smartertransportation课件.ppt

Unit Eight Smarter Transportation Lead-in question The car had a significant effect on the American lifestyle. Car ownership came to be associated with independence, freedom, and increased social status. Do you want to have a car? Why or why not? Group Discussion The benefits of owning a car: The problems caused by private cars: The ways to solve traffic congestion in cities: How to solve the problem of congestion: We can address this problem from two aspects: one from the car itself and the other from the road. As to cars, new technology can help make cars smarter and smaller. For example, radars will warn a driver … ; GPS guides drivers …; Cars are made foldable. As to the roads, one solution is to widen the roads. Regulations are important too. Traffic lights, cameras, rush hour lanes, and the like, may work together to reduce congestions. David Bjerklie: a senior reporter at TIME, cover a broad range of stories for the science section since 1984 on topics as cold fusion, cloning, ice age art, vegetarianism, bioethics, the origin of life, and also cover obesity, fetal development, mental health, women and heart disease, diabetes and diet He studied biology, anthropology and limnology at the University of North Dakota and University of Minnesota. He also contributes science articles to TIME’s sister publication, TIME For Kids magazine. Background information In the United States, the National Highway Traffic Safety Administration (NHTSA) supports different programs and projects to save lives, prevent injuries, and reduce car crashes. Its Occupant Protection Division provides national leadership in planning and developing traffic injury control programs in the areas of safety belt and child safety seat use, and automatic occupant protection systems (e.g. air bags) A lap (2-point) belt in an airplane A 3-point seat belt Difficult sentences (1) Seat belts still decrease our risk of dying in an accident, but the statistics are not all black and white. 座椅安