全整编汇总大学英语第二版综合教学教程4课后答案解析unit2.ppt
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1、全新版大学英语第二版综合教程第四册课后答案,Unit 2,G R _ Part Division of the Text 1,Parts,Para(s),Main Ideas,1,13,2,49,New technology will have a dramatic impact on cars and highways in the 21st century.,With the aid of advanced technology, smart cars will be so designed that they can help eliminate traffic accidents, d
2、etermine their own precise locations and warn of traffic jams.,3,1013,GPS and “telematics” will make it possible to build smart highways, which will benefit us in more than one way.,Text org. Ex. 1 on P38,Text org. Ex. 2 On P38 1. Smart cars can see, hear, feel, smell, talk, and act; 2. They can eli
3、minate most of car accidents 3. They can alert the police and provide precise location of your car if stolen 4. They can monitor ones driving and the driving conditions nearby; 5. They can alert the driver who feels drowsy; 6. They can locate your car precisely and warn of traffic jams.,Language Sen
4、se Enhancement on P 38-39,1) cure 2) impact 3) orbiting 4) warn of 5) location 6) At any given time 7)vibrate 8) detected 9) calculate 10) converted I. Vocabulary: Ex.1 on P41-42 1.expansion 2. automated 3. vapor 4. take control of 5. hazards 6. satellite 7.vibrated 8.magnetic 9. bunched 10. in the
5、air 11. got stuck in 12.approximately Vocabulary: Ex.2 on P42 1. send out 2. stand up for 3. pass for 4. were closing in on 5. starting up 6. went through 7. fill out8. fall into,Vocabulary: Ex.3 on P43 1) incorporates all the latest safety features. 2) two trees ten feet apart. 3) awarding lucrativ
6、e contracts to his construction firm. 4) the prototype of a new model before they set up a factory to make the cars. 5) are correlated in all racial groups. Vocabulary: Ex.4 on P43 1) the application, remote, has turned into a reality, are poised to 2) that vibrate, can detect, frequency 3) lanes, a
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