九年级英语unit6period4.ppt

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1、Unit 6 When was it invented?Section A Grammar Focus-4cMany people believe that tea was first drunk about 5,000years agoIt is said that a Chinese ruler called Shen Nongwas the first to discover tea as a drinksome leaves from a tea plant fell into the water and remained there for some timeIt produced

2、a nice smell so he tasted the brown water许多人认为茶是在许多人认为茶是在5，000年前首次饮用的年前首次饮用的据说一个叫做神农的统治者首次发现茶作为饮料据说一个叫做神农的统治者首次发现茶作为饮料一些茶树上的叶子掉进水里并且在里面留了一段时间一些茶树上的叶子掉进水里并且在里面留了一段时间它发出一股香味因此他就品尝这棕色的水它发出一股香味因此他就品尝这棕色的水The book describes how tea plants were grown and used to make teaIt is believed that tea was brought

3、 to Korea and Japan during the 6th and 7th centuriesThe tea trade from China to Western countries took place in the 19th centuryThe Chinese are without doubt the ones who best understand the nature of tea这本书描述了茶树怎样种植以及过去怎样泡茶的这本书描述了茶树怎样种植以及过去怎样泡茶的据认为茶在第据认为茶在第6到到7世纪被带到朝鲜和日本世纪被带到朝鲜和日本从中国到欧洲的茶叶贸易发生在从中国到

4、欧洲的茶叶贸易发生在19世纪世纪中国人毫无疑问是最懂茶道的人民中国人毫无疑问是最懂茶道的人民Grammar FocusWhen 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 the 6th and 7th centuries.What is the hot ice-cream scoop used for?It

5、s used for serving really cold ice-creamActive Voice:Alexandar Graham Bell invented the telephone in 1876.Passive Voice:The telephone was invented(by Alexander Graham Bell)in 1876.The simple past passive voice 一般过去时一般过去时被动语态被动语态一般过去时被动语态表示过去经常性、习惯性被动动作一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作，与主动语态相比或

6、过去某一时刻发生的被动性动作，与主动语态相比,被被动语态中主语是谓语动作的执行者。动语态中主语是谓语动作的执行者。被动语态的构成被动语态的构成:主语主语+助动词助动词was/were+(及物动词的及物动词的)过去分词过去分词 was(were)+done(P.P.)GrammarBell invented the telephone in 1876.The telephone was invented by Bell in 1876.主动语态变被动语态的结构图主动语态变被动语态的结构图:主语主语谓语动词谓语动词过去式过去式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

7、宾语时间状语时间状语用所给动词的正确形式填空：用所给动词的正确形式填空：1.The bike _(fix)up by Xiaoming yesterday.2.Shields _(use)for protecting peoples body in the past.3.Last year,a picture _(put)up on the blackboard.4.She said French_(speak)in France.5.Teenagers _(allow)to choose their own clothes two years ago.was fixedwere usedwa

8、s putwas spokenwere allowedPractice1.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 riters translated the book into different languages._The fridge was sold at a low pric

9、e.My camera was stolen from my hotel room.Where were these photos taken?We were advised not to go out alone.The book was translated into different languages.4a Rewrite the sentences using the passive vocie.4b Complete the sentences with the correct forms of the verbs in the box.You_ to the party las

10、t night,werent you?Why didnt you go?2.The earthquake happened all of a sudden,but luckily thevillagers _ 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 rule when she started eating a biscuit in science class.5.The cookies _by th

11、e hungry kids in less than 20 minutes,and they really _them.eat,lock,like,ring,invite,break,tell,bring were invitedwere broughtwas lockedrangwere toldbrokewere eatenliked4c Decide whether active or passive forms should be used in these sentences.Write the correct forms in the blanks.The telephone _(

12、invent)by AlexanderGraham Bell.He_(born)in 1847.Mr.Bell _（work）on the invention of thetelephone with Thomas Watson.In 1875,Mr.Bell_(learn)how to send musical notesthrough an instrument similar to a telephone.Finally,the telephone _(invent)in 1876.The first sentence that _(say)onthe telephone by Mr.Bell was“Mr.Watson,comehere;I want to see you.”Today the telephone_(use)around the world.was inventedwas bornworkedlearnedwas saidis used was inventedHomework