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Compared with other modes of transport, train technology might seem to be progressing as slowly as a suburban commuter service r
Compared with other modes of transport, train technology might seem to be progressing as slowly as a suburban commuter service r
admin
2013-09-16
77
问题
Compared with other modes of transport, train technology might seem to be progressing as slowly as a suburban commuter service rattling its way from one station to another. Automotive technology,【C1】______, changes constantly: in the past decade satellite-navigation systems, hybrid power trains, proximity sensors and other innovations have【C2】______Each time you buy a new car, you will【C3】______a host of new features. Progress is【C4】______in aircraft, too, with【C5】______in in-flight entertainment and communication, fancy seats that turn into beds, and quieter and more efficient engines. Trains,【C6】______, appear to have changed a lot less.
This【C7】______is not entirely fair.【C8】______, people buy their own cars, so they pay more attention to automotive innovation. Carmakers are【C9】______in a constant arms race, trumpeting new features as a way to【C10】______their products. Nobody buys their own trains. Similarly, air passengers have a choice of【C11】______airlines and are far more likely to be aware of the【C12】______of rival fleets than they are of different types of train.【C13】______, trains have longer lives, so technology takes longer to become【C14】______The planning horizon for one rail project【C15】______to 2050.
【C16】______there is no【C17】______of new ideas, and they are steadily making their way out onto the rails. Better technologies are【C18】______everything from improved traction, braking and route-planning to sleek levitating trains(流线型悬浮列车)designed to glide on air at an astonishing 500kph. Energy-efficiency and safety are up, and derailments are down. There are schemes to【C19】______electrical energy from braking trains into local power grids, and even more【C20】______plans for "moving platforms" that dock with high-speed trains.
【C13】
选项
A、In effect
B、In addition
C、In essence
D、In general
答案
B
解析
本题考查上下文逻辑。上文分别介绍了汽车和飞机同火车相比,更容易被人关注其新特色的情况;本句进一步指出,火车还拥有(比汽车和飞机)更长的使用寿命,因此技术革新也需要更久才……。上下文间是递进的逻辑关系,是对一个问题的步步深入的解说,in addition符合文意。注意in effect是用在假想的或看似真实的情况后,以补充和强调真实情况,不符合文意。
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0
考研英语一
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