164. Because natural gas is composed mostly of methane, a simple hydrocarbon, vehicles powered by natural gas emit less of certain pollutants than the burning of gasoline or diesel fuel. (A) less of certain pollutants than the burning of gasoline or diesel fuel (B) fewer of certain pollutants than burning gasoline or diesel fuel do (C) less of certain pollutants than gasoline or diesel fuel (D) fewer of certain pollutants than does burning gasoline or diesel fuel (E) less of certain pollutants than those burning gasoline or diesel fuel ABCD都犯了比较对象不对称的错误,前面的对象是烧natural gas 的Vehicles,后面是烧gasoline 或disel fuel的vehicles,用Those代替vehicles就perfect了 所以选E,CORRECT!! |