Inmanypartsoftheworld,carsplayanimportantroleindailylif...
问题详情:
In many parts of the world, cars play an important role in daily life and many societies would not exist without them.13. But this is the prediction made by a team of transport researchers who are taken seriously, not only by government but also by car manufacturers(制造商).
The Human Science and Advanced Technology Institute at Loughborough in the UK is part of an international research program. 14. That will mean much saving, no accidents and better use of roads. The super-intelligent car of the 21st century will drive itself, 15 Instead, we will have a choice of cars and change them as frequently as we change our clothing.
According to d Davis, who leads the research team, these predictions are based on the rising cost of the car culture, which had blocked up our cities, polluted our air, and caused more deaths than both world wars put together.
Davis says, cars will be fitted with some intelligent devices(装置) to regulate(调节) the distance between one car and another.16. Computers are much safer drivers than people, so cars in a road train will be able to drive much closer together than cars driven by people.
By 2010, d Davis believes, car technology will give motorists a clear view of the road, whatever the weather conditions, by projecting an image(影像)of the road ahead on to the car’s windscreen. 17. Cars will be connected by an electronic bar to the car in front to form “road-trains”. “The front vehicle in such a train burns the normal amount of fuel.” says Davis.“ But all the others in the train would burn about ten percent of the normal amount, and so produce about ten percent of the pollution.”
A. The team there believes that by 2030 all cars will be computerized.
B. They believe that cars will become more important in 20 years.
C. And it will not be owned by one individual.
D. And by 2030, cars will travel in line, linked to each other electronically.
E. So the idea that in 20 years’ time, no one will own cars may be hard to believe.
F. Every driver will use less fuel in the car he owns.
G. The car will automatically speed up or slow down to match the speed of the front car.
【回答】
EACGD
知识点:七选五题型
题型:未分类
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用若干个体积为1的正方体搭成一个几何体,其正视图、侧视图都是如图所示的图形,则这个几何体的最大体积与最小体积的...
问题详情:用若干个体积为1的正方体搭成一个几何体,其正视图、侧视图都是如图所示的图形,则这个几何体的最大体积与最小体积的差是()A.2B.3C.4D.5【回答】解析:由正视图、侧视图可知,此几何体的体积最小时,底层有5个小正方体,上面有2个小正方体,共7个小正方体;体积最大时,底...
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_______________,听取蛙声一片。 (*弃疾《西*月•夜行黄沙道中》)
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我国的汽车工业正在飞速发展,一辆现代轿车,从动力到小小的天线都与物理学有关,某国产新型轿车,在平直公路上行驶时...
问题详情:我国的汽车工业正在飞速发展,一辆现代轿车,从动力到小小的天线都与物理学有关,某国产新型轿车,在平直公路上行驶时,当车速为36km/h时,制动后滑行距离为10m。则轿车所受的制动阻力大小是其轿车重力大小的倍数为(g=10m/s2) A.0.10 B.0...
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