议论文要有论点、论据、个人观点。以环保为主题：Protection of Environment There are still many problems of environmental protection in recent One of the most serious problems is the serious pollution of air， water and soil英语作文，论据议论文要有论点、论据、个人观点。以环保为主题：Protection of Environment There are still many problems of environmental protection in recent One of the most serious problems is the serious pollution of air， water and soil
