请仔细阅读这篇文章，然后做题。 The Earth Earth means many things to the people who live on it. A farmer thinks earthis soil for growing vegetables and fruits. A person who makes roads thinks earth is mountains of hard rock. A sailor thinks earth is water as far as the eyes can see.The earth is a big ball covered with water, rock, and soil. The earth is a planet. There are nine planets around our sun.Animals and plants live almost everywhere on the earth. They can live on the earth because it is not too far from the sun, or too close to the sun. Living things need the sun. The sun keeps them warm. Most living thing-plants, like vegetables, fruits, trees and grass, and animals-also must have water to live. The earth has over seventy-five(75%)of water on it. 1. What does a farmer think earth is? _________________________________ 2. What does a person who makes roads think earth is? _________________________________ 3. What is earth to a sailor? _________________________________ 4. Plants and animals need the sun to live,What else do they need? _________________________________