2014
高考英语阅读理解全程冲刺训练（9）及答案 阅读理解阅读下面短文，从每题所给的四个选项(a、b、c和d)中，选出最佳答案。 disposing(处理)of waste has been a problem since humans started producing it.as more and more people choose to live close together in cities,the waste-disposal problem becomes increasingly difficult.
