2017-2018学年人教版必修一 Unit 4 travel journal-language points课件（34张ppt）-302edu教育资源网

2. For three days the water in the village wells rose and fell,rose and fell.三天来,村子的水井中的水位升升落落不停.

rise (rose,risen) vi.升起, 起身, 高耸, 增长, 上升 n.上升, 增加, 上涨, 发生, 出现

例：Everyone knows that the sun rises in the east.

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