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同学们，本学期你们学了Water这个单元，请以“Water”为题，围绕以下问题用英语介绍以下水的来源，用途等方面的情况。40词左右。

Questions: 1. Where does water come from?

2. How do people use water?

Work bank: pond, tap, river, rain, lake, sea……

brush teeth, clean the floor, grow crops, put out fires, cook food……

                                                                                Water is useful

    Water is around us. ……

    Water is useful. We must save water.