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Directions:Complete the following passage by filling in each blank with one word that best fits the context.

  The dream of escaping a traffic jam has come a tiny bit closer with the maiden flight(首航)of a "roadable aircraft".Media were not present at the airstrip in Plattsburg, New York, 1.________ the test took place, but the company, Terrafugia, has released photographs and a video recording the event."This breakthrough changes the world of personal mobility-it's 2.________ aviation enthusiasts have been striving for since 1918," said Carl Dietrich, CEO of Terrafugia.

  3.________ front-wheel drive and fold-up wings, the aircraft is capable 4.________ being driven on public roads at highway speeds and will fit in 5.________ standard garage.What 6.________ can't do, legally, is take off and land from anywhere other than an approved general aviation airport.Other flying cars have been demonstrated before, 7.________ this is the first proven model with foldable wings, 8.________ allow it to seamlessly transfer from air to road.The vehicle is expected to go on sale as early as 2012 for about US$ 290,000.

答案:
解析:

1.when 2.what 3.With 4.of 5.a(chǎn) 6.it 7.but 8.which


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