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  3. Until last spring, Nia Parker and the other kids in her neighborhood commuted to school on Bus 59. But as fuel rose, the school

Until last spring, Nia Parker and the other kids in her neighborhood commuted to school on Bus 59. But as fuel rose, the school

admin2013-03-11  12
问题     Until last spring, Nia Parker and the other kids in her neighborhood commuted to school on Bus 59. But as fuel rose, the school district needed to find a way to cut its transportation costs. So the school’s busing company redrew its route map, eliminating Nia’s bus altogether. Now, Nia and her neighbors travel the half mile to school via a "walking school bus" — a group of kids, supervised by an adult or two, who make the walk together.
    Like the rest of us, school districts are feeling pinched by rising fuel costs—and finding new ways to adapt. The price of diesel fuel has gone up 34 percent in the past two years. For the typical American school district, bus bills total 5 percent of the budget. As administrators look to trim, busing is an inviting target, since it doesn’t affect classroom instruction (or test scores). More than one third of school administrators have eliminated bus stops or routes in order to stay within budget.
    Many parents are delighted to see their kids walking to school, partly because many did so themselves: according to a 1969 survey, nearly half of school kids walked or biked to school, compared with only 16 percent in 2001. Modern parents have been leery of(对......存有戒心) letting kids walk to school for fear of traffic, crime or simple bullying, but with organized adult supervision, those concerns have diminished.
    Schools and busing companies are finding other ways to save. In rural areas where busing is a must, some schools have even chosen four-day school weeks. Busing companies instruct drivers to eliminate extra stops from routes and to turn off the engine while idling. They are also using computer software to determine the most fuel-efficient routes, which aren’t always the shortest ones.
    There could be downsides, however, to the busing cutbacks. If every formerly bused student begins walking to school, it’s an environmental win—but if too many of their parents decide to drive them instead, the overall carbon footprint can grow. Replacing buses with many more parent-driven cars can also increase safety risks: A 2002 report concluded students are 13 times safer on a school bus than in a passenger car, since buses have fewer accidents and withstand them better due to their size. And some students complain about the long morning hikes, particularly when the route contains a really big hill.
As regards walking to school, modern parents seem much concerned about______.
选项 A、the sudden changes in the route
B、their children’s physical conditions
C、their children’s safety on the way
D、the distance their kids have to take
答案C
解析 根据题干中的modern parents和concerned将本题出处定位到第3段末句。该句提到，出于对交通、犯罪或者仅仅是欺凌的担忧，现代的家长对让孩子步行上学存有戒心。由此可知，对于让孩子步行上学，现代家长担忧的是孩子在路上遇到诸如交通、犯罪或者欺凌等安全问题，故答案为[C]。[A]是针对首段第3句设的干扰项。[D]是针对末句设的干扰项，故排除。
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