垃圾问题怎么办?
母题：Many people say that we have developed into a “throw-away” culture, because we are filling up our environment with so many plastic bags and rubbish that we cannot fully dispose of. To what extent do you agree with this opinion and what measures can you recommend reducing this problem? (050806)
提示：这道题目应该围绕“一次性文化”产生的原因、后果和解决方法来展开。原因：对于方便、卫生的追求。后果：破坏水源、污染土地、污染空气。解决方法：三个R：reduce, reuse, recycle。
子题：消费品的增加会导致自然环境的破坏，原因和解决方法是什么?
