第一篇
nowadays,the environment is serious,water problem become the biggest problem in the world,so ,we must do our best to saving water. water is a useful source.nobody can live without water.water can make people live,the used water can use to watering plants,washing the rooms and so on.in rencet years ,the water resauce shortage,it is because of the humans destroy.they throw away the used thing anywhere they want,make the river so dirty.now,we must take measures
