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  3. In many parts of the world cars play an essential role in daily life and many societies would cease to function without them. So

In many parts of the world cars play an essential role in daily life and many societies would cease to function without them. So

admin2019-05-22  3
问题    In many parts of the world cars play an essential role in daily life and many societies would cease to function without them. So, the claims that in 20 years’ time, no one will own cars may be hard to believe. But this is the prediction made by a team of transport researchers who are taken seriously, not only by governments but also by car manufacturers.
   The Human Science and Advanced Technology Institute at Loughborough in the U. K. is part of an international research program. The team there believes that by 2020 all cars will be computerized which will mean gigantic fuel savings, no accidents and better use of roads. The super-intelligent car of the 21st century will drive itself, and it will not be owned by one individual. Instead, we will have a choice of cars and change them as frequently as we change our clothing.
   According to Dr. David Davies, 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. Davies says, cars will be fitted with intelligent cruise-control devices to regulate the distance between one car and another. Brakes and accelerators will become redundant because the car will automatically speed up, or slow down, to match the speed of the car in front. Computers are much safer drivers than people, so cars and trains will be able to drive much closer together than cars driven by people. By 2010, David Davies maintains, car technology will give motorists a clear view of the road, whatever the weather conditions, by projecting an image of the road ahead onto the car’s windscreen. And, by 2020, cars will travel in convoy, linked to each other electronically. Cars will be connected by an electronic towbar to the car in front to form"road-train". "The front vehicle in such a train would burn the normal amount of fuel, " says Davies. " 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. "  
The expression______is closest in meaning to the phrase "in convoy".
选项 A、in line
B、sidelong
C、side by side
D、next to one another
答案A
解析 词义推测题。由“in convoy”所在句中的“linked to each other”可推知，in line与其意思接近。
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