[公开课课件]选修八：unit3(module8)-Bell.ppt

1、Do you know any inventors and inventions?Guess what the invention is or who the inventor is.The inventor is from America.He is one of the father of inventions.The inventor invented the bulb.312Who is he?Edison This invention looks like a bird.Its made of metal.It makes it possible for people to fly

2、to different places in the world.It is powered by an engine and is flown by a pilot.3124What is it?Airplane This invention can help people in the street.It looks like a tree standing beside the street.It directs cars and trucks.It uses colored lights.Red means stopping,green means going.Traffic ligh

3、ts3124What is it?He was a world-famous inventor from Sweden.Here is one of his photos.He invented dynamite(炸药炸药).A famous prize was named after him.Who is he?3124Alfred Nobel The invention looks like a chair.It has a pipe through which the waste can go.People use it to remove waste material from the

4、ir bodies.It is usually made of china these years.What is it?3124 Toilet Its made of plastics and metal.It looks like a small box with a screen and buttons on it.With the invention you can contact someone while you are walking.312What is it?Mobile phone Lead-in Telephones have become part of our lif

5、e.But do you know who invented the telephone?A British inventor called Alexander Graham Bell.亚历山大格雷厄姆贝尔亚历山大格雷厄姆贝尔 Brainstorming:Tell something about Alexander Graham Bell and his inventions.Pre-readingGrasp the main idea of the passage.It mainly talks about _ of Alexander Graham Bell and how he made

6、 the_ Skimming:While-reading the lifegreat inventions.1.Which of the following statements is not true?A.Bell invented the telephone by chance.B.Bell got a patent for the telephone at 30.C.Bell was interested in helping deaf peopleD.Bell succeeded in many areas besides the telephoneBScanning and Comp

7、rehending2.In the year _ Bell made his last invention.A.1920 B.1921 C.1922 D.19233.Modern bridge designs benefit a lot from _.A.triangles B.tetrahedron shape C.kites D.flying machines4.His most famous saying suggested that he was _.A.thinking hard B.to rest C.of few words D.thinking too muchCBAReadi

8、ng for details:Para.1.What was his interest when he was young?And why?He became interested in helping deaf people communicate and in education.Because his mother was entirely deaf.He believed that his curiosity was the key to his success.Para.2.What did he think was the key to his success as an inve

9、ntor?aim:wanted to improvedesigned a machineexperimented withnoticedsuddenly had a flash of inspiration:inventedIn searching to improve_,Bell invented the first telephone!By chancethe telegraphPara.4-7 What is the importance of his invention?Friends will talk to each other without leaving home.What

10、was his new discovery?The tetrahedron shape.By chance1.He found that by pressing his lips against his mothers forehead,he could make his mother understand what he was saying.他发现当他把嘴唇放在母亲的前额上，他他发现当他把嘴唇放在母亲的前额上，他就会让他母亲明白他说的话。就会让他母亲明白他说的话。Key and difficult sentencesPost-reading:2.“Leave the beaten trac

11、k occasionally and Leave the beaten track occasionally and dive intodive into the woods.the woods.EveryEvery timetime you doyou do you you will be certain to find something that you will be certain to find something that you have never seen before.Follow it up,explore have never seen before.Follow i

12、t up,explore all around it,and before you know it,you all around it,and before you know it,you will have something will have something worth thinking aboutworth thinking about to occupy your mind.to occupy your mind.All really big All really big discoveries are the result of thought.”discoveries are

13、 the result of thought.”3.The patent was given in 1876,but it was not until five days later that Bell sent the first telephone message to his assistant,Watson.这项专利是这项专利是1876年发布的，但是贝尔年发布的，但是贝尔是在是在5 天之后才跟他的助手华生通了天之后才跟他的助手华生通了第一次电话。第一次电话。4.Being very stable,it has proved invaluable in the design of bri

14、dges.(四面体四面体)十分稳定牢固十分稳定牢固,在桥梁在桥梁设计领域的价值难以估量。设计领域的价值难以估量。Biography(传记传记）Name:Birth:Birth place:When he was his family moved to .His mother was almost .Alexander Graham Bell1847ScotlandyoungBostondeafConclusionBells most famous invention:Recognitions:The patent was given intelephone1876Sound waves cou

15、ld be in a moving ,they could be sent along reproducedelectrical currenta wireInventions in other areas:He experimented with and .He put together and discovered the shape.Being ,it was proved invaluable in the design of .He made his first invention at and his last at .helicopter designsflying machin

16、etrianglestetrahedronstablebridgeselevenseventy five Pros:Its necessary for a student to have a mobile phone.Cons:Its unnecessary for a student to have a mobile phone.Homework:1.Translate the text into Chinese.2.writing Write a report according to the debate.Two sides opinions should be included as

17、well as yours.120 words.Today our class had a heated debate on whether it is necessary for a student to have a mobile phone.Useful expressions Be in favor of/object to because/for the reason that According to,have some advantages.Some people believe thatOthers argue that Others,however,hold a different view/an opposite opinion.It may be a good idea to There is nothing wrong for sb.to For one thing,for another Its convenient for sb.to do sth.In my opinion/As far as Im concerned,2023-5-82023-5-8