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According to Peter Bearman，some of the autism increase results from________．
根据下列材料，请回答下列各题 Saying No to High Gas Prices Most motorists are simply bearing up against soaring gasoline prices. They may swear. They may complain. But they end up filling up as always. Others, however, are fighting back as the nation heads into the spring driving season. Some are riding the busor train or are carpooling (拼车). Some are giving up four wheels for two-a scooter (小型摩托车．or bicycle.Some are simply planning their trips more efficiently. Nationally, 84% of those responding to an AAA survey released earlier this month say theyve changed theirroutines as a result of soaring fuel prices. Better planning-combining errands into a single trip-was the mostcommon way cited. Some 16% say theyre less affected because they bought or leased a more fuel-efficient vehicle. Some are likeFleming Law of Indian Harbour Beach, Fla., who is so proud of his Chevrolet Volt plug-in electric car, which alsohas a gasoline motor, that he laughs off higher gas prices. "Havent filled up since November. Whats the price of gas？" says Law, whos racked up more than 7,500 miles on his Volt. He says bes filled up once since bes owned it. For the rest of us, gas prices are still an issue. The average price of regular gas is now within 20 cents lower agallon than the record $4.114 set in July 2008. Regular averaged $3.921 a gallon on Thursday, up four cents from aweek ago and up about 33 cents, or 9%, from a year ago, according to AAAs Daily Fuel Gauge Report. Americans are finding diverse and novel ways to cope with those prices. Using scooters in commute Mike McWilliams bought a 2007 Yamaha Vino motor scooter to putt-putt to community college in Asheville, N. C., and to his job at a doggy daycare center. Hes studying to become a veterinary (兽医．technician. "On the fiat, with a good tailwind (顺风), I can get it up to like 55 miles per hour," he says before correcting himself. "Actually, that might be on a slight downhill. " Its not speed that McWilliams seeks. A longtime motorcyclist, he says he wanted a fun way to get around thecity while saving money. Hes gone about 70 miles on the scooters one-gallon tank. But its a fair-weatherstrategy. Otherwise, he takes his 1996 Saturn. Combining trips In Greenville, S.C., Michael Heaton is paying closer attention to the rounds he makes. Theres not much he can do, though, about the cost of fuel for the mowers and weed trimmers he uses for his Greenville Lawn Maintenance. His gasoline bill for them now is about $200 a month, he says. But hes trying to bum less gas through better planning. "Instead of just going somewhere and gettingsomething... I try to do two or three things when I make a trip," he says. Hes also stopped dropping off his mail atthe downtown post office. "I just stick it in my mailbox." Playing their cards right Karen Papp, 45, of Westland, Mich., gets about 30 miles per gallon in her Hyundai Accent, but with a 60-miledaily commute, shes looking to save. One way she and her husband have discovered: buying Shell gift cards attheir local Kroger supermarket. "Shell will give you the cash price (at the pump．for buying with the gift card,"she says, which is a few cents cheaper than the credit card price. And Papp gets. bonus shopping points at thegrocery by swiping her Kroger card at the pump. "Im always looking for a way to save." Pumping a bike, not gas As long as the wind chill stays above zero, youll find Kirk Wurscher pedaling his bike to work seven miles each day in Sioux Falls, S.D, He says at first it was a sometime thing, but "as gas prices went higher, I started doing it more." Then it became a necessity. In 2010, one of his familys two cars died. His wife needed the survivor, so Wurscher found himself biking each day. Now, the family has two cars again, but Wurschers car stays parked five or six days a week. He might put 100 miles a month on the car, vs. 500 on his bike. His cold-weather gear and his bike, which has racks and can carry 140 pounds of cargo, werent cheap, he says. But with gas prices going higher, the payoff is coming sooner. And theres the bonus: exercise. "Its more fun to ride a bike than drive a car," he says. "Ten or 12 years ago, I would have never said that." Downsizing (减小耗油量．to raise mileage (英里数) Chris Purnell of Berlin, Md., once drove a Cadillac, but downsized to a Volkswagen Passat. "It burns less gas, and its a lot cheaper to fill it up," he says while fueling the car at a Wawa station in West Ocean City, Md. Purnell, who works at a Food Lion supermarket, says hes been shaking his head as gas prices rose steadily through the last four years. It was much the same story for Daria and Christian Schneider of Middletown, N. J. With a second child on theway, they were fed up with their 1999 Range Rovers 11 miles per. They traded it for a 2010 Toyota RAV4. "Wereally needed to save that money with a baby coming," says Daria, a stay-at-home mom. "That car had to go." Since buying the Toyota in September, theyve been getting double the mileage, about 22 miles per gallon. They estimate theyre saving at least $224 a month from what they were shelling out for the Land Rover. "I think, before, people were freaking out about the prices. But theyve gone up so much. Its just reality. You just have to find ways to deal with it," Daria says. Switching to the bus When Susan Lackes Nissan Versa was totaled in a wreck, she left the motoring world behind. Now, thewriter, teacher and researcher in the Phoenix suburb of Ahwatukee rides the bus. "I decided not to replace it, because the Phoenix Metro (public bus system．was so easy-and cheaper than gas," she says. Lacke says the transition went well at first. She had been spending about $600 a month on auto payments, insurance, maintenance and gasoline. Riding the bus costs just $40 a month, and she figures she can use thesavings to pay off student loans. But she pays a price in time: Her 14-mile commute from home to Arizona State University is up from 20 minutes to an hour each way. She says she tries to use the time productively. "I can get a lot of work done on the bus that I cant do while driving," she explains. "So it gives me a jump-start on the day." In addition to the bus, Lacke, a triathlete, also sometimes bikes or runs to campus. Buy electricity instead Mechanical engineer and self-described "tech geek (狂人)" Law, who bought the Volt, says, "I dont care about the price of gas. I dont look at it. My wife has to tell me. " He ordered the slate-colored compact car online from a New York dealer last spring, when it was still in limitedrelease, then paid roughly $500 to transport it to Florida. Round-trip, his daily commute to Palm Bay is about 25miles. Thats within the electric-only range of the Volt, he says, so he uses virtually no gas getting to work. He estimates that his electric bill has increased $30 per month to recharge the vehicle each night. The Volt and other electrics dont come, cheap, though. The car starts at $39,995 before government subsidies (补贴). "Im just a techie. Im just a gadget freak. And its by far the largest gadget I own," he said. What is the most common way to change routines in order to cope with the high gas prices？
A.The latest practices of accurate mapmaking.B.The impact of epidemics on mass mi
A.knownB.acknowledgedC.seenD.proved
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