【5A版】大学英语演讲Global-warming.ppt

《【5A版】大学英语演讲Global-warming.ppt》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、GlobalWarming演讲人：***MainContentsWhatisglobalwarming?Whatcanwedotostopglobalwarming?Whatcausesglobalwarming?Whatisglobalwarmingdoingtous?Whatisglobalwarming?GlobalWarming:Globalwarmingistheincreaseintheaveragetemperatureoftheearth’snear-surfaceairandoceansinrecentdecades.Whatisglobalwarming?Whatca

2、usesglobalwarming?Whatcausesglobalwarming?Thesquigglelinescomingfromthesunarevisiblelightandthelinesandarrowsinsidethecarareinfraredlight.Whatcausesglobalwarming?DeforestationIndustriesemissionsPopulationGrowthWhatisglobalwarmingdoingtous?Glaciersaremelting.theseaisrisingWhatisglobalwarmingdoingt

3、ous?Insomeareas,theoriginalbountifullandnowcrackedthemouth,thechildrendonothavewatertodrinkandgrainstoeat.Whatcanwedotostopglobalwarming?WalkasfaraspossibleortravelbypublictransportUseenergyconservationelectricapplianceasfaraspossibleWhatisglobalwarmingdoingtous?Don’twastepaperTurnofflightswhenyo

4、uleaveDon’tuseplasticbagsasfaraspossiblePlantmoretreesinyourleisurehours.andsoon.......thankyouforyourlisteningwww.themegallery.com