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.

1. 在回答这个问题时，您可以讨论河流和湖泊对一个国家的生态、经济和文化重要性。在生态上，它们对维持生物多样性至关重要，为各种物种提供栖息地，并支持生态系统。 2. 在经济上，河流和湖泊对农业、工业和旅游业很重要。它们为灌溉提供水源，作为运输路线，并吸引游客进行休闲活动。在文化上，它们往往具有历史和精神意义，经常出现在文学、艺术和传统中。您可以举例说明河流和湖泊如何促进一个国家的发展和身份。