人教英语九年级上Unit6WhenwasitinventedSectionA3a4c课件.pptx（无音视频素材）

1、Unit 6 When was it invented?人教版 英语 九年级上册Section A 3a-4cLearning goals1.Curriculum words:ruler,boil,remain,smell,national,trade,doubt,fridge,low,somebody,translate,lock,ring,earthquake,sudden,bell,biscuit,cookie,musical,instrument 4.Sentences：When was the zipper invented?It was invented in 1876.Who w

2、as it invented by?3.Grammar：Passive voice in past tense 2.Useful expressions：by accident,take place,without doubt,all of a suddenWarming upFree talkWhen was it invented?PresentationAn Accidental Inventionl What does it mean?l Can you think of an invention that was invented by accident?偶然；意外地Presenta

3、tionParagraph 1 Lu Yu and his book Cha JingParagraph 2 How tea spread to other countriesParagraph 3 How tea was invented by accident3aRead the passage quickly and match each paragraph with its main idea.An Accidental InventionPresentationRead the passage again and answer the questions.1.When was tea

4、 first drunk?2.How was tea invented?3.Who is called“the saint of tea”?4.What is Cha Jing about?5.When was tea brought to other countries?3bPresentationRead the passage again and answer the questions.1.When was tea first drunk?2.How was tea invented?3.Who is called“the saint of tea”?3bIt was first dr

5、unk about 5,000 years ago.Some leaves from a tea plant fell into the boiling water when Shen Nong was boiling drinking water over an open fire.It produced a nice smell and tasted delicious.This is how tea was invented.Lu Yu is called“the saint of tea”.PresentationRead the passage again and answer th

6、e questions.4.What is Cha Jing about?5.When was tea brought to other countries?3bIt describes how tea plants were grown and used to make tea.It was brought to Korea and Japan during the 6th and 7th centuries and to England around 1600.PresentationDid you know that tea,the most popular drink in the w

7、orld(after water),was invented by accident?Many people believe that tea was first drunk about 5,000 years ago.It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.One day Shen Nong was boiling drinking water over an open fire.Some leaves from a tea plant fell int

8、o the water and remained there for some time.It produced a nice smell so he tasted the brown water.It was quite delicious,and so,one of the worlds favorite drinks was invented.A few thousand years later,Lu Yu,“the saint of tea”,mentioned Shen Nong in his book Cha Jing.The book describes how tea plan

9、ts were grown and used to make tea.It also discusses where the finest tea leaves were produced and what kinds of water were used.It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries.In England,tea didnt appear until around 1660,but in less than 100 years,it had bec

10、ome the national drink.The tea trade from China to Western countries took place in the 19th century.This helped to spread the popularity of tea and the tea plant to more places around the world.Even though many people now know about tea culture,the Chinese are without doubt the ones who best underst

11、and the nature of tea.An Accidental Invention n.统治者；支配者据说n.贸易；交易 adj.国家的；民族的n.饮品boil v.煮沸；烧开remain v.剩余n.气味 Presentationby accident 偶然；意外地Point1.How tea was invented by accident（教材P43 3a）Language pointsby accident相当于by chance，通常在句中作状语，也可以作表语。其反义短语是onpurpose“故意地”。This piece of music has a lasting val

12、ue though it is made up by accident.PresentationIt is said that.据说Point2 2.It is said that a Chinese ruler called Shen Nong.（教材P43 3a）Language pointsIt is said that.中的It作形式主语，真正的主语是that引导的从句。该结构相当于“People say that“。It is said that she works as a director.与此类似的结构还有：It is believed that 人们认为It is repor

13、ted that 据报道It is（well）known that 众所周知Presentationboil /bl/v.煮沸；烧开Point3.One day Shen Nong was boiling drinking water（教材P43 3a）Language pointsboil在此处作及物动词；它也可作不及物动词，其后接温度时要用介词at。boil 作动词，还可意为“（用开水）煮（食物）”。Water usually boils at 100.Can you help me boil dumplings?boiled waterboiling water开水（形容水被烧开的状态）

14、沸水（形容水正在沸腾的状态）Presentationremain/rmen/v.保持不变；剩余Point4.and remained there for some time.（教材P43 3a）Language points（1）remain在此处作不及物动词，意为“剩余，遗留，继续存在”。There are only ten minutes remaining.（2）remain作不及物动词，还可表示“逗留；不离去”。The plane remained on the ground.Presentationsmell/smel/n.气味 v.发出.气味；闻到Point5.It produce

15、d a nice smell（教材P43 3a）Language points（1）smell在此处作可数名词，意为“气味”。smell还可作不可数名词，意为“嗅觉”。The flower has a sweet smell.（2）smell还可作系动词，意为“有.气味，发出.气味”，后接形容词作表语。The cheese cake smells so good that I cant wait to eat it.（3）smell也可作及物动词，意为“闻到，嗅到（气味）”。I smelt something burning.Presentation national/nnl/adj.国家的；

16、民族的Point6.it had become the national drink.（教材P43 3a）Language pointsnational作形容词，由“nation（n.国家；民族）+-al（形容词后缀）”构成。These buildings are part of our national heritage.Presentationtrade/tred/n.贸易；交易 v.做买卖；从事贸易Point17.The tea trade from China to Western countries took place in the 19th century.（教材P43 3a）L

17、anguage points（1）trade在此处作名词，意为“贸易；交易”，此时常用作不可数名词。Trade between the two countries has increased.（2）trade还可作动词，意为“做买卖；从事贸易”。常用结构：trade（in sth.）with sb.与某人交易（某物）。They had years of experience of trading with the West.Presentationtake place 发生；举行Point27.The tea trade from China to Western countries took

18、 place in the 19th century.（教材P43 3a）Language pointstake place为不及物动词短语，不能用于被动语态。指根据安排或计划发生，含有事先预料或计划的意思。The 2022 Winter Olympics will take place in Beijing,China.l happen意为“发生”，为不及物动词，不能用于被动语态。指具体客观事件的发生，有偶然性，未能预见。A car accident happened last night.Presentationwithout doubt 毫无疑问；的确Point8.the Chinese

19、 are without doubt the ones who best understand the nature of tea.（教材P43 3a）Language pointswithout doubt可与there is no doubt that进行同义句转换。其中doubt作名词，意为“疑问；疑惑”。He is without doubt the best teacher in our school.There is no doubt that he is the best teacher in our school.PresentationComplete the sentenc

20、es with the correct forms of the verbs in the box.1.One of the worlds favorite drinks was _ by accident.2.Tea was first _ by Shen Nong 5,000 years ago.3.A nice smell was _ when the tea leaves dropped into the hot water.4.Tea was _ to Korea and Japan during the 6th and 7th centuries.5.Tea is now _ be

21、tween many different countries.invented3cdrunkproducedbroughttradedinvent drink bring produce trade注意drink和trade的词性Presentation本文中对茶的描述Lets summarize.本文中词性转换而词形不变的重要单词本文中词性转换且词形也变的重要单词teathe most popular drink the brown waternational drinkone of the worlds favorite drinksproducing a nice smelldrinkt

22、asteplantsmelltradeinventinventionpopularpopularityGrammar FocusRead the following sentences and find out the common features.When was the zipper invented?It was invented in 1893.Who was it invented by?It was invented by Whitcomb Judson.When was tea brought to Korea?It was brought to Korea during th

23、e 6th and 7th centuries.What is the hot ice-cream scoop used for?Its used for serving really cold ice-cream.Active Voice:Alexander Graham Bell invented the telephone in 1876.Passive Voice:The telephone was invented(by Alexander Graham Bell)in 1876.一般过去时的被动语态Grammar Focus一般过去时的被动语态由“was/were+及物动词的过去分

24、词”构成。The mobile phone has greatly influenced peoples life since it was invented.These books were written for children.一般过去时的被动语态的构成Grammar Focus句式结构例句肯定句主语+was/were+过去分词.The club was set up in 2010.否定句主语+wasnt/werent+过去分词.1 wasnt told to attend the meeting yesterday.一般疑问句及回答Was/Were+主语+过去分词?肯定回答:Yes

25、,主语+was/were.否定回答:No,主语+wasnt/werent.Were the trees planted last year?Yes,they were./No,they werent.特殊疑问句特殊疑问词+was/were+主语+过去分词?When was the bridge completed?一般过去时的被动语态的句式Grammar Focus（1）含双宾语的主动结构变被动结构时，不要忽略间接宾语前的介词。We gave some flowers to Miss Gao on Teachers Day.Some flowers were given to Miss Gao

26、 on Teachers Day.（2）含有动词短语的主动结构变被动结构时，不要漏掉短语中的介词或副词。We handed in our homework last Friday.Our homework was handed in last Friday(by us).使用被动语态时的注意事项Grammar Focus（3）在含有使役动词make或感官动词（see,watch,notice,hear 等）的主动语态 的句子中，这些词后常跟省略to的动词不定式，但是改为被动语态时则要 把省去的to还原。I saw him cross the road and enter the shop.He

27、 was seen to cross the road and enter the shop(by me).使用被动语态时的注意事项Grammar Focus（4）含双宾语的主动结构变为被动结构时，既可将间接宾语转化为主语，也可 将直接宾语转化为主语。若将间接宾语转化为主语，则保留直接宾语；若 将直接宾语转化为主语，则保留间接宾语，且在被保留的间接宾语前加上 介词to或for。My mother gave me a pencil.I was given a pencil by my mother.A pencil was given to me by my mother.使用被动语态时的注意事

28、项Grammar FocusRewrite the sentences using the passive voice.1.They sold the fridge at a low price._2.Somebody stole my camera from my hotel room._3.Where did you take these photos?_4.Our parents advised us not to go out alone._5.Different writers translated the book into different languages._4aThe b

29、ook was translated into different languages by different writers.My camera was stolen from my hotel room(by somebody).Where were these photos taken?We were advised by our parents not to go out alone.The fridge was sold at a low price.pron.某人 n.重要人物translate v.翻译Grammar FocusComplete the sentences wi

30、th the correct forms of the verbs in the box.4b1.You _ to the party last night,werent you?Why didnt you go?2.The earthquake happened all of a sudden,but luckily the villagers _to a safe place.3.The door _ when we arrived,so we _ the bell.4.The students _ not to eat or drink in class,but Ruby _ the r

31、ule when she started eating a biscuit in science class.5.The cookies _ by the hungry kids in less than 20 minutes,and they really _ them.were invitedeat like invite tell lock ring break bring were brought was locked rang were told broke were eatenlikedv.锁上v.（使）发出钟声或铃声all of a sudden 突然；猛地Grammar Foc

32、usDecide whether active or passive forms should be used in these sentences.Write the correct forms in the blanks.4cThe telephone _(invent)by Alexander Graham Bell.He _(born)in 1847.Mr.Bell _(work)on the invention of the telephone with Thomas Watson.In 1875,Mr.Bell _(learn)how to send musical notes t

33、hrough an instrument similar to a telephone.Finally,the telephone _(invent)in 1876.The first sentence that _(say)on the telephone by Mr.Bell was“Mr.Watson,come here;I want to see you.”Today the telephone _(use)around the world.was invented was born worked learned was invented was said is usedadj.音乐的

34、；有音乐天赋的；n.器械；仪器；工具Grammar Focus亚历山大格雷厄姆贝尔，电气工程学家、发明家、企业家和聋哑教育家，出身于苏格兰，1870年移民加拿大，而后移居美国，在波士顿大学工作。贝尔的父亲从事聋哑人教育工作。受父亲的影响，贝尔从小就对语言和声音传播很有兴趣。在一次做电报实验时，他发现一块铁片在磁铁前面振动发出的微弱声响竟通过导线传到了远处。这个现象给了贝尔很大的启示。1875年贝尔发明了电话，随后经过不断实验、改进，终于在1876年3月通过他发明的装置传出了人类在电话机上说的第一句话。为此他申请并获得了世界上第一台可用电话机的专利权，而后他创建了贝尔电话公司（AT&T公司的前身

35、）。除此之外，贝尔还制造了助听器，改进了爱迪生发明的留声机，设计出一个检验人体内金属的装置，成为X光机的前身。在教育及社会工作方面，贝尔继承父业，致力于聋哑教育，对聋哑语的发明贡献甚大，他写的文章和小册子超过100篇（本）。他还是美国“国家地理学会”（National Geographic Society）和科学（Science）杂志的创办人。亚历山大格雷厄姆贝尔（Alexander Graham Bell，1847-1922）Exercises1.You cant _（翻译）every English word into Chinese,and its not good for your E

36、nglish study.2.We were talking on the phone._(sudden),the line went dead.3.Look!The water in the pot is b_.4.Thousands of people go to Tiananmen Square and watch the _ _（国旗）go up every morning.5.“Are you sure you can work out the problem yourself?”Peter asked me in d_.translateoiling Suddenly nation

37、aloubt一、根据汉语、首字母或英文提示填空flagExercises1.To peoples great surprise,the old building still _ after the strong earthquake.A.refused B.remained C.required D.reviewed2.Mom,may I drink the milk on the table.No,you cant.It smells _.It has gone bad.A.good B.well C.terribly D.terribleB D 二、单选Exercises3.Our cla

38、ssroom is so clean.Who cleaned it,Li Fei?Sorry,I dont know.I think _ did it before class.A.somebody B.nobody C.everyone D.anyone4.When did the tea trade from China to Western countries _?In the 19th century.A.take after B.take off C.take place D.take awayA C SummaryHomework1.Read and recite the new words and the passage in 3a.2.Make sentences with the useful expressions：by accident,take place,without doubt,all of a suddenTHANKS谢谢聆听！