The arrival of the mass-produced car, just over a century ago, caused a(n) 【C1】______of business creation. First came the makers

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问题     The arrival of the mass-produced car, just over a century ago, caused a(n) 【C1】______of business creation. First came the makers of cars and all the parts that go into them. Then came the garages, filling stations and all sorts of other car-dependent【C2】______: car parks, motels, out-of-town shopping centres.
    Now another revolution on wheels is on the【C3】______: the driverless car. Nobody is sure when it will【C4】______. Google, which is testing a fleet of autonomous cars, thinks in maybe a decade, others【C5】______longer. And, when it does, the self-driving car, like the ordinary kind, could bring【C6】______change. Just imagine. It could, for a start, save the motor industry【C7】______stagnation. Carmakers are【C8】______about signs that smartphone-obsessed teenagers these days do not【C9】______to get a driving licence and buy their first car,【C10】______their parents did. But once they are【C11】______the trouble and expense of taking lessons and【C12】______a test, young adults might rediscover the joys of the open road. Another worry for the motor industry is that car use seems to be peaking in the most congested cities.【C13】______automated cars would drive nose-to-tail,【C14】______the capacity of existing roads; and since they would be able to【C15】______their passengers and drive away, the【C16】______of parking spaces in town might not matter so much.
    All these trends will【C17】______the car business. But when mass-produced cars appeared, they had an impact on the whole of society. Electronics and software firms will be【C18】______the winners:
   【C19】______providing all the sensors and computing power that self-driving cars will need, they will enjoy strong demand for in-car entertainment systems,【C20】______cars’ occupants will no longer need to keep their eyes on the road.
【C6】

选项 A、valid
B、profound
C、objective
D、decent

答案B

解析 空格所在句讲自动驾驶汽车一旦出现会带来什么变化。根据like the ordinary kind“同普通汽车一样”。回顾首段对普通汽车诞生之后带来的一系列变化,可知这里说的应该也是能产生巨大影响的变化。四个选项中只有B项profound“深远的”符合这个语义。valid“正当的,有效的”;objective“客观的”;decent“得体的”,这三项都不能跟change(变化)搭配。
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