Marathon Plus Grade 7 - Reference Book
9.1
9.1
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Unit 9, environment, listening, 9 .1, match and write, then listen.
1, solar energy, 2, turn on, turn off, 3, public transportation, 4, eco -friendly, 5,
fossil fuel, 6, forest, 7, habitat, 8, oxygen, 9, carbon dioxide, 10, recycle, 11,
plant, 12, increase, 13, temperature, 14, global warming, 15, air pollution, 16, acid
rain, 17, factory, 18, water pollution, 19, deforestation, 20, coal, 21, cut down, 22, litter, 23, pesticide
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