a report.Id like to have a because I couldIts used forI think the most helpful invention is But thats not going to help you leave the island.I think it would be better to have a/anyou can use the following sentences:.Sample
23、dialogue 1:Sample dialogue 1:A:A:Id like to have a radio because IId like to have a radio because I could listen to music all day.could listen to music all day.B B：Yes,but thats not going to help Yes,but thats not going to help you leave the island.I think it would you leave the island.I think it wo
24、uld be better to have a boat.Then you be better to have a boat.Then you can leave the island by boat.can leave the island by boat.A A：Possibly you are right.Possibly you are right.Sample dialogue 1:Sample dialogue 1:A:A:Id like to have a monkey because it Id like to have a monkey because it can pick
25、 some fruits for me.can pick some fruits for me.B B：Yes,but what if there isnt enough Yes,but what if there isnt enough fruit trees on the island?I think it fruit trees on the island?I think it would be better to have lots of food.would be better to have lots of food.Then you can have something to e
26、at Then you can have something to eat before people come to save you.before people come to save you.A A：Maybe you are right.Maybe you are right.Groupwork(4:P70)Groupwork(4:P70)Then give a report like this:Then give a report like this:In our groupwould like to have a monkey because itcan pick some fr
27、uits for him.But thinks it would be better to have lots of food.Then he can have something to eat before people come to save him.汉译英。汉译英。（1）计算机是何时发明的？计算机是何时发明的？（2）谁发明了计算机？）谁发明了计算机？（3）计算器是用来做什么？）计算器是用来做什么？（4）你认为什么是最有用的发明？）你认为什么是最有用的发明？（5）每天它能够给人们更多时间工作和玩。）每天它能够给人们更多时间工作和玩。1.When was the computer inve
28、nted?2.Who was the computer invented by?3.Whats the calculator used for?4.What do you think is the most helpful invention?5.It gives people more time to work and play every day.1.I open the door.The door is opened by me.2.He often helps homeless people.Homeless people are often helped by him.3.I han
29、ded out some papers just now.Some papers were handed out by me just now.主动语态:主语主语是动作的执行者执行者。被动语态:主语主语是动作的承受者承受者。被动语态结构为：(主动语态)(主动语态)(主动语态)(被动语态)(被动)(被动语态)be+过去分词过去分词将下列句子变为被动语态。将下列句子变为被动语态。Period 3 sweet sweet-How does it taste?-How does it taste?-It tastes-It tastessweetsweet -How does it taste?-Ho
30、w does it taste?-It tastes-It tastessour sour-How does it taste?-How does it taste?-It tastes-It tastescrispy and saltycrispy and salty-How do they taste?-How do they taste?-They taste-They tastesweetsweet -How do they taste?-How do they taste?-They taste-They tastecookies-What kind of food do you l
31、ike?-I like food that tastes salty咸的咸的,含盐的含盐的sweet甜的甜的crispy易碎的易碎的,脆的脆的sour酸的酸的,酸味的酸味的bitter 苦的苦的hot 辣的辣的awful 可怕的可怕的nice 好的好的delicious 美味的美味的sweet crispy salty sour potato chipssourlemonice creamsweetteasweetcrispy,saltyapplecakehoneycandyFrench frieslettucePopcornpotato chipspizzapotato chipsdumpl
32、ingsorangestrawberryHow do they taste?Do you like potato chips?The history of chipsWhen were potato chips invented?Who were potato chips invented by?How were potato chips invented?Listen and circle “T”(for true)or“F”(for false).Listen and circle “T”(for true)or“F”(for false).1.Potato chips were inve
33、nted 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 make the customer happy.6.The customer was happy in the end.T FT FT FT FT FT FT FT FT FT FT FT F _that potato chips were _that potato ch
34、ips were invented by mistake?Chips _invented by mistake?Chips _ _by a chef called George Crum._by a chef called George Crum.They were invented in_.George They were invented in_.George Crum cooked them for a long time until Crum cooked them for a long time until they _And he sprinkled lots they _And
35、he sprinkled lots of salt on them so they were_.of salt on them so they were_.The history of potato chipsThe history of potato chipsDid you knowDid you know were were inventedinvented18531853were crispywere crispyreally saltyreally salty2bListen again.Complete the sentences.B:When were they invented
36、?A:B:How were they invented?The emperor Shen Nong.He was boiling drinking water over an open fire.神农帝在户外的火上烧饮用水。神农帝在户外的火上烧饮用水。Who invented tea?3aDo you know the history of tea?Read the article and write answers to the questions.1.What is the article about?It is about the invention of tea.It was inve
37、nted over three thousand years ago.It was invented by the Chinese emperor Shen Nong.It was invented by accident.2.When was it invented?3.Who was it invented by?4.How was it invented?Did you know that tea,the most popular drink in the world(after water),was invented by accident?Although tea wasnt bro
38、ught to the Western world until 1610,this beverage was discovered over three thousand years before that.According to an ancient Chinese legend,the emperor Shen Nong Discovered tea when he was boiling drinking water over an open fire.Who invented tea?Some leaves from a nearby bush fell into the water
39、 and remained there for some time.The emperor noticed that the leaves in the water produced a pleasant smell.Later he decided to taste the hot mixture.It was quite delicious.And in this way,one of the worlds favorite drinks was invented.Language points1.Although tea wasnt brought to the western worl
40、d until 1610,this beverage was discovered over three thousand years before that.虽然,茶直到1610年才传入西方世界,但是这种饮料在三千多年前就被发现了.(1)although 作连词,意为“虽然虽然,尽管尽管”,引导让步状语从句,不能不能与连词but连用,不过它可以可以与yet,still连用;若主从句的主语相同,且从句谓语含有动词be,可将从句主语和动词be省略.如:_(it was)snowing,it was not very cold.虽然在下雪,但是天气不是很冷.There is air around
41、us,_we cant see it.尽管我们看不见,但是我们周围全是空气._(he is)quite young,he knows a lot.虽然他很年轻,但是他很懂事.AlthoughalthoughAlthough(2)notuntil 意为“直到才”until 引导一个时间状语从句.如He_go to bed _his father came home.直到他爸爸回家时他才睡觉.didnt until 2.According to an ancient Chinese legend,the emperor Shen Nung discovered tea when he was bo
42、iling drinking water over an open fire.根据中国古代的一个传说,神农帝在户外的火上烧饮用水时发现了茶叶.(1)According to 是个短语介词,意为“根据;依照”后接代词,名词或由疑问词以及whether引出的名词性从句.如_,it will rain tomorrow.根据收音机说,明天有雨._,he was right then.根据你刚才说的,那么他就对了.According to the radioAccording to what you said just now,(2)overover“在正上方”(under)above“在的上方”（指
43、位置高于）(below)on“在的上面”（指两者接触）The plane flew _the clouds.There is a book _the desk.There is a bridge _the river.aboveonover3.Some leaves from a nearby bush fell into the water and remained there for some time.一些叶子从附近的灌木丛落到水里.并在水里浸泡了一段时间.(1)leaf的复数形式为leaves(2)a nearby bush附近的灌木丛(3)remain 表示“继续留在某处”如How
44、long will you_?你要在此地停留多久?(4)fall into“落入,陷入”如:He was drunk and _the water.他酒醉跌落水中.remain herefell into4.The emperor noticed that the leaves in the water produced a pleasant smell.国王注意到,水里的叶子发出一种宜人的香味.(1)notice 作动词,意为“注意到”,后可以接:名词或名词或代词代词.如:I didnt _your parents.我没注意到你的父母亲.(2)从句从句.如:I_that you werent
45、 among the contestants.我注意到你没有参加比赛.(3)复合结构复合结构Did you_ his car yesterday evening?昨晚你注意到他修车了吗?I_in the next room.我注意到她正在隔壁唱歌.noticenoticednotice him repairnoticed her singingWho invented tea?Did you know that tea,the _drink inthe world(after water),was invented_?Although tea _brought to the Western w
46、orld_1610,this _was discovered overthree thousand years before that._an Ancient Chinese_,the emperor Shen Nong discovered tea when he was boiling drinking water _.Some leaves from_the water and _for some time.The emperor_ that the leaves in thewater _a _smell.Later he decided to taste the hot_.It wa
47、s quite delicious.And _,one of the worlds favorite drinks_.most popularby accidentwasntuntilbeverageAccording tolegendover an open firea nearby bushfell intoremained there noticedproducedpleasantmixturein this wayinvented.wasWrite an article using the notes in the box.Who:college studentsWhat:metal
48、pie plate,flying diskWhen:1950sWhere:bakery Bridgeport,ConnecticutHow:students eat pie,throw pie platesToday:clubs,magazines,festival3b Writing 4awriting tests instead of persons by listening to the owners.one hundred yuan per pen The umbrella was invented about 4,000years ago in Assyria,China and E
49、gypt.The binoculars was invented in 1854 in Italy by Ignatio Porro.The Camera was invented in 1827 by Joseph Nicephore Niepce who tookthe first picture.The bicycle was invented in the1880s in England.1600I.根据首字母完成句子根据首字母完成句子:1.The ice cream scoop is used for s_really cold ice cream.2.Edison i_the el
50、ectric light bulb.3.He often makes m_in his spelling.4.Ill do it a_to your instructions.5.A c_ is a hundred years.6.It was so dark that I could h_see anything.5.Boys,stop t_ stones to the poor dog.coopingnventedistakesccordingenturyardlyhrowing1.Wood can be used for_ paper.A.making B.to make C.made