1.When answering this question, you can discuss the ecological, economic, and cultural significance of rivers and lakes to a country. Ecologically, they are crucial for maintaining biodiversity, providing habitats for various species, and supporting ecosystems. 2.Economically, rivers and lakes are important for agriculture, industry, and tourism. They provide water for irrigation, serve as transportation routes, and attract tourists for recreational activities. Culturally, they often hold historical and spiritual significance, being featured in literature, art, and traditions. You can give examples of how rivers and lakes contribute to a country's development and identity.