教育专题：人教版高中英语选修八Unit3.ppt

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1、Unit 3 Inventors and inventionsWarmingup&ListeningUnit 3 Inventors and inventionsWarmingup&ListeningWhen we speak of inventions,we cant help thinking of the four great inventions in ancient China.Can you name them?Warming uppaper-makingprintingcompassgunpowderHow many famous inventors do you know?Wh

2、at did they invent?Zhang Heng (78139)Seismograph Thomas Edison America (18471931)Electric bulbAlexander Graham BellEngland(1847-1922)TelephoneWilbur and Orville Wright invented the airplane,which they patented as a“flying machine”.What is he famous for?Issac Newton艾萨克艾萨克牛顿牛顿 gravitydiscoveredradiumM

3、adame Curie玛丽亚玛丽亚斯克沃多夫斯卡斯克沃多夫斯卡-居里居里 discoveredWhat is she famous for?Ben FranklinLightning is electricitydiscoveredWhat is he famous for?Adiscoveryismerelymakingknownsomethingthatalready_innature.Aninventionissomethingthatis_byahumanbeing.createdexists=Please look at the followingPlease look at the

4、 followingpictures and decide which pictures and decide which are discoveries and which are discoveries and which are inventions are inventions AnamphibiouscarIts_aninvention.ColumbiatheNewContinentIts_adiscovery.1493,3,15Stephensons“Rocket”aninvention.DNAadiscovery.23867541It is a tool of communica

5、tion;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;mobilephone1Its always equipped in high buildings;lift/elevatorPeople can go up and down in it instead of climbing steps.It looks like a small room;v v v v v v 2Itisakindofmake-upi

6、nventedbyFrench.Itsmellsgood.Womenespeciallyliketouseit.perfume3Itisoneofthefourgreatinventionsinancientchina.Itisblack.Peoplecanuseittomakebombs.gunpowder 4Thisinventionismadeofmetal.Thisinventionlookslikeabird.Itmakesitpossibleforpeopletoflytodifferentplacesintheworld.Itispoweredbyanengineandisflo

7、wnbyapilot.Airplane5Itallowsyoutogetalikenessofanobject.Whenyoupressthebutton,itworks.Whenaflashhappens,itwillcopyasceneontoafilm.Whenthefilmisdeveloped,thesceneyoucopiedappearsonapaper-likething.Camera6Thisinventioncanhelppeopledosomedailywork.Itishelpfulforhousewives.Themachinecanmovesomethingthat

8、youputintoit.Itneedssoapandwatertowashsomethinginit.Washing machine7Itisameansoftransportation.Ithasfourwheels.Peoplecandriveitonland.Peoplecanalsodriveitonwater.amphibiouscar8Among the inventions above,which invention do you think is the most important one?Why?How did it change peoples daily lives?

9、DiscussionThepurposeofinventionsis convenientcomfortabletomakeourlifemoreListening:Please think about the questions before listening1.What functions are already included on a mobile phone?2.What else do you expect a mobile phone to do for you?.Listen to the tape and tick the descriptions you have he

10、ard.a mobile that“thinks”a mobile that does videotapinga mobile that spends your money a mobile that is a computera mobile that can teach you English a mobile that wakes you upa mobile that plans your holiday a mobile that orders your food1.What is Ruth Bacon going to buy?A.A washing machine B.A mob

11、ile phone C.A computer2.The 3G phones can do the following things except A.Order food B.Plan a holiday C.Book air tickets and hotels3.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 callsII.Listen

12、 to the tape again and choose the best answers.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 shoesElectric shoesYou will never have to worry about having your bike stolen again.If you use our inflatable bike,y

13、ou can simply let the air out and put your bike in a bag.Inflatable bicycleNever throw away or wash chopsticks again.These chopsticks are both delicious and environmentally friendly.Save trees and have a snack at the same time they come in five different flavours.Edible chopsticksHow to be a good inventor?Creative Curious Hard-working ImaginativePatientAdventurous uWrite a passage about a modern invention.uPreview the reading passage.