2008年12月英语四级作文真题:一次性塑料袋

Soon before,disposable plastic bags were hot among people,which were regarded as one of the most useful inventions of the world.It seemed that disposable plastic bags are widely used among the people of all ages due to their convenience and usefulness. But soon,all kinds of problems came from all the directions.What is the most obvious is causing environmental damage ranging from water pollution to air pollution,which is so-called "White Pollution",really ruining our health.Furthermore,those disposable plastic bags