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标题: gwd-8-19 [打印本页]

作者: creativity 时间: 2005-5-28 17:28 标题: gwd-8-19

Certain politicians in the country of Birangi argue that a 50 percent tax on new

automobiles would halt the rapid increase of automobiles on Birangi’s roads and thereby

slow the deterioration of Birangi’s air quality. Although most experts agree that such a

tax would result in fewer Birangians buying new vehicles and gradually reduce the

number of automobiles on Birangi’s roads, they contend that it would have little impact

on Birangi’s air-quality problem.

Which of the following, if true in Birangi, would most strongly support the experts’

contention about the effect of the proposed automobile tax on Birangi’s air-quality

problem?

A. Automobile emissions are the largest single source of air pollution.

B. Some of the proceeds from the new tax would go toward expanding the

nonpolluting commuter rail system.

C. Currently, the sales tax on new tax on new automobiles is considerably lower than

50 percent.

D. Automobiles become less fuel efficient and therefore contribute more to air

pollution as they age.

E. The scrapping of automobiles causes insignificant amounts of air pollution.

答案是D,我选E

因为“ gradually reduce the number of automobiles on Birangi’s roads”
所以即使D对也不能得出结论
E很好的strengthen了结论，试想如果Birangi平均每一千个人只有一辆车，而平均每100个人就有一家有很多污染的工厂

请NN门确认，谢谢

作者: creativity 时间: 2005-5-29 07:34

thanks !!!

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