8篇分类高考阅读理解及答案详解科普类Passage 1Many cities around the world today are heavily polluted.Careless methods of production and lack of consumer demand for environment(环境)friendly products have contributed to the pollution problem. One result is that millions of tons of glass,paper,plastic,and metal containers are produced,and these are difficult to get rid of.However,today,more and more consumers are choosing“green”,and demanding that the products they buy should be safe for the environment.Befor