,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,Unit 3 Inventors and inventions,Warming up&Listening,Unit 3 Inventors and inventi,Unit 3 Inventors and inventions,Warming up&Listening,Unit 3 Inventors and inventi,When we speak of inventions,we cant help thinking of,the four great inventions,in ancient China.Can you name them?,Warming up,When we speak of inventions,w,3,the four great inventions,paper-making,printing,compass,gunpowder,the four great inventionspaper,How many famous inventors do you know?,What did they invent?,How many famous inventors do y,5,Zhang Heng,(78139),Seismograph,Zhang HengSeismograph,6,Thomas Edison,America,(18471931),Electric bulb,Thomas EdisonElectric bulb,7,Alexander Graham Bell,England,(1847-1922),Telephone,Alexander Graham BellTelephone,8,Wilbur and Orville Wright invented the,airplane,which they patented as a“flying machine”.,Wilbur and Orville Wright inve,9,What is he,famous for?,Issac Newton,艾萨克牛顿,gravity,discovered,What is he famous for?Issac Ne,radium,Madame Curie,玛丽亚斯克沃多夫斯卡-居里,discovered,What is she,famous for?,radiumMadame CuriediscoveredWh,Ben Franklin,Lightning is electricity,discovered,What is he,famous for?,Ben FranklinLightning is elect,A discovery,is merely making known something that already _ in nature.,An invention,is something that is _ by a human being.,created,exists,A discovery is merely maki,13,A discovery,An invention,=,A discovery,An invention,A discovery An invention=A d,14,Please look at the following,pictures and decide which,are discoveries and which,are inventions,Please look at the following,15,An amphibious car,Its _,an invention.,An amphibious carIts _,16,Columbia,the New Continent,Its _,a discovery.,1493,3,15,Columbiathe New ContinentIts,17,Stephensons“Rocket”,an invention.,Stephensons“Rocket”an invent,18,DNA,a discovery.,DNAa discovery.,19,Guessing Game,Guessing Game,2,3,8,6,7,5,4,1,23867541,It is a tool of communication;,It is convenient to take along with you;,You can hear a persons voice when,using it.,You can,call up,sb now and then;,mobile phone,1,It is a tool of communication;,Its always equipped in high,buildings;,lift/elevator,People can go up and down in it,instead of climbing steps.,It looks like a small room;,v,v,v,2,Its always equipped in high l,It is a kind of make-up invented by French.,It smells good.,Women especially like to use it.,perfume,3,perfume3,It is one of the four great inventions in ancient china.,It is black.,People can use it to make bombs.,gunpowder,4,It is one of the four great in,This invention,is made of,metal.,This invention,looks like,a bird.,It,makes it possible for people to,fly to different places in the world.,It is powered by an engine and is flown by a pilot.,Airplane,5,This invention is made of meta,It allows you to,get a likeness of an object.,When you press the button,it works,.When a flash happens,it will copy a scene onto a film.,When the film is developed,the scene you copied appears on a paper-like thing.,Camera,6,It allows you to get a likenes,This invention,can help people do,some daily work.,It is helpful for,housewives.,The machine can move something that you put into it.,It needs,soap and water to wash something in it.,Washing,machine,7,This invention can help people,It is a means of transportation.,It has four wheels.,People can drive it on land.,People can also drive it on water.,amphibious car,8,It is a means of transportatio,Among the inventions above,which invention do you think is the most important one?Why?How did it change peoples daily lives?,Discussion,Among the inventions above,wh,30,The purpose of inventions is,convenient,comfortable,to make our life more,The purpose of inventions is,31,Listening:,Please think about the questions before listening,What functions are already included on a mobile phone?,What else do you expect a mobile phone to do for you?,Listening:Please think about,32,.Listen to the tape and tick the descriptions you have heard.,a mobile that“thinks”,a mobile that does videotaping,a mobile that spends your money,a mobile that is a computer,a mobile that can teach you English,a mobile that wakes you up,a mobile that plans your holiday,a mobile that orders your food,.Listen to the tape and tick,33,What is Ruth Bacon going to buy?,A washing machine B.A mobile phone C.A computer,2.The 3G phones can do the following things except,Order food B.Plan a holiday C.Book air tickets and hotels,3.What kind of mobile phone does Ruth Bacon want?,A.One that can order goods B.One that can“think”,C.One that can turn itself on when it receives important calls,II.Listen to the tape again and choose the best answers.,What is Ruth Bacon going to bu,34,The heel of these shoes is a machine that makes electricity with every step you take.You will never need to buy batteries again.,Electric shoes,The heel of these shoes is a