SavingtheEarth高二英语课件
日期：2010-10-08 10:26
xUNIT9SavingTheEarthDeforestationcuttingtrees，soillostAirpollutionGlobalwarmingindustrialgasstarvationdevelopeconomyWaterpollutionrecycleenergysandstormwaterpollutionrubbishpollutionairpollutionuselesspacking，soillostgrowthringdisposablechopstickDesertificationcuttingtrees，neverthrowintostreetsorriversacidrainElninocoalmine，
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