近年来，土地荒漠化这个环境问题已成为全世界人民所关注的热点之一，世界各国发生的环境问题大都与此有关。中国北方大部分地区出现的扬沙、沙尘暴等天气都是由土地荒漠化引起的。１９９９年的春天，我同爸爸、妈妈一起到新建县厚田乡进行家访，见到了那片巨大的沙地，我不由 In recent years, the environmental issue of land desertification has become one of the hot spots that the people of the world are concerned about. The environmental problems that have occurred in various countries in the world are related to this. Most of the northern part of northern China, where sandstorms and dust storms occur, are caused by land desertification. In the spring of 1999, I went home with my dad and my mother to Houtian Township, Xinjian County. I saw the huge sandy land. I could not help but