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最佳答案：we can save time and resources by this way.或者Doing this will be good for saving
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最佳答案：Nowadays, waste in our life is very serious. In order to improve students' reali
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最佳答案：There are some people who always waste food in the dining-room,which is also a w
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最佳答案：优质产品总是畅销的Products of good quality always________ ________ 【are popular】你昨天为何急于买这
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最佳答案：Everyone could affect the environment and take the measure to improve it. There
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最佳答案：1.Save energy and resources effectively .2. Promote the concept of environmental
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最佳答案：Aiming at the conservation of water resources. Water is the key topic, reasonabl
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最佳答案：Water is very important to the human beings.But now many rivers and lakes are po
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最佳答案：I think, in severe drought areas, the two bottles of water should be them alive