大学英语综合教程第4册 Unit2.ppt

B R _ An English Song _main B R _ An English Song _main B R _ Thinking While Listening1 B R _ Thinking While Listening2 韩国现代 美国别克 美国福特 美国雪佛兰 德国奥迪 日本马自达 德国奔驰 日本丰田 德国大众 日本三菱 意大利法拉利 德国宝马 意大利兰博基尼 法国雷诺 国产奇瑞 法国雪铁龙 B R _ Global Positioning System 2 B R _ Global Positioning System 2 B R _ Intelligent Transportation System 2 Functions brought by Advanced technology A R _ Talk about the Pictures A R _ Talk about the Pictures1 A R _ Talk about the Pictures2 A R _ Talk about the Pictures3 A R _ Talk about the Pictures4 A R _ Talk about the Pictures5 A R _ Sample1 A R _ Sample2 A R _ Sample3 A R _ Sentence Translation 1 A R _ Sentence Translation 2 A R _ Sentence Translation 3 A R _ Sentence Translation 4 S R _ Reading _ text 14-15 S R _ Reading _ text 16 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * There remain a number of difficulties to be overcome. These are mainly technical, but there are in addition a number of non-technical challenges that need to be addressed. These involve issues of liability, costs, and perceptions. Automated control of vehicles shifts liability for most crashes from the individual driver (and his or her insurance company) to the designer, developer, and vendor of the vehicle and roadway control systems. Provided the system is indeed safer than today’s driver-vehicle-highway system, overall liability exposure should be reduced. But its costs will be shifted from automobile insurance premiums to the purchase or lease price of the automated vehicle and toll for use of the automated highway facility. S R _ Reading _ text 11-12 Remaining challenges S R _ Reading _ text 13 All new technologies tend to be costly when they first become available in small quantities, then their costs decline as production volumes increase and the technologies mature. We should expect vehicle automation technologies to