北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (4).ppt
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1、Unit 4 Inventions and Inventors,air pollution,In many big cities in the world, the overuse of cars is thought to be one of the major(主要的) causes(原因) of air pollution.,traffic accident,More than 100,000 people were killed by cars every year in China.,Very few people will be killed by future cars.,Les
2、son 15,1.be killed by2.be pushed by3.the overuse of4.one of 5.in trouble6.five miles per hour7.warn sb. not to do8.ask for 9.hold the same idea10.be sure that,被杀害被推动过度使用其中之一处于麻烦中每小时5英里警告某人别做某事请求持有同样的意见确信,Useful expressions,11.be solved by12.in short supply13.run on water14.running water15.in acciden
3、ts16.air conditioning17.pollution control system18.the drivers feet 19.car companies with the production of the supercar.,被解决供应短缺靠水运转流动水,自来水在事故里空调污染控制系统司机的脚生产超级小汽车的汽车公司,Read 1.2 the passage quickly and choose the best title.,The cause of air pollutionCars in the futureProblems of future cars,Cars in
4、 the future In many big cities in the world, the overuse of cars is thought to be one of the major causes of air pollution. What will cars be like in the future?,Cars in the future In many big cities in the world, the overuse of cars is thought to be one of the major causes of air pollution. What wi
5、ll cars be like in the future?,Some experts ,Other car experts ,Cars in the future In many big cities in the world, the overuse of cars is thought to be one of the major causes of air pollution. What will cars be like in the future?,Some experts ,Other car experts ,主题中心句,Some experts,Other car exper
6、ts,think that todays cars are in trouble because they use too much gas.,think that all problems will soon be solved by car companies with the production of the supercar.,Some experts think that todays cars are in trouble because they use too much gas.,外观,much,much small,内置,without a motor or air con
7、ditioning,no radio and no light,an open air car with no doors and windows,without a pollution contral system,动力、能源,be pushed by the drivers feet,速度,be five miles per hour,颜色,In grey only,Other car expertsthink that all problems will soon be solved by car companies with the production of the supercar
8、.,Other car experts do not hold the same idea. They are sure that the future will be happy. think that all problems will soon be solved by car companies with the production of the supercar.,A:开心的,B:乐观的 C:幸福的,Other car experts do not hold the same idea. They are sure that the future will be happy. th
9、ink that all problems will soon be solved by car companies with the production of the supercar.,A:开心的, B:乐观的 C:幸福的,Other car experts do not hold the same idea. They are sure that the future will be happy. think that all problems will soon be solved by car companies with the production of the superca
10、r.,外观,bigger,内置,four rooms, color TVs,running water,heat,动力、能源,gas,速度,faster,颜色,different,air conditioning,maybe a swimming pool,/water,than before,than before,Cars in the future In many big cities in the world, the overuse of cars is thought to be one of the major causes of air pollution. What will
11、 cars be like in the future? Some experts think that todays cars are in trouble because they use too much gas. . Other car experts do not hold the same idea.They are sure that the future will be happy. They think that all problems will soon be solved by car companies with the production of the super
12、car .,层次清楚,Some experts think that todays cars are in trouble because they use too much gas.外观 : much,much small内置: Without a motor or air conditioning no radio and no light an open air car with no doors and windows Without a pollution control system 动力、能源 be pushed by the drivers feet 速度 be five mi
13、les per hour 颜色 In grey only,细节支撑,Other car experts do not hold the same idea. They are sure that the future will be happy. think that all problems will soon be solved by car companies with the production of the supercar.外观: bigger内置: four rooms color TVs running water heat air conditioning maybe a
14、swimming pool 动力、能源: gas, /water 速度 : faster than before 颜色: different,细节支撑,Some experts think that todays cars are in trouble because they use too much gas. They say the car of the future will be much, much small . The car of tomorrow will be made without a motor or air conditioning,. Itll have no
15、radio and no lights. Tomorrows car will be an open car with no doors and windows. It wont need a pollution control system because it wont use gas. In fact, this new car will be pushed by the drivers feet. Very few people will be killed in accidents, because the top speed will be five miles per hour.
16、 However , we are also warned not to ask for pretty colors, because the cars will come in grey only.,Some experts think that todays cars are in trouble because they use too much gas. They say the car of the future will be much, much small . The car of tomorrow will be made without a motor or air con
17、ditioning . Itll have no radio and no lights. Tomorrows car will be an open car with no doors and windows. It wont need a pollution control system because it wont use gas. In fact, this new car will be pushed by the drivers feet. Very few people will be killed in accidents, because the top speed wil
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