大学英语综合课程book4,B4-Unit2SmartCa.ppt

Unit 2 Smart Cars 智能汽车,Contents,1. Warming Up Activities,2. Text Organization,3. Global Analysis,Warming Up: Types of Automobile,Automobile (美)各种机动车总称 Car (英)尤指小轿车 (美)小轿车，四轮马车 Convertible 敞篷双门轿跑车 Sports Coupe 硬顶跑车 Off-road vehicle 越野车,Types of Automobile,Classical car 老爷车 MPV-Multi-Purpose Vehicle多功能车 Recreational Car房车,Lead-in Activity,Can you name some famous cars ?,Rolls and Royce 劳斯莱斯,Toyota,Toyota is a world famous brand of cars. The company is in Japan.,Mercedes-Benz,This brand has stood for more than 100 years. It is a German company.,General Motors (GM) has steered around competitors to remain the worlds #1 maker of cars and trucks, with brands such as Buick, Cadillac, Chevrolet, GMC, Pontiac, Saab, Saturn, and Oldsmobile (which is being discontinued).,General Motors,悍马,Discussion,What functions do you think a car should have? Discuss and list? 1.Promote peoples mobility, bringing us convenience. 2.Improve working efficiency, saving us plenty of time. 3. Symbol of social status, enriching our life.,Words about Cars,number plate,headlight,sidelight,indicator light,tire,door,door handle,wing mirror/rear view mirror,hood,trunk,rear light,windshield,windshield wiper,roof,Text Organization,Functions of the text,New Functions brought by Advanced technology,eliminate traffic accidents,warn of traffic jams,determine cars precise locations,Paras 4-6,drunk electronic sensors driving warning radars sleepy driving monitoring camera,Paras 7,Paras 8-9,time taken for signal from satellite to arrive rotations in the steering wheel and position on map,sensors in cars tuned to radio signals from Navstar for traffic jams,What are the features of the future cars?,I. They can see, hear, feel, smell, talk and act,The key to tomorrows smart cars will be sensors.,Sensors Applications,II. Eliminate most car accidents 减少交通事故,Car accidents are the most threatening disaster in our daily life.,Statistics of Car Accidents,2009年河南发生道路交通事故8587起，造成1997人死亡，10159人受伤，直接经济损失达3302.88万元,III. Avoid being stolen by thieves 防盗,Avoiding being stolen by thieves via specially mounted sensor monitoring the cars premises.,IV. Monitor driving conditions 评估驾驶,The Smart car can monitor your driving and help you make wise decision.,V. Locate ones position and warn of jam,1.measure distances 2.design the best line,Global Positioning System (GPS),GPS is a satellite-based navigation system made up of a network of 24 satellites placed into orbit (轨道)by the U.S. Department of Defense (国防部). GPS was originally intended for military applications, but in the 1980s, the government made the system available for civilian use (民用). GPS works in any weather conditions, anywhere in the world, 24 hours a day.,GPSs Development 发展历史,GPS Satellite,24 satellites in 6 orbital planes; 4 satellites in each plane平面,How GPS system functions,Transmitting route,GPS Navigation (导航),Useful Expression,Homework,Review what are the new functions of the smart cars in the future. 2. In the case of fuel shortage, air pollution and traff