Why the water is the origin of life on earth?

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• water is very important ___living things.without water,there will be ___life on the earth
• There can be no life on the earth without water.
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• Water is very important to l_____ things.Without water there can b______ no life on the earth.All animals and p______ need water.Man a______ needs water.We need water to drink,to c_____ our food and clean o_____.Water is n______ in factories,offices,schools and hospitals.From space the earth l_____ like a huge water-covered globe.W______ covers about 70 percent of the earth's surface.There is water in oceans,sea,r______ and lakes.E______ in the driest
• 英语阅读两篇Plants are very important living things.Life could not go on if there were no plants.This is because plants can make food from air,water and sunlight.Animals and man cannot make food from air,water and sunlight.Animals get their food by eating plants and other animals.Therefore animals and man need plants in order to live.This is why we find that there are so many plants around us.If you look carefully at the plants around you,you will find that
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