九年级英语全册Unit6WhenwasitinventedSectionB-课件新版人教新目标版.ppt（纯ppt,可能不含音视频素材）

1、Unit 6 When was it invented?Section B (3a-Self Check)学习目标学习目标 To learn how to introduce an invention by using the passive voice.Review the passive voice（past tense）Who invented basketball?When was the first basketball game in history played?Why did James Naismith invent basketball?How to play basket

2、ball?What does basketball look like?Review34125whowhenhow.was/were invented by.invented.in+年份年份on+月，日，年月，日，年at the same timealthoughbecause.in order to.There be.color,shape,sizewhatwhyinventionHow to introduce an inventionwhywhenwhowhathowShennongaround 5,000 years agoby accidentbrown waternice fres

3、h smelltradeput the tea into the cup,then pour the waterHow to introduce teal Problem:_l New invention:_l What it is used for:_Think of something that you do not like to do.Then think of an invention that could help you.Make notes.a special penquickly taking notes in classtaking notes in classWritin

4、g3a3aThis special pen was invented by Liu Jie.It has three colors and is used for Imagine you are a business person.Write a description of your new inven-tion.Try to sell the invention to the class.3b3b常用句型：常用句型：1.I think is a very useful invention.我认为我认为是一项很有用的发明。是一项很有用的发明。2.was invented by 是由是由(某人

5、某人)发明的发明的3.was invented in 是在是在(某时间某时间)发明的发明的 4.It was used for 它被用来它被用来 5.is made of 是由是由(材料材料)制成的制成的Do you have these problem in our class or schoolDo you have these problem in our class or school？quickly taking notes in classThe Toilet isnt convienient.sitting on the chair is too tired dont like

6、our uniforms第一段：开篇推销：第一段：开篇推销：I want to introduce.第二段：介绍你的明（可参考使用第二段：介绍你的明（可参考使用5W1F的结构）的结构）第三段：对产品进行总结性评价，再次推销。第三段：对产品进行总结性评价，再次推销。就刚才四个问题当中选择一个进行一项发明，并将就刚才四个问题当中选择一个进行一项发明，并将发明的产品推销给其他小组，以此为题写一篇发明的产品推销给其他小组，以此为题写一篇90词词左右的作文。左右的作文。审题审题要点要点美化美化检查检查书写要工书写要工整！要！整！要！好好!看！看！sillyunconvenientwaste watert

7、oiletA problem about tiolet On the one hand,I think it is silly for me to wave(挥舞挥舞)my hands when I go to the toilet.On the other hand,its not convenient.So the new smart toilet was invented last weekend by me.My new smart toilet has three buttons.They stand for three different water levels.And the

8、water tank(水箱水箱)always full of water.We can choose different buttons when we leave the toilet.Hello,schoolmaster!Today I want to introduce a new invention to you.I think our teachers must be very glad to have one.It is not only convenient but also save water.Small inventions that changed the world,d

9、o you like my new invention?It is often difficult to decide on the inventor of certain inventions.This is invent,doubt,mention,website,all of sudden1.Complete the passage with the correct forms of the words in the box.Self Checkbecause sometimes a few people may _ things which are nearly the same.It

10、s hard to tell who came up with the idea first.Some inventions can also lead to other inventions _.So some people _ whether the inventor came inventall of a suddendoubtup with the idea himself or herself.They think that the inventor used someone elses idea to create his or her invention.That is why

11、books or _ usually _ more than one inventor when giving information about inventions.websitesmention1.Someone stole my watch._2.They used five eggs to make this big cake._3.When did they invent the personal computer?_ _My watch was stolen(by someone).When was the personal computer invented?Five eggs

12、 were used to make this big cake.2.Rewrite these sentences using the passive voice.4.They asked us not to run in the hallway._ _5.Someone took the video back to the store._ _The video was taken back to the store(by someone).We were asked not to run in the hallway(by them).Invention:_When:_Who:_Purpo

13、se:_in 2013umbrella with a lightLi Meng3.Find out information about an invention you would like to know more about and write sentences below.seeing in the rain in the dark 一、一、用所给单词的适当形式填空。用所给单词的适当形式填空。1.They _(invite)to take part in the May Day celebrations in Beijing.2.The _(popular)of private car

14、s is changing the peoples life style.Exerciseswere invitedpopularity3.When the bill _(bring)to him,he was such surprised.4.They gave their lives for their country and were honored as _(hero).5.We _(divide)into eight groups by our teacher last week.was broughtheroeswere dividedHomework1.Memorize the knowledge points.2.Do the exercises in students book.Thank you!