CET-B4-Unit2(newest) Smart Cars 全新版大學(xué)英語綜合教程(第二版)第四冊英語（ppt課件）

1、Unit 2,Smart Cars,1,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,Pollution Traffic jam/congestion Car accidents Money-consuming things The use of too much space ,Problems of Cars,3,學(xué)習(xí)交

2、流課件,Problems of Cars,The Genie is out of the bottle, is there any way to put him back in?,4,學(xué)習(xí)交流課件,Cars in Future,When listening, think: Look Fuel Driver Clean driving Safe driving More comfortable,Listening: Cars of the Future,5,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,Whil

5、e-reading: Smart Roads,8,學(xué)習(xí)交流課件,While-reading: Smart Roads,9,學(xué)習(xí)交流課件,While-reading: Smart Roads,10,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,當(dāng)我們論及汽車的缺點，也許最主要的是污染。隨著越來越多的小汽車在路上跑，排氣管排出的有毒氣體也越來越多。有些氣體的成份如鉛，不僅污染大氣，也對人的健康構(gòu)成危害。還有管理城市交通也越來越難。事實上，汽車帶來的舒適往往被堵在馬路上走不了所產(chǎn)生的煩惱所抵消了。還有油價的上漲、汽車事故的上升，這一切都增添了轎車主人的憂慮。實際上他有時不得不想一想個人小汽車帶來的是福還是禍。,Translation(2):,74,

14、學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,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,學(xué)習(xí)交流課件,Proverbs and Quotations,Proverbs and Quotations,Activity is the only road to knowledge. 行動是通往知識的唯一道路。 2. Love is ever the beginning of knowledge as fire is of light. 知識總是從愛開始，猶如光總是從火開始一樣。 3. Knowledge is a treasure, but practice is the key to it.