#新GRE阅读练习题(49) 搜索结果
IntheUnitedStates,averagefuelefficiencyofnewlymanufactureddomesticcars,althoughremainingworsethanthatofnewlymanufacturedimportedcars,substantiallyimprovedbetween1983and1988.Averagefuelefficiencyofnewdomesticca