The author of the passage is primarily concerned with______. Which of the following about air pollution does the passage sugges

admin2010-06-17  57

问题 The author of the passage is primarily concerned with______.
Which of the following about air pollution does the passage suggest?

选项 A、Further attempts to reduce emissions from gasoline-fueled vehicles will nor help lower urban air pollution levels.
B、Attempts to reduce the pollutants that an individual gasoline-fueled vehicle emits have been largely unsuccessful.
C、Few serious attempts have been made to reduce the amount of pollutants emitted by gasoline fueled vehicles.
D、Pollutants emitted by gasoline-fueled vehicles are not the most critical source of urban air pollution.

答案A

解析 推断题。题意为:"关于大气污染,下列哪句可由文章推断出?"请参考文章首段末句:人们越来越认识到,在无法大规模地减少私人汽车的情况下,减少汽车尾气排放的惟一有效的方法是用诸如天然气、液化石油气、乙醇或甲醇等较清洁的燃料代替传统的柴油、汽油。可知选项"减少燃汽油车辆的尾气排放的进一步努力无法降低城市的大气污染水平"为正确答案。
转载请注明原文地址:https://jikaoti.com/ti/OhRRFFFM
0

最新回复(0)