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（沪教版）牛津英语教案 6B Module1 Unit3(1).Where does air pollution come from? Who made the first aeroplane? 1. Tell the story. 1 Introduce: waterfall, pump, well by drawing pictures on the board. Have the students listen and repeat after you. 2 Play the recording: Read a poem. Students follow in their books. 3 Play the recording again. Students listen and repeat.