2018人教版九年级英语unit6A3A-3Cppt.ppt

学练优九年级英语（学练优九年级英语（RJRJ）教学课件教学课件Unit 6 When was it invented?Section A (3a-4c)学习目标学习目标 Key words&phrases:by accident 偶然；意外地偶然；意外地by accident 偶然；意外的偶然；意外的ruler n.统治者；支配着统治者；支配着 boil v.煮沸；烧开煮沸；烧开 remain v.保持不变；剩余保持不变；剩余 smell n.（smellt/smelled）气味气味v.发出发出气味；闻到气味；闻到 saint n.圣人；圣徒圣人；圣徒 national adj.国家的；民族的国家的；民族的trade n.贸易；交易贸易；交易 v.做买卖，从事交易做买卖，从事交易 take place 发生；出现发生；出现 doubt n.疑惑；疑问疑惑；疑问 v.怀疑怀疑 without doubt 毫无疑问；的确毫无疑问；的确 Key sentences:When was tea brought to Korea?It was brought to Korea during the 6th and 7th centuries.Whats the most traditional drink in China?Tea has a long history.Tea was first drunk nearly 5,000 years ago.boiling drinking waterleavesIt smells pleasant.It tastes delicious and Pre-readingWho was tea invented by?It was invented by the Chinese ruler called Shen Nong Shen Nong How was it invented?boiling water over an open fire fell into and remainedproduced a nice smelltasted the brown water tea It was invented by accident.Read the passage quickly and match each paragraph with its main idea.Para.1Para.2 Para.3 Lu Yu and his book Cha JingHow tea spread to other countriesHow tea was invented by accident 偶然；意外地偶然；意外地While-reading3a3.Who is called“the saint of tea”?_ Read the passage again and answer the questions.1.When was tea first drunk?_2.How was tea invented?_It was first drunk about 5,000 years ago.It was invented by accident.Lu Yu.n.圣人，圣徒圣人，圣徒3b4.What is Cha Jing about?_ _ _ _5.When was tea brought to other countries?_ _ _The book describes how tea plants were grown and used to make tea.It also discusses where the finest tea leaves were produced and what kinds of water were used.Tea was brought to Korea and Japan during the 6th and 7th centuries.It wasbrought to England at around 1660.Fill in the blanks with the proper forms according to the first paragraph.Tea(after water),the most popular drink in the world _(invent)by accident.It is believed that tea _(drink)5,000 years was inventedwas drunkPost-readingago.It _(say)that a Chinese ruler _(call)Shen Nong was the first _(discover)tea as a drink.One day Shen Nong _(boil)drinking waterover an open fire.Some leaves from a tea plant _(fall)into the water and is saidcalledto discoverwas boilingn.统治者，支配者统治者，支配者v.煮沸，烧开煮沸，烧开fellremained there for some time.It _(produce)a nice smell so he _(taste)the brown water.It was quite delicious,and so,one of the worlds favorite drinks _(invent).producedwas inventedtastedv.保持不变保持不变n.气味气味Fill in the blanks with the proper forms according to the second paragraph.Lu Yu,“the saint of tea”,_(mention)Shen Nong in his book Cha Jing a few thousand years later.The book describes how tea plants _ and used to make tea.It also discusses where the finest tea leaves _(produce)and what kinds of water _(use).mentionedwere grownwere producedwere usedFill in the blanks with the proper forms according to the third paragraph.People believed that tea _(bring)to Korea and Japan during the 6th and 7th centuries.In England,tea _(not appear)until around 1660,but in less than 100 years,it had become the national drink.The tea trade from China to Western countries _(take)place in the 19th century.was broughtdidnt appeartookThis _(help)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 _(be)without doubt the ones who best _(understand)the nature of tea.helpedareunderstand毫无疑问；的确毫无疑问；的确1.One of the worlds favorite drinks was _ by accident.2.Tea was first _ by Shen Nong 5,000 years ago.Complete the sentences with the correct forms of the verbs in the box.invent,drink,bring,produce,tradeinventeddrunk3.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 _ between many different countries.tradedproducedbroughtinvent,drink,bring,produce,trade1.by accident 偶然；意外地偶然；意外地e.g.The little girl knocked the glass by accident.小女孩不小心碰落了玻璃杯。小女孩不小心碰落了玻璃杯。Language Pointse.g.The new nation needed a modern-minded ruler.这个新兴国家需要一位现代头脑的这个新兴国家需要一位现代头脑的统治者。统治者。2.ruler n.统治者；支配者统治者；支配者3.boil v.煮沸；烧开煮沸；烧开e.g.Boil the potato for 20 minutes.把土豆煮把土豆煮20分钟。分钟。rule(统治统治)+(e)r ruler 统治者统治者4.remain v.保持不变；剩余保持不变；剩余e.g.Only a few leaves remained on the tree.树上仅剩下几片叶子。树上仅剩下几片叶子。作连系动词，后跟名词、形容词、不定作连系动词，后跟名词、形容词、不定 式、分词等做表语。指保持某种状态。式、分词等做表语。指保持某种状态。e.g.Peter became a manager,but Mike remained a worker.彼得成为了经理，可迈克仍是工人。彼得成为了经理，可迈克仍是工人。作不及物动词，意为作不及物动词，意为“剩余剩余”。e.g.The apples give off a sweet smell.苹果发出非常甜的味道。苹果发出非常甜的味道。5.smell n.气味气味v.发出气味；闻到发出气味；闻到e.g.I can smell some nice noodle soup.我能闻到香喷喷的面汤味。我能闻到香喷喷的面汤味。6.national adj.国家的国家的;民族的民族的e.g.Li Na,without doubt,is the best tennis player in China.毫无疑问，李娜是中国最优秀的网球毫无疑问，李娜是中国最优秀的网球运动员。运动员。nation(国家国家)+al national e.g.The group of dancers wore national dress.那群跳舞演员穿着民族服装。那群跳舞演员穿着民族服装。7.without doubt 毫无疑问；的确毫无疑问；的确8.take place 发生；出现发生；出现 是不及物动词，不能用于被动语态；是不及物动词，不能用于被动语态；常指事先安排或事发有因的事情。常指事先安排或事发有因的事情。e.g.Her sisters marriage took place at 8:00 today.她姐姐的婚礼今天八点举行。她姐姐的婚礼今天八点举行。辨析：辨析：happen则常指偶然发生的事情则常指偶然发生的事情 e.g.I happened to see Peter on my way to the museum.在去博物馆的路上我碰巧遇到皮特。在去博物馆的路上我碰巧遇到皮特。9.It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.据说有一位叫作神农的中国统治者最早发现据说有一位叫作神农的中国统治者最早发现 了茶可以饮用。了茶可以饮用。It is said that是个常见句式，表示是个常见句式，表示“据据 说说”,that后面接完整的句子。后面接完整的句子。e.g.It is said that thirteen is an unlucky number in many Western countries.据说在许多西方国家据说在许多西方国家13是个不吉利的数字。是个不吉利的数字。本单元还有一个类似的句式本单元还有一个类似的句式:It is believed that，意思是，意思是“人们认为人们认为”,其后同样接完整的句子。其后同样接完整的句子。e.g.It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries.人们认为，茶在六至七世纪传到了人们认为，茶在六至七世纪传到了 朝鲜和日本。朝鲜和日本。10.茶经茶经是我国唐代一部有关茶叶是我国唐代一部有关茶叶 及品茶的专著，作者陆羽。该书共及品茶的专著，作者陆羽。该书共 分三卷十节，全面叙述了茶叶生产分三卷十节，全面叙述了茶叶生产 的历史，源流，生产技术以及饮茶的历史，源流，生产技术以及饮茶 技艺和茶道原理，享有技艺和茶道原理，享有“茶叶百科茶叶百科 全书全书”之美誉。之美誉。根据课本内容，完成下列句子。根据课本内容，完成下列句子。1.拉链是什么时候被发明的？拉链是什么时候被发明的？_ _ the zipper _?2.它于它于1893年被发明。年被发明。It _ _ in 1893.was inventedWhen was inventedGrammar Focus3.它是由谁发明的？它是由谁发明的？_ _ it invented _?4.它是由惠特科姆它是由惠特科姆贾得森发明的。贾得森发明的。It _ _ _ Whitcomb Judson.5.茶叶什么时候被带到朝鲜去的？茶叶什么时候被带到朝鲜去的？_ _ tea _ to Korea?was invented by When was brought Who was by6.是在六到七世纪之间被带到朝鲜。是在六到七世纪之间被带到朝鲜。It _ _ to Korea _the 6th and 7th centuries.7.热冰淇淋勺用来做什么？热冰淇淋勺用来做什么？What _ the hot ice-cream scoop _ _?8.它用来挖很冷的冰淇淋。它用来挖很冷的冰淇淋。Its _ _ _ really cold ice-cream.used for serving is used forwas brought during9.贝尔于贝尔于1876年发明了电话机。年发明了电话机。Alexander Graham Bell _ the telephone in 1876.10.电话机在电话机在1876年被贝尔所发明。年被贝尔所发明。The telephone _ _ _ Alexander Graham Bell in 1876.invented was invented by重点短语1.by accident1.by accident意外，偶然意外，偶然2.in the world 2.in the world 世上世上3.It is 3.It is saidesaide that that据说据说4.over an open fire4.over an open fire野炊野炊5.fall into5.fall into落到落到6.a few thousand years6.a few thousand years几千年几千年7.It is believed that7.It is believed that人们相信人们相信8.not8.notuntiluntil 直到直到才才9.less than9.less than少于，不到少于，不到10.take place 10.take place 发生；出现发生；出现 11.in the 19th century 11.in the 19th century 在在1919世纪世纪12.the popularity of tea12.the popularity of tea茶的知名度茶的知名度13.even though13.even though尽管，但是尽管，但是14.know about14.know about了解了解15.without doubt 15.without doubt 毫无疑问毫无疑问 16.the nature of tea16.the nature of tea茶的内涵茶的内涵重点短语1.意外，偶然2.世上3.据说4.野炊5.落到6.几千年7.人们相信8.直到才9.少于，不到10.发生；出现 11.in 在19世纪12.12.茶的知名度茶的知名度13.13.尽管，但是尽管，但是14.14.了解了解15.15.毫无疑问毫无疑问 16.16.茶的内涵茶的内涵词 汇fridge n.冰箱Low adj.低的；矮的somebody pron.某人 n.重要人物translate v.翻译 lock v.锁上；锁住 earthquake TkweIk n.地震 sudden adj.突然（的）all of a sudden 突然；猛地 bell n.钟（声）；玲（声）biscuit n.饼干 cookie n.曲奇饼 musical adj.音乐的；有音乐天赋的 instrument n.器械；仪器；工具 英语有两种语态：主动语态和被动语态。主英语有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者，而被动语动语态表示主语是动作的执行者，而被动语态则表示主语是动作的承受者。如：态则表示主语是动作的承受者。如：We cleaned the classroom yesterday.我们昨天打扫了教室。我们昨天打扫了教室。(主动语态，主语主动语态，主语we是是clean这一动作的执行者这一动作的执行者)The classroom was cleaned yesterday.教室昨天被打扫。教室昨天被打扫。(被动语态，主语被动语态，主语the classroom是是clean这一这一动作的承受者动作的承受者)一般过去时被动语态的结构为一般过去时被动语态的结构为“主语主语+was/were+及物动词的过去分词及物动词的过去分词(+by+动动作的执行者作的执行者).”。如：。如：Trees were planted last spring.去年春天种了树。去年春天种了树。一、一般过去时被动语态一、一般过去时被动语态1.肯定句：肯定句：主语主语+was/were+及物动词的过去分及物动词的过去分词词+其他其他.e.g.Paper was invented by Chinese people two thousand years ago.纸是中国人在二千多年前发明的。纸是中国人在二千多年前发明的。2.否定句：否定句：主语主语+was/were not+及物动词的过及物动词的过 去分词去分词+其他其他.e.g.Women were not allowed to take part in the games at first.开始妇女不允许参加奥运会。开始妇女不允许参加奥运会。e.g.Was this picture drawn by your sister?这幅画这幅画是你妹妹是你妹妹画画的吗？的吗？3.一般疑问句：一般疑问句：Was/Were+主语主语+及物动词的过去分及物动词的过去分 词词+其他其他?1.不知道谁是动作的执行者，或没有必要指出不知道谁是动作的执行者，或没有必要指出谁是动作的执行者。谁是动作的执行者。e.g.English is spoken all over the world.全世界都在说英语。全世界都在说英语。2.需要突出或强调动作的承受者。需要突出或强调动作的承受者。e.g.This dictionary is used by most students.这本字典是大多数学生在用的。这本字典是大多数学生在用的。二、被动语态的用法：二、被动语态的用法：1.有些短语动词相当于及物动词，变为被有些短语动词相当于及物动词，变为被动句时介词或副词不能去掉。动句时介词或副词不能去掉。e.g.They put off the meeting because of the weather.The meeting was put off because of the weather.会议因天气的缘故被推迟了。会议因天气的缘故被推迟了。三三、主动语态变被动语态主动语态变被动语态应注意的问题应注意的问题2.含有双宾语的主动句变为被动句时，通常把指含有双宾语的主动句变为被动句时，通常把指“人人”的间接宾语变为主语，指的间接宾语变为主语，指“物物”的直的直接宾语保留不变；如果把指接宾语保留不变；如果把指“物物”的直接宾的直接宾语变为主语，则在间接语前加语变为主语，则在间接语前加to或或for。e.g.My aunt gave me an e-dictionary yesterday.I was given an e-dictionary yesterday.An e-dictionary was given to me yesterday.3.主动句中感官动词主动句中感官动词see/hear/watch/feel等和使役动词等和使役动词make/let/have等后等后跟省略跟省略to的动词不定式，变为被动语态的动词不定式，变为被动语态时应加上不定式符号时应加上不定式符号to。e.g.I saw a heavy man enter the house.A heavy man was seen to enter the house.4.系动词、不及物动词或某些短语动词系动词、不及物动词或某些短语动词（happen,take place,come true,fall asleep）没有被动语态。）没有被动语态。e.g.What happened to Mr.Brown?布朗先生发生了什么事？布朗先生发生了什么事？将下列句子变为被动语态。将下列句子变为被动语态。1.He chose six story books the other day.Six story books _ _ by him the other day.2.Uncle Lee gave Jack a large cake for he painted the wall wonderfully.Jack _ _ a large cake for he painted the wall wonderfully.was givenwere chosenExercises3.A mouse ate half of the cake last night.Half of the cake _ _ by a mouse last night.was eaten将下列句子变为主动语态。将下列句子变为主动语态。4.Were these machines invented by Edison?_ Edison _ these machines?Did invent5.The post card was sent to Linda by Paul.Paul _ the post card _ Linda.6.America was discovered by Columbus.Columbus _ America.sent todiscovered对划线部分提问对划线部分提问 7.Shoes with lights were used for seeing in the dark._ _ shoes with lights _ for?8.Paper was invented in China almost a thousand years ago._ _ paper _ in China?usedWhat wereWhen was inventedRewrite the sentences using the passive voice.【点拨点拨】原句为一般过去时态，原句的原句为一般过去时态，原句的谓语动词为谓语动词为sold，宾语为，宾语为the fridge；改；改为被动语态时，应将为被动语态时，应将the fridge作主语，作主语，谓语动词用谓语动词用was sold的形式。的形式。1.They sold the fridge at a low price.The fridge was sold at a low price.4a【点拨点拨】分析原句的句子结构可知，分析原句的句子结构可知，stole是谓语动是谓语动词，词，my camera是句子的宾是句子的宾语；改为被动语态句时，应将语；改为被动语态句时，应将my camera作句子主语，谓语动词用作句子主语，谓语动词用was stolen的形式。的形式。2.Somebody stole my camera from my hotel room._ _My camera was stolen 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._ _Where were these photos taken?We were advised not to go out alone.The book was translated into different languages by different writers.1.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.were invitedeat,like,invite,tell,lock,ring,break,bringwere broughtComplete the sentences with correct forms of the verbs in the box.句子主语句子主语you与与invite之间之间存在被动关系。存在被动关系。villagers与与bring之间之间存在被动关系存在被动关系4b3.The door _ when we arrived,so we _ the bell.4.The students _ not to eat or drink in class,but Ruby _ the rule 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.was lockedrangbrokewere toldwere eatenlikedthe door与与lock之间为被动之间为被动关系；而关系；而we与与ring之间则为之间则为主动关系；其他各题相同。主动关系；其他各题相同。The telephone _(invent)by Alexander Graham Bell.He _(born)in 1847.Mr.Bell _(work)on the invention of the telephone with Thomas Watson.was bornwas inventedworkedDecide whether active or passive forms should be used in these sentence.Write the correct forms in the blanks.the telephone与与invent之间之间存在被动关系；存在被动关系；Mr.Bell与与work之间是主动关系。之间是主动关系。4cIn 1875,Mr.Bell _(learn)how to send musical notes through 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.learnedwas inventedwas said is usedMr.Bell与与learn之间为之间为主动关系。主动关系。重点短语1.at a low price 以很低的价格2.advise sb(not)to do sth建议某人(不要)做某事3.translate.into.把翻译成4.all of a sudden 突然地5.start/begin doing sth=start/begin to do sth开始做某事6.work on sth 致力于某事7.(be)similar to 与相似 8.break the rule 违规9.be born in 出生在10.send musical notes发送音符重点短语1.以很低的价格2.建议某人(不要)做某事3.把翻译成4.突然地5.开始做某事6.致力于某事7.与相似 8.违规9.出生在10.发送音符Thank you!