欢迎来到天天文库
浏览记录
ID:57057581
大小:8.86 MB
页数:19页
时间:2020-07-30
《help_our_mother_earth 拯救我们的地球母亲课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、HelpOurMotherEarthGlobalwarming:anincreaseintheaveragetemperatureoftheearth’satmosphere(especiallyanincreasethatcausesclimaticchanges)caroffgastreecuttingwaterpollutionwastegasfromfactoryNowthenumberofcarsusedinChinaisabout13millionanditwillincreaseby9percentin10-15yearswiththedevelopmentofthee
2、conomicEachyeartherearemorethanarecutdown.Itcauseddrought…..butthemostseriousresultistheglobalwarming.Thepollutedwaterrunsintotheoceanandthendestroythebalanceofthesea-plant.Atthesametime,itdisturbsthereproducingofoxygen.Alsothewastegasreleasedfromfactoriespollutedtheaircritically,someotherpictu
3、resaboutenvironmentalproblemspeoplethrowrubbishabout,destroyingtheenvironmentandthetoomuchcigarettesnotonlyhurthealth,butalsopollutetheairwebreathewebroketheirfamily,theydon’thavethingstoeatreturnourbeautifulmotherearthdowhatwecandohelpwhatwecanhelpThankyou!
此文档下载收益归作者所有