陕旅版六年级英语下册 Lesson 14 WaterIf you’re Happythe earthLook at the green part, What is it? It’s the land.What about the blue part? It’s the water.There is a lot of water on the earth,such as lakes, rivers, seas.All of us know that the 70 percent of the world is water.The earth is a ball filled with water.sea waterSee water is Cold and salty.FishesWhaleDolphinsWater grassIn the deep part of the sea, many kinds of living things live in the water.So the sea is a myster..