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If you avoid the bottle and cigarettes, you'll be much healthier.
Tokyo is World's Priciest City
The weak American dollar and strong European and Asian currencies helped make Tokyo and London the most expensive cities in the world, according to a recent survey．American cities were absent from the top 10, with the most expensive U．S．city, New York, dropping two spots from last year to 12 in the survey of 144 urban areas conducted by Mercer Human Resource Consulting．Moscow ranked in third place, with Osaka, and Hong Kong rounding out the top five most expensive cities.
The survey, drawn up twice a year, ranks cost of living for foreign workers, not local residents, and is used primarily by multinational companies to determine pay for expatriate employees．"The euro appreciated(升值)more than 11 percent in the last six months,"said Marie-Laurence Sepede, senior researcher at Mercer．"So that made European cities go up and U．S．cities drop．" Sepede noted that while U．S．cities got cheaper in relation to those in Europe and Asia, the rankings among American cities remained similar to previous years, with Los Angeles, Chicago and San Francisco all placing high on the list．Also notable was the climb of Australian and New Zealand cities up the list, a shift caused by those nations' strong currencies．Sydney moved from 67 last year to 20 this year, and Auckland, New Zealand climbed 35 places to 80．The rest of the top 20 remained fairly constant, although Paris: Vienna, Austria and Istanbul, Turkey made their first appearances so high in the rankings.
The survey took into consideration 250 criteria, including the cost of utilities, food and entertainment．While the survey looked at a range of living standards, Sepede said the study was most representative of the expenses of people working for big international corporations and maintaining fairly high standards of living．Mercer said the continued appreciation of the euro against the U．S．dollar could eventually force companies to move employees and reorganize．"Mainly, the depreciation(贬值) of the dollar makes it cheaper to send employees to American cities," said Jackie Barber, a spokeswoman for the survey.
第 16 题 New York is one of the top ten most expensive cities in the world last year.
请选择（3）处的最佳答案．
Computers in Cars
You're far from home on a lonely road． Shadowy forests stretch away on both sides．A thick mist (雾) makes it different to see far beyond your car's windshield(挡风玻璃).
"Can this be Route 90A？" you wonder．If it is, you should be near a town．Yet
there's no hint of one．Night is closing in．And you're low on gasoline.
This is a situation where an in-car computer that can navigate would be a big help.
A car computer that navigates？ Yes! Such computers exit．Several experimental models are being tasted by General Motors, Ford, Chrysler, and several foreign carmakers.These computers vary in detail． But．they all contain series of maps on videodiscs or videotapes．For example, one computer system contains 13,300 maps covering the continental US.
Before starting out on a trip, a driver can type in the code for the region he or she plans to drive through．The computer then shows a map of that region．At the same time,a tiny radio receiver linked to the computer goes to work．It picks up signals from navigation satellites such as the NAVSTAR network．Using these signals, the computer shows the car's position at all times and displays this position on the map．The computer can also calculate and display the best route to follow.
A navigation computer may also receive and use data about road construction, weather conditions, and traffic jams． This information would be displayed to the driver and the computer would also use the information to work out alternate(另外的)routes.
Most cars nowadays also control certain computers that help cars run more efficiently.Microprocessors(微处理机) control certain engine functions by regulating the mixing of fuel．Data on car speed, oil pressure, revolutions per minute, engine temperature, and fuel level can be displayed as digital data (number) or warning lights.
Some auto designers suggest that a central computer display be used to clearly present such timely information as car speed and fuel level．Warning lights would indicate a drop in oil pressure or a sudden rise in engine temperature．To get more information on these conditions, the driver could call it up on the computer display screen．When needed, the computer could be "asked" to provide navigation aid or information about the car's condition.
第 31 题 By describing a typical situation of a lost driver on the road, the author intends to_____
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