人教版高中英语选修八Unit3.ppt

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1、Warming up & ListeningWarming up & ListeningWarming uppaper-makingprintingcompassgunpowderHow many famous inventors do you know? What did they invent? Thomas Edison America (18471931)Electric bulbTelephoneWilbur and Orville Wright invented the airplane, which they patented as a “flying machine”.What

2、 is he famous for?Issac Newton艾萨克艾萨克牛顿牛顿 gravitydiscoveredradiumMadame 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? A discovery is merely making known something that already _ in nature. An invention is something

3、 that is _ by a human being.createdexists= =Please look at the followingPlease look at the followingpictures and decide which pictures and decide which are discoveries and which are discoveries and which are inventions are inventions An amphibious carIts _ an invention.Columbiathe New ContinentIts _

4、 a discovery.1493,3,15Stephensons “Rocket”an invention.DNAa discovery.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 phone1Its always equipped in high buildings;People can go up and d

5、own in it instead of climbing steps .It looks like a small room;v v v v v v 2 It is a kind of make-up invented by French. It smells good. Women especially like to use it.perfume3 It is one of the four great inventions in ancient china. It is black. People can use it to make bombs.gunpowder 4 This in

6、vention 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. Airplane5 It allows you to get a likeness of an object. When you press the button, it works. When a flash happens,

7、it will copy a scene onto a film. When the film is developed, the scene you copied appears on a paper-like thing. Camera6 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

8、 it. Washing machine7 It is a means of transportation. It has four wheels. People can drive it on land. People can also drive it on water.amphibious car8Among the inventions above, which invention do you think is the most important one? Why? How did it change peoples daily lives? DiscussionThe purpo

9、se of inventions is to make our life more1. What is Ruth Bacon going to buy?A.A washing machine B. A mobile 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 tha

10、t can order goods B. One that can “think” C. One that can turn itself on when it receives important callsII. Listen 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

11、shoesYou will never have to worry about having your bike stolen again. If you use our inflatable bike, you 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.