[解析]
(1)F.联系下文题.根据后文That may be changing.Nearly a dozen companies around the globe are competing to be the first to develop a flying car.可知这也许正在改变.全球将近十几家公司正在竞争成为第一家开发飞车的公司.F项:Inventors and business people tried to make flying cars,but have never been able to.发明家和商人试图制造飞车,但始终未能实现.符合文意,故选F.
(2)G.语境辨析题.根据后文Companies have to convince the government that the flying cars are safe.可知公司必须说服政府认为飞行的汽车是安全的.G项:There are many challenges that could keep flying cars from becoming part of everyday life.有很多挑战可以阻止飞车成为日常生活的一部分.符合语境,故选G.
(3)C.文章衔接题.根据后文Especially as cities grow more crowded and people spend more time being stuck in traffic.可知尤其是随着城市越来越拥挤,人们在交通堵塞上花费的时间也越来越长.C项:They see a need for"air taxis"and personally owned flying cars.他们认为需要"空中的士"和个人拥有的飞车.符合文意,故选C.
(4)E.理解判断题.根据后文Uber doesn't have any plans to develop a flying car itself.可知尤伯本身没有任何开发飞车的计划.E项:The Uber ride﹣share company sees air taxis as the future of on﹣call transportation.尤伯的搭乘股份公司把空中出租车看成是随叫随到的交通工具的未来.符合文意,故选E.
(5)B.联系下文题.根据后文Designers think that if enough people want to buy them,prices can be kept affordable.可知设计师们认为,如果有足够多的人想买,价格是可以负担得起的.B项:It's still unclear how much flying cars will cost.现在还不清楚飞车要花多少钱.符合文意,故选B.