A major impediment to wideacceptance of electric vehicles even on the part of people who use their carsalmost exclusively for commuting is the inability to use electric vehicles foroccasional extended trips. In an attemptto make purchasing electric vehicles more attractive to commuters, one electricvehicle producer is planning to offer customers three days free rental of aconventional car for every 1,000 miles that they drive their electric vehicle.
Which of the following, if true,most threatens the plan's prospects for success?
(A) Many electric vehicles that areused for commercial purposes are not needed for extended trips.
(B) Because a majority of commutersdrive at least 100 miles a week, the cost to the producer of making good theoffer would add considerably to the already high price of electric vehicles.
(C) The relatively long time ittakes to recharge the battery of an electric vehicle can easily be fitted intothe regular patterns of car use characteristic of commuters.
(D) Although electric vehicles areessentially emission-free in actual use, generating the electricity necessaryfor charging an electric vehicle's battery can burden the environment.
(E)Some family vehicles are used primarily not for commuting but for making shortlocal trips, such as to do errands
看不懂啊 答案选B | 
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发表于 2012-8-4 22:53:49
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