2. 外语
  3. Motorways are no doubt the safest roads in the country. Mile for mile, vehicle for vehicle you are much less likely to be killed

Motorways are no doubt the safest roads in the country. Mile for mile, vehicle for vehicle you are much less likely to be killed

admin2010-11-02  44
问题      Motorways are no doubt the safest roads in the country. Mile for mile, vehicle for vehicle you are much less likely to be killed or seriously injured than on an ordinary, road. On the other hand, motorways have a far better accident record than any other part of our national road system because of the speed and volume of traffic. If you do have a serious accident on a motorway, fatalities are much more likely to occur than in a comparable accident elsewhere on the roads. It is reported that motorway accidents account for some 10% of all injuries out side urban areas.
     Motorways have no sharp, bends, no roundabouts or traffic lights and thus speeds are much greater than on other roads. Though the 70 m.p.h, limit is still in force, it is often treated with the contempt that most drivers have for the 30 m.p.h, limit applied in built-up areas in Britain. Added to this is the fact that motorway drivers seem to like traveling in convoys with perhaps barely ten meters between each vehicle. The resulting horrific pile-ups involving maybe hundred vehicles when one vehicle stops for some reason—mechanical failure, driver error and so on—have become all too familiar through pictures in newspapers or on television. How many of these drives realize that it takes a car about one hundred meters to brake to a stop from 70 m.p.h.? Drivers also seem to think that motorway driving gives them complete immunity from the caprices (多变)of the weather. However wet the road, whatever the visibility in mist or fog, they plough at ludicrous (滑稽的) speeds oblivious (不以为然的) of police warnings or speed restrictions until their journey comes to a premature conclusion.
     Perhaps one remedy for this motorway madness would be better driver education. Twenty eight per cent of the motorcyclists polled for National Motorway Month wanted motorists to receive formal training in motorway driving before being allowed down a slip road. At present. learner drivers are barred from motorways and are thus as far as this kind of driving is concerned, thrown in at the deep end. However much more efficient policing is required of, it is the duty of the police not only to enforce the law but also to protect the general public from its own folly.
Why are the speeds on motorways greater than those on other roads?
选项
答案Because there are no sharp bends，roundabouts or traffic lights.
解析 关键词是第2段首句的and thus意思是“所以”，表示结果，因而前半部分表示的是原因，即本题答案所在。
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