84、The country Myria, which charges fees for the use of national parks, reports little evidence of environmental damage. This strongly suggests that for the country Illium, the best way to preserve public lands is to charge people more money when they are using national parks and wilderness areas for activities with heavy environmental impact. By collecting fees from those people who overuse public lands, Illium will help preserve those lands for present and future generations.
2016高考英语(人教版)一轮题库:Book 1 Unit 2《English around the world》
2016高考英语(人教版)一轮题库:Book 7 Unit 5《Travelling abroad》
(重庆大学版)2016届高考英语一轮复习:考点规范练22
2016高考英语(人教版)一轮题库:Book 5 Unit 4《Making the news》
(重庆大学版)2016届高考英语一轮复习:考点规范练21
2016高考英语(人教版)一轮题库:Book 7 Unit 2《Robots》
2016高考英语(人教版)一轮题库:Book 6 Unit 4《Global warming》
2016高考英语(人教版)一轮题库:Book 5 Unit 2《The United Kingdom》
(重庆大学版)2016届高考英语一轮复习:考点规范练20
2016高考英语(人教版)一轮题库:Book 4 Unit 3《A taste of English humour》
2016高考英语(人教版)一轮题库:Book 2 Unit 3《Computers》
(重庆大学版)2016届高考英语一轮复习:考点规范练15
2016高考英语(人教版)一轮题库:Book 4 Unit 1《Women of achievement》
(重庆大学版)2016届高考英语一轮复习:考点规范练17
2016高考英语(人教版)一轮题库:Book 3 Unit 4《Astronomy:the science of the stars》
2016高考英语(人教版)一轮题库:Book 1 Unit 5《Nelson Mandela—a modern hero》
(重庆大学版)2016届高考英语一轮复习:考点规范练18
2017届高考英语复习冲刺阶段经典讲义系列突破阅读理解 1
2016高考英语(人教版)一轮题库:Book 6 Unit 3《A healthy life》
2016高考英语(人教版)一轮题库:Book 5 Unit 5《First aid》
2016高考英语(人教版)一轮题库:Book 2 Unit 5《Music》
2017届高考英语复习冲刺阶段经典讲义系列突破阅读理解 2
2016高考英语(人教版)一轮题库:Book 3 Unit 1《Festivals around the world》
2016高考英语(人教版)一轮题库:Book 8 Unit 2《Cloning》
(重庆大学版)2016届高考英语一轮复习:考点规范练19
2016高考英语(人教版)一轮题库:Book 4 Unit 2《Working the land》
2016高考英语(人教版)一轮题库:Book 8 Unit 4《Pygmalion》
2016高考英语(人教版)一轮题库:Book 8 Unit 3《Inventors and inventions》
2016高考英语(人教版)一轮题库:Book 7 Unit 1《Living well》
(重庆大学版)2016届高考英语一轮复习:考点规范练24