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题库 / Prep2007E1-CR-45
A major impediment to wide acceptance of electric vehicles even on the part of people who use their cars almost exclusively for commuting is the inability to use electric vehicles for occasional extended trips. In an attempt to make purchasing electric vehicles more attractive to commuters, one electric vehicle producer is planning to offer customers three days free rental of a conventional 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?
Many electric vehicles that are used for commercial purposes are not needed for extended trips.
Because a majority of commuters drive at least 100 miles a week, the cost to the producer of making good the offer would add considerably to the already high price of electric vehicles.
The relatively long time it takes to recharge the battery of an electric vehicle can easily be fitted into the regular patterns of car use characteristic of commuters.
Although electric vehicles are essentially emission-free in actual use, generating the electricity necessary for charging an electric vehicle's battery can burden the environment.
Some family vehicles are used primarily not for commuting but for making short local trips, such as to do errands.
Because a majority of commuters drive at least 100 miles a week, the cost to the producer of making good the offer would add considerably to the already high price of electric vehicles.
add sth to sth，把某物加到……里，the cost will add to the price of car,成本会被加到车的价格里；cost of housing，房屋成本，the cost to his health，以健康为代价
由于大多数通勤者每周至少开车100英里，生产商为实现这一目标而付出的成本，将大大推高已经很高的电动汽车价格。
CR：一周就能开到100公里，那很快就能累到1000公里=3天免费租赁，这将提高汽车生产商的成本，生产商最终会把这部分成本加到电动车的售价里，由消费者买单。降低电动车对消费者的吸引力。
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