传说鲧.禹父子治水成败在于“堵”“疏”之别。我国数千年的治水实践证明:“堵”.“疏”都是重要的治水之策。应根据江河流域的自然环境和社会环境全面研究.统筹规划.综合治理,“顺应自然”.“因势利导”,辨证施治。材料体现了哪些辩证唯物主义道理? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ |