填空题

For years now, the world’s fastest trains, operating in Japan and France, have been stuck at a (36) operating speed of around three hundred kilometers an hour—in fact the latest Japanese bullet trains travel a bit slower than their (37) , the emphasis of the designers being more on (38) and economy. Now JR East, the country’s largest railway company, has (39) a much faster train, capable of (40) speeds of around three hundred and sixty kilometers an hour. The new train, which has been (41) in a dazzling color, looks very similar to the (42) models already running on Japan’s high-speed railways, except for one unusual feature—extra (43) brakes in the form of cat’s ears that rise from the roof of the carriages—this, a response to the derailment (出轨) of a bullet train after an earthquake last year. (44) . Strictly speaking it isn’t the world’s fastest—that honor goes to magnetically-levitated trains which literally float above the track on an enormous magnetic field—and yes, (45) . But only one maglev network is in operation today—a German system, built in Shanghai— and it only covers the thirty kilometers from the airport to the city. (46) .