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A certain mayor has proposed a fee of fivedollars per day on private vehicles entering the city, claiming that the feewill alleviate the city's traffic congestion.The mayor reasons that,since the fee will exceed the cost of round-trip bus fare from manynearby points,many peoplewill switch from using their cars to using the bus.因为过路费用高,所以选择公交 Which of the following statements, if truel provides the best evidence that the mayor's reasoning is flawed? (A) Projected increases in the price of gasoline will increase the cost oftaking a private vehicle into the city.油价升高,私家车进入城市花费更多,这样人们选择公交可能是因为油价升高,而不是因为有入城费啊,好像也说得过去。。。 (B) Thecost of parking fees already makes it considerably moreexpensive for most people to take a private vehicle into the city thanto take a bus.停车费已经对大多数人来说比乘公交花费多很多,这样的话他们还是选择开私家车,所以省钱不是他们考虑的首项 我知道削弱有3种:C-->B,非A-->B,和 A-->非B 我认为A选项是C-->B,而B选项是A-->非B 或者flaw是种特殊的题型,只能是A-->非B? |
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