标题: 一个逻辑问题，大全TEST B的第二题，想不通答案……求牛人指导！ [打印本页] 作者: 竹灵溪月 时间: 2011-7-31 08:58 标题: 一个逻辑问题，大全TEST B的第二题，想不通答案……求牛人指导！ 2. In the years sincethe city of London imposed strict air-pollutionregulations on local industry, the number of bird species seen in and around London has increaseddramatically. Similar air-pollution rules should be imposed in other majorcities. Each of the followingis an assumption made in the argument above EXCEPT: (A) Inmost major cities, air-pollution problems are caused almost entirely by localindustry. (B) Air-pollutionregulations on industry have a significant impact on the quality of the air. (C) The air-pollutionproblems of other major cities are basically similar to those once suffered by London . (D) An increase in the number of bird species inand around a city is desirable. (E) The increasedsightings of bird species in and around London reflect an actual increase in the number of species in the area.