九年级英语全册_Unit9When was it invented全单元课件人教新目标版

1、1a-2cFour ancient adj.远古的远古的, 旧的旧的inventionscompassgun powder printingpaperWe should be proud of being a ChinesecarWhats this called in English?televisiontelephonepersonal computercalculator 计算器计算器umbrellacameran.计算机计算机A: When was the car invented?B: Well, I think it was invented in .A.1885B.1876C.1

2、927D.1971Look at the things. In what order (顺序顺序)do you think they were invented?A: I think the calculator was invented before the computer.B: Well, I think the calculator was invented after the computer.1a1a134251b1babedc1876_1885_1927_1971_1976_dabecEdison invented the light bulb.The light bulb wa

3、s invented by Edison.Who Who waswas the light bulb the light bulb invented byinvented by? ?_ was invented by _.The carKarl BenzWho was the car invented by?Who was the car invented by?Karl Benz invented the car.A: What is the car used for?B: The car is used for traveling. A: When was invented?B: It w

4、as invented inA: Who was it invented by?B: It was invented byA: What is it called? B: It is called-batteriesslippersbattery-operated slippers电池供电的拖鞋电池供电的拖鞋A: What are they called?B: They are called -ice creamscoop勺子heated ice cream scoop加热的冰激淋勺加热的冰激淋勺shoes with high heels高跟高跟shoes with adjustable he

5、els可调节后跟的鞋可调节后跟的鞋shoes with adjustable heelsbattery-operated slippers 电池操作的电池操作的拖鞋拖鞋heated ice cream scoop 加热的冰淇淋勺加热的冰淇淋勺Who was the invented by?What is the used for Who were the invented by?What are the used for 2a2aListen and number the inventions inthe order that you hear.3 31 12 2InventionWho wa

6、s 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 Thompsomchanging the style of the shoes2b Listen again. Match the in

7、ventions with their inventors and uses.2c: Pairwork: Role play conversations using the information in the chart above.A: What is it/are they called in English? B: It is/They are .A: Who was it/were they invented by? B: It was/They were invented by .A: What is it/are they used for? B: Its/Theyre used

8、 for 课堂测评 (一)用适当形式填空 1 He told us that the Jet plane_ _ (invent) in1930 2 When _ the Great Wall _ (build)? 3 Batteries are used for_ (see) in the dark 4 Who_ they _ (invent) by?(二)按要求改写下列句子 1 The helicopter was invented in1990 （对划线部分提问） _ _ the helicopter _? 2. Someone turned down the television jus

9、t now （改为被动语态） The television _ _ down just now 3 English is spoken as a second language in many countries（被动语态） People _ _ as a second language in many countries 4 The glass is used for keeping water hot（改主动语态） They _ the glass_ keeping water hot 5 I think the most helpful invention is the light bu

10、lb（对划线部分提问） _ _you think _the most helpful invention?Because of some great inventions, our life becomes much easier and more comfortable.（The Passive Voice).主动语态与被动语态主动语态与被动语态： 英语动词有两种语态英语动词有两种语态, ,即主动语态即主动语态(The Active (The Active Voice)Voice)与被动语态（与被动语态（The Passive Voice)The Passive Voice)。主动语态表示主

11、语是动作的执行者主动语态表示主语是动作的执行者; ;被动语态表示主语是动作的承受者。被动语态表示主语是动作的承受者。 e.g. 1.They make trains in Zhuzhou . Trains are made in Zhuzhou. 2.The farmers grow cotton every year. Cotton is grown by the farmers every year. 主动语态主动语态被动语态被动语态主动语态主动语态被动语态被动语态e.g Many people speak English.English is spokenby many people.

12、主动语态变被动语态的步骤：主动语态变被动语态的步骤：1 1、主动语态的宾语变为被动语态的主语；、主动语态的宾语变为被动语态的主语；2 2、主动句的谓语动词变为被动结构；、主动句的谓语动词变为被动结构；3 3、主动句的主语变为被动句的宾语，由、主动句的主语变为被动句的宾语，由by by 引引出，当不强调动作的执行者时，常省略。出，当不强调动作的执行者时，常省略。4.4.其它成分不变。其它成分不变。The passive voice.Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语

13、主语 谓语动词谓语动词过去时过去时宾语宾语时间状语时间状语主语主语谓语动词的谓语动词的过去分词过去分词宾语宾语时间状语时间状语变被动语态时需要注意的事项变被动语态时需要注意的事项 一变一变 二套二套 三注意三注意宾变主，宾变主，主变宾，宾语前面主变宾，宾语前面byby紧跟，谓语动词变过分，不忘紧跟，谓语动词变过分，不忘前面前面bebe紧跟紧跟套时态，主被动时态一致套时态，主被动时态一致注意因人称的变化而引起的注意因人称的变化而引起的主谓一致问题。主谓一致问题。各种时态的被动语态的构成：各种时态的被动语态的构成： 1.一般现在时态一般现在时态 am, is, are +过去分词过去分词 2.一般

14、过去时态一般过去时态 was, were +过去分词过去分词 3.一般将来时态一般将来时态 will/am.is.are going to + be +过去分词过去分词4.过去将来时态过去将来时态 would/was.were going to + be + 过去分词过去分词 5.现在完成时态现在完成时态 have, has + been +过去分词过去分词 6.过去完成时态过去完成时态 had + been +过去分词过去分词 7.现在进行时态现在进行时态 am, is, are + being +过去分词过去分词 8.过去进行时态过去进行时态 was, were + being +过去分词

15、过去分词 9.9.含情态动词的含情态动词的 情态动词情态动词 + + be + +过去分词过去分词所有时态的被动语态否定就是在所有时态的被动语态否定就是在 最前面的助动词后加最前面的助动词后加 notnot疑问就是把疑问就是把最前面的助动词提前最前面的助动词提前。Many trees are not being planted nowAre many trees being planted now?把下列的句子变为被动语态的句子：把下列的句子变为被动语态的句子：1、They speak English in Canada .2、People used wood for making table

16、s. 3、They are making computers in the USA.English is spoken in Canada(by them).Wood was used for making tables.Computers are being made in the USA.把被动句变否定把被动句变否定Computers arent being made in the USA.4、They have grown rice in South China.5. We must plant more trees next year. 6.I am going to clean ou

17、r classroom tomorrow.More trees must be planted next year.Our classroom is going to be cleaned tomorrow.Rice has been grown in South China.把被动句变疑问把被动句变疑问. .Has rice been grown in South China？变被动语态的特殊情况变被动语态的特殊情况 一、双宾语一、双宾语buy/make sb sth=buy/make sth for sbgive sb sth =give sth to sb1.My father boug

18、ht me a computer.A computer was bought for me by my father.I was bought a computer by my father.2.He gives me a book.A book is given to me by him.I am given a book by himSth+be+ 过去分词过去分词+ for/to sb+ by sb.Sb + be+ 过去分词过去分词 sth + by sb二、无二、无toto不定式不定式 一感一感 二听二听 三让三让 四看四看feellisten to.hearlet.have.mak

19、ewatch. see.look at. notice变为被动时加上变为被动时加上toeg. We often see him play basketball.He is often seen to play basketball by us.The boss made the children work for long.The children were made to workwere made to work for long by the boss.三、注意动词短语的三、注意动词短语的 常考到的动词短语有常考到的动词短语有完整性完整性 take care of look after

20、listen to speak toeg. 1.We should speak to the old politely.The old should be spoken tobe spoken to politely.2. The nurse takes good care of the baby.The baby is taken good care ofis taken good care of by the nurse.四、无被动语态的动词。四、无被动语态的动词。 不及物动词及系动词不及物动词及系动词 happen take place die rise come true come o

21、uteg.1. An accident (happen) just now.happened 2. Im sure that my dream .(come true) some day in the futurewill come true常用的被动语态短语常用的被动语态短语be made of from intobe used to do for doing as由由-制成的制成的看出原材料看出原材料看不出原材料看不出原材料原材料制成成品原材料制成成品be filled withbe covered witheg. 1.Paper is made wood.from 2.Tables ar

22、e made wood. 3.Wood is made paper and tables.ofinto被用来-被用作被用作用-充满被-覆盖The passive voice.Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语主语 谓语动词谓语动词过去时过去时宾语宾语时间状语时间状语主语主语谓语动词的谓语动词的过去分词过去分词宾语宾语时间状语时间状语1.I open the door.The door is opened by me.2.He often helps homeles

23、s people.Homeless people are often helped by him.3.I handed 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。3a-4in 1871giving lightEdisonA: What are they called in

24、 English?A: When were they invented?A: Who were they invented by?A: What are they used for?B: They are called light bulbs.B: They were invented in 187.B: They were invented by Edison.B: They are used for giving light.1876BellPairworktelephoneWhen ?Who ? What ? Talking with the people far away.Beld19

25、27Tv setWatching and learning many things in the world.When, who, what use?3a 1.Just now we talked some inventions. Ask you: 2.Are these inventions helpful or annoying? 3.Are these inventions below helpful or annoying?light bulbA: Is the light bulb a useful invention or annoying invention?B: I think

26、 it is a useful invention.A: Why is it?B: Because it gives people more time to work and play every day.alarm clockA: Is the alarm clock a useful invention or annoying invention?B: -A: Why ?B: Because -microwave oven A: Is the microwave oven useful invention or annoying invention?B: -A: Why ?B: Becau

27、se -3a write three helpful and annoying inventions in the chart below.Helpful inventionsAnnoying inventionsnamesreasonnamereason1.telephoneTalk easily1.alarm clock Make noise2.pen2.cigerrate3.3.Wine, money, cigarette, camera, plane, A: What do you think is the most helpful invention? B: I think the

28、most helpful invention is the light bulb. A: Why is that? B: Well, it gives people more time to work and play every day.3b3b4 GroupworkImagine that you are alone on a tiny island . What invention do you want to have ? Why ? Fill in the chart below and talking.Fill in the chart and classworknamereaso

29、n1. radioListen to music every day2. ?3. ? Read the model Class: What invention do you want to have first ? Sudent A : I want to have a radio. Class: Why is that? Sudent A : Because I could listen to music all day.radio boat plane mobile gun参参 考考 范范 例例 Class: What invention do you want to have first

30、 ? Sudent A : I want to have a radio. Class: Why is that? Sudent A : Because I could listen to music all day.Explanation:2. helpful adj. 有帮助的有帮助的, 有益的有益的e.g. Mr. White is a very helpful man.构词法：构词法：n + ful adj再如再如: use + ful usefulthank + ful thankfulbeauty+ ful beautifulcare + ful carefulExercises:

31、 句型转换句型转换 1. She was seen to come out of the library by him. （变为主动语态）（变为主动语态） He _ _ _ out of the library. 2. When are trees often planted. （变为主动语态）（变为主动语态） When _ people often _ _?3. The League was founded in Guangzhou in 1922. （就画线部分提问）（就画线部分提问） _ _ _ _ the League _? saw her comeplant treesdoWhen

32、and where wasfoundedExercises: 句型转换句型转换 4. Did the students wear the school clothes a lot? （变为被动语态）（变为被动语态） _ the school clothes _ a lot?5. Kate took good care of the baby yesterday evening. （变为被动语态）（变为被动语态） The baby _ _ good care of _ Kate yesterday evening.was takenbyWerewornhomework 用单词适当形式填空-inv

33、ent, slipper, use, heat, help 1. whats a pen - for? 2. when was the piano -? 3. I think paper is the most - invention. 4. when were electric (电) - invented? 5. Is this your - ice cream scoop?Good bye咸的咸的,含盐的含盐的. 名词名词,salty 加加 y 构成形容词构成形容词 最后最后,终于终于. eg. Everything will be all right in the end. 弄错的弄错

34、的,错误地错误地.eg. He took the umbrella by mistake. 偶然偶然,意外意外, 无意中无意中.eg. I met her by accident in a crowded bus. 根据根据, 按照按照 eg. Well be paid according to the amount of work we do.1a1b. Write the name of a different food after each word.sweet: crispy:salty:sour:banana, apple, cakepotato chips, saladpizza,

35、 french fries, saltgrape, lemon, saugur1.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 make the customer happy.6.The customer was happy in the end. that pot

36、ato 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 were .Did you knowwere invented1853were crispyreally salty2c. Pairwork A: Did you know potato chips were i

37、nvented by mistake?B: Wow, I didnt know that.Who invented them?A: it was invented by a chef called Geroge Crum.How does it taste?It tastes + adj.Food inventionsIts a kind of beverage.It tastes sweet sometimes.Its healthy.It was invented in ChinaTeapotTeacupTea bowl tea teapot teacups tea bowl waterf

38、irstthennextafter some minutesfinally 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 Ancient Chinese legend

39、, 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 the hot mixture. It w

40、as quite delicious. And in this way, one of the worlds favorite drinks was invented.1. 最受欢迎的饮料最受欢迎的饮料 2. 偶然地偶然地3. 直到直到才才4. 根据根据 5. 烧水烧水6. 在篝火上在篝火上 7. 附近的灌木附近的灌木8. 掉进掉进 9.留在那里一段时间留在那里一段时间10.注意某人做某事注意某人做某事 11.产生宜人的香味产生宜人的香味12.决定做某事决定做某事13.这样这样14.被发明被发明 1. 最受欢迎的饮料最受欢迎的饮料 2. 偶然地偶然地3. 直到直到才才4. 根据根据 5. 烧水

41、烧水6. 在篝火上在篝火上 7. 附近的灌木附近的灌木8. 掉进掉进 the most popular drinkover the open fireaccording tonot untilboil the (drinking) watera nearby bushfall intoby accident9.留在那里一段时间留在那里一段时间10.注意某人做某事注意某人做某事 11.产生宜人的香味产生宜人的香味12.决定做某事决定做某事13.这样这样14.被发明被发明 decide to do sth.be inventedremain there for some timenotice sb

42、. do/ doing duce a pleasant smellin this way Read and answer the Questions:1. What is this article about?2. Was it invented on purpose or by accident?3. When was it invented?4. Who invented it?5. How was it invented? 1. What is this article about? 2. Was it invented on purpose or by accident?

43、 I think it is about the invention of tea.By accident. 3. When was it invented? 4. Who invented it? Over 3,000 years before 1610.The emperor Shen Nong.5. How was tea invented? Circle the verbsMind-mapMind-mapHow was tea invented? The emperor Shen Nong discovered tea when he was boiling drinking wate

44、r 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 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

45、was invented.Shen NongShen Nongover an open fireover an open firediscover, boildiscover, boilleaves from a leaves from a nearby bushnearby bushfall intofall intolaterdecide to tastedecide to tasteremainremainnoticenoticeproduceproducebe inventedbe inventedwaswas1. most popular drinkTEA 10. was delic

46、ious5. by emperor SNdiscovered2. by accident invented3. in 1610brought 4. over 3000 years agoboilingover an open fire 6fell intothe water 7producedpleasant smell 8taste the hot mixture 9discoveredWho: college studentsWhat: metal pie plate, flying diskWhen: 1950Where: bakery Bridgeport, ConnecticutWh

47、y: new toyHow: students eat pie, throw pie platesToday: clubs, magazines, festival The flying disk was invented by college students. They used a metal pie plate from a bakery in Bridgeport, Connecticut. Students ate the bakerys pies and then threw the pie plates. Today, there are flying disk clubs,

48、magazines and a festival.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, several college students ate pies made by a bakery in Bridgeport, Connecticut. They found it interesting to throw the pie plates w

49、ith each other. Then it became a game. Today, there are flying disk clubs, magazines and even a festival. 4a. Think of something that you dont like doing. Then think of an invention that could help you.Write the details in the chart.Problem: we often get hurt by the hot water in the cup.New inventio

50、n: a cup that can tell you the temperature of the water.Use: It can show the temperature of the water.Price: Explanation 1. Potato chips were invented by mistakes. mistake 作名词作名词 “错误，误会错误，误会”。也可以作动词。也可以作动词 “弄错，犯错弄错，犯错”。常见形式有：。常见形式有：make a mistake 出错出错e.g. You have made a mistake here.mistakefor 错把错把

51、当作当作 They mistook him for his brother. by mistake 错误地错误地 e.g. They sent the letter to me by mistake. 2. Geroge wanted to make the customer happy. make表示表示“使使怎么样怎么样”，其后常带复，其后常带复合宾语。常见结构为：主语合宾语。常见结构为：主语+make+宾语宾语+名词名词/形容词形容词(做宾补做宾补)。例如：。例如：The boss can make the young man a rich man.3. Did you know tha

52、t teawas invented by accident? by accident “偶然地，碰巧偶然地，碰巧”。同义词组。同义词组 是是by chance，同义词是，同义词是accidentally, 反义反义 词组是词组是on purpose. e.g. he found a new way to solve the problem by accident.4. Although tea wasnt brought to the western world until 1610, (1) although 作连词作连词, 意为意为 “虽然虽然,尽管尽管”,引导引导让步状语从句让步状语从句

53、, 我们不能根据汉语习惯我们不能根据汉语习惯, 在在后面使用连词后面使用连词but, 不过它可以与不过它可以与yet, still连连用用;若主从句的主语相同若主从句的主语相同, 且从句谓语含有动且从句谓语含有动词词be, 可将从句主语和动词可将从句主语和动词be省略。省略。e.g. Although he is very busy, he always talks with us.(2) notuntil 意为意为 “直到直到才才”until 引导引导一个时间状语从句。一个时间状语从句。 I did not go to bed until I finished my homework.5.

54、According to an ancient Chinese legend， the emperor Shen Nong discovered tea(1) according to 是个短语介词是个短语介词,意为意为 “根根据据;依照依照”后接代词后接代词,名词或由疑问名词或由疑问词以及词以及whether引出的名词性从句。引出的名词性从句。e.g. According to the radio, it will rain tomorrow.(2)discover意为意为“发现发现”，指发现的对象是，指发现的对象是 本来存在的。本来存在的。 find意为意为“找到找到”，强调结果。，强调结

55、果。 invent意为意为“发明发明”，发明的对象是以前没，发明的对象是以前没 有的东西。有的东西。6. Some leaves from a nearby bush fell into the water and remained there for some time.(1) nearby adj. “附近的附近的“，e.g. He works in a nearby factory.(2)leaf 的复数形式为的复数形式为leaves(3)remain 表示表示 “继续留在某处继续留在某处” e.g. How long will you remain here? (4) fall int

56、o “落入落入, 陷入陷入”e.g. He was drunk and fell into the water用所给词的正确形式填空。用所给词的正确形式填空。 1. The TV _ (invent) around 1927.2. They are used for _ (see) in the park.3. This kite _ (make) by Uncle Wang.4. Tea _ (discover) a long time ago.5. Our classroom _ (should clean) every day.was invented seeingwas made wa

57、s discoveredshould be cleanedUnit 9 When was it invented?Self checkA: What is the used for?B: It is used for _.(count)countingA: What is the used for?B: It is used for _. (watch the things far away clearly)watching the things far away clearly.A: What is the _ used for?B: It is used for _ A: when is

58、it invented?B:_. about4,000years agokeep off the rain umbrellakeeping off the rainabout4,000years ago1. I dont like eating chocolate. The taste is too _. 2. Mom added salt but it still wasnt _ enough. 3. I prefer lemons to oranges. I like the _ taste. 4. She likes _ cookies. They are hard, dry and e

59、asily broken. crispysweetsaltysourcrispy, sweet, salty, sour1. Fill in the blank with the correct word given.Explanation 1. I prefer lemons to oranges. prefer是动词，意为是动词，意为“更喜欢更喜欢”，常可与，常可与like better, instead进行替换。常见句式有进行替换。常见句式有prefer A to B, prefer doing to doing B, prefer to do A rather than do B. 例

60、如：例如： I would prefer playing outside to watching TV. I prefer to go to the movie rather than stay at home. 2. They are hard, dry and easily broken. broken为为 break的过去分词，相当于形容的过去分词，相当于形容 词的作用，意为词的作用，意为“碎了的碎了的 ，坏了的，坏了的”,可作可作 定语或表语。例如：定语或表语。例如： -What s wrong with your watch? -Its broken. There is some b