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  3. As long as Americans love to drive far and fast, electric cars may never be

As long as Americans love to drive far and fast, electric cars may never be

游客2024-02-09  50
问题     As long as Americans love to drive far and fast, electric cars may never be the perfect answer to the country’s green transportation needs.【C1】______the routine runs of electric school buses are another thing altogether.
    Bus maker Trans Tech Bus this year said it would start making an electric school bus in a【C2】______with Smith Electric Vehicles. The eTrans bus is one of a new【C3】______of zero-emission electric and hybrid-electric models that are【C4】______making their way to school districts around the county.
    It is hard to【C5】______the bulky, boxy school bus at the forefront of clean-energy and fuel-saving technology. Most buses【C6】______on diesel fuel, get mileage in the【C7】______digits and have the aerodynamic(流线型的)profile of, well, a school bus.
    But school buses are almost ideally【C8】______to be electric vehicles. For one thing, they【C9】______fairly short distances on their daily runs,【C10】______leaving city limits on the way to and from school. And they follow set,【C11】______routes. That reduces the chances of a bus accidentally running【C12】______of battery power before it finishes its route and【C13】______to the lot.
    What is more, school buses make【C14】______stops. While that is bad for fuel-efficiency on a【C15】______gasoline or diesel vehicle, electric vehicles can【C16】______some of the energy used in applying the brakes to recharge their batteries, extending their【C17】______.
    One big【C18】______: School buses are off the streets sitting in a depot(车站)for much of the day, giving them plenty of time to recharge their batteries. But money【C19】______an obstacle. While electric buses could save budget-conscious school districts on fuel costs【C20】______the long term, the upfront costs are high. [br] 【C13】
选项 A、fixes
B、returns
C、cruises
D、upgrades
答案 B
解析 动词辨析题。由句意可知，电动校车能够在电池没电前完成规定的路线并——停车场。returns意为“返回”，所以应该选B)。fixes“修理”；cruises“乘船游览”；upgrades“使升级”。
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