CET-B4-Unit2(newest) Smart Cars 全新版大学英语综合教程(第二版)第四册英语（ppt课件）

1、Unit 2,Smart Cars,1,学习交流课件,Pre-reading,Directions: Record the advantages and disadvantages of owning a car on the chart below. Be ready to share this with your classmates.,2,学习交流课件,Pollution Traffic jam/congestion Car accidents Money-consuming things The use of too much space ,Problems of Cars,3,学习交

2、流课件,Problems of Cars,The Genie is out of the bottle, is there any way to put him back in?,4,学习交流课件,Cars in Future,When listening, think: Look Fuel Driver Clean driving Safe driving More comfortable,Listening: Cars of the Future,5,学习交流课件,eliminate traffic accidents alert the police and provide precis

3、e location if stolen. monitor ones driving and the driving conditions nearby. alert the drowsy driver. locate your car precisely and warn of traffic jams.,While-reading: Smart Cars,Smart cars can see, hear, feel, smell, talk and act.,6,学习交流课件,Functions brought by Advanced technology,While-reading: S

4、mart Cars,drunk electronic sensors driving warning radars sleepy driving monitoring camera,sensors in cars tuned to radio signals from Navstar for traffic jams,time taken for signal from satellite to arrive rotations in the steering wheel and position on map,Paras 4-6,Paras 7,Paras 8-9,7,学习交流课件,Whil

5、e-reading: Smart Roads,8,学习交流课件,While-reading: Smart Roads,9,学习交流课件,While-reading: Smart Roads,10,学习交流课件,What effects does modern science and technology exert on (upon) our society and our lives? PLS list these effects. What are the advantages and problems that science brings to mankind. Whats your

6、opinion? How can we human beings make good use of modern science and technology for ourselves?,Discussion: Science frames and complete bicycles are manufactured here, though most of the components are imported. If the media can manufacture stories like this, then who are we supposed to believe?,Deta

7、iled study,Detailed study,41,学习交流课件,4. approximately,- referring to a number, amount, or time is close to the exact number, amount etc, but could be a little bit more or less than it,e.g. Approximately $150 million is to be spent on improvements on school buildings. The plane will be landing in appr

8、oximately 20 minutes. An expert could give you the approximate value of the painting.,Detailed study,Detailed study,42,学习交流课件,5. eliminate,- to completely get rid of something that is unnecessary or unwanted,e.g. Advances in medical science have eliminated the need for many patients to spend long pe

9、riods of time in hospital. He supposes that technological process will eliminate the problem of scarcity of resources.,Detailed study,Detailed study,Collocation:,eliminate a need/possibility/risk/problem,43,学习交流课件,6. alert,- to make someone realize something important or dangerous,e.g. Drivers are b

10、eing alerted that an escaped prisoner has been seen hitch-hiking on the road to Frankfurt. The wireless remote receiver also can be connected to your home security system to alert the police. Children who are very passive and uncommunicative should alert us to the possibility that problems exist in

11、the life of the family.,Detailed study,Detailed study,44,学习交流课件,6. alert a. the driver can adjust the heating in winter and the air conditioning in summer to suit his own needs and preference.,Translation(1):,72,学习交流课件,There is no irritation caused by waiting for buses in long patient queues for as

12、long as half an hour sometimes. For the first time in history people are able to enjoy their leisure time to the full by making trips to the country or seaside at the weekends, instead of being confined to their immediate neighborhood. This feeling of independence, and the freedom to go where you pl

13、ease and when you want, is perhaps the greatest advantage of the car.,Translation(1):,73,学习交流课件,当我们论及汽车的缺点，也许最主要的是污染。随着越来越多的小汽车在路上跑，排气管排出的有毒气体也越来越多。有些气体的成份如铅，不仅污染大气，也对人的健康构成危害。还有管理城市交通也越来越难。事实上，汽车带来的舒适往往被堵在马路上走不了所产生的烦恼所抵消了。还有油价的上涨、汽车事故的上升，这一切都增添了轿车主人的忧虑。实际上他有时不得不想一想个人小汽车带来的是福还是祸。,Translation(2):,74,

14、学习交流课件,When considering the drawbacks of cars, perhaps, pollution is of prime importance. As more and more cars are running on the streets, so the emission from their exhaust-pipes contains an ever larger volume of poisonous gas. Some of the contents of this gas, such as lead, not only pollute the a

15、tmosphere but cause actual harm to the health of people. It is also becoming increasingly difficult to deal with the problem of traffic in towns. In fact, an advantage gained in comfort is often cancelled out by the frustration caused by traffic jams. The mounting cost of petrol and the increase in

16、car accidents all add to the drivers worries. In fact, he must sometimes wonder if the motor car is such a blessing, or just a menace.,Translation(2):,75,学习交流课件,Proverbs and Quotations,Proverbs and Quotations,Activity is the only road to knowledge. Love is ever the beginning of knowledge as fire is

17、of light. Knowledge is a treasure, but practice is the key to it. The foundation of knowledge must be laid by reading. General principles must come from books, which, however, must be brought to the rest of real life. Imagination is more important than knowledge.,76,学习交流课件,Proverbs and Quotations,Proverbs and Quotations,Activity is the only road to knowledge. 行动是通往知识的唯一道路。 2. Love is ever the beginning of knowledge as fire is of light. 知识总是从爱开始，犹如光总是从火开始一样。 3. Knowledge is a treasure, but practice is the key to it.