2018届高考英语必考话题解析：话题04 世界与环境（The world & Environment）
高考试题五（2015年·新课标卷I）题型体裁话题难度建议时间语法填空议论文城市清理工业污染的例子说明这样一个道理★★★☆☆7分钟Are you facing a situation that looks impossible to fix?In 1969, the pollution was terrible along the Cuyahoga River near Cleveland, Ohi
