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最佳答案:Water is the source of life.It is important to all living thing on the Earth.So
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最佳答案:water is very importantIt is all to know that water is very important for human
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最佳答案:A healthy diet is made upof water and a great many different kinds of foods.We k
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最佳答案:Water is the source of life.It is important to all living thing on the Earth.So