上学期unit9warming-up高二英语教案

trytouseandrecyclemuchwaterwaterpollutionCauses:factory&carSolution:usenewtechnology，uselessenergy，trytouseandrecyclemuchwaterStarvationCauses:unevendistributionofwealth，uselessenergy，trytouselesswoodAirPollutionCauses:factory&carSolution:usingnewtechnology，sometimesnaturaldisastersSolution:providingeducationandtechnology，Warming-upandlisteningStep1Warming-up1BrainstormingWhatproblemscanyoufindoutaboutourearth?Problems:sandstormairpollutiondesertwaterpollutionhungerlargepopulationrubbishwarsCanyouthinkaboutsomesolutions?Whatdoyouthinkisthebiggestproblem?Whatdoyouthinkcausestheproblem?Whatshouldwedotosolvetheproblem?2Warming-upTrash/GarbageCauses:buyproductusingtoomuchwrappingandthenthrowawaytoomuchgarbageinthestreetorinnatureSolution:reducegarbagebybuyingproductsthatuselesspackagingandneverthrowthemorrecyclethemdeforestationCauses:needforwoodandfuelSolution:plantnewtrees，givingmonetaryaidtodisaster-strickenareasDesertificationCauses:needforwoodandfuelSolution:repairdesertarea&protectthearea，