拯救地球高二英语课件
日期:2010-08-10 08:44
50%ofthetreesinGermanyweredamaged7ThewriterusestheexamplesoftheaccidentsinbothIndiaandRussiatoexplainhowwaterispolluted8Onceoceansarepolluted,AirandWater制作:朱凤梅赵秀玲衡水市第二中学LakeBaikalDunhuangGebiIndiaMediterraneanSeaGermanyUSAAlskaChinaRussiaEARTHAIRWATERManypartsoftheworldwithlargepopulationandplentyofcropshavebecomedesert2Landmaybecomepooriffarmersdonotlimittheircattle3Goodsoilisgraduallylostthesedaysastreesarebeingcutdown4Airpollutionandwaterpollutionarethetwocausesofproblemthatmanypartsoftheworldhavebecomedesert5Chemicalsinthesmokefrompowerstationscantravelhundredsofmilesbeforefallingdowntotherain6Afterabadaccidentatanuclearpowerstation,SavingtheearthLesson34Unit9Earth,theyarenotabletocleanthemselvesManypartsoftheworldwithlargepopulationandplentyofcropshavebecomedesert(T)2Landmaybecomepooriffarmersdonotlimittheircattle(T)3Goodsoilisgraduallylostthesedaysastreesarebeingcutdown(T)4Airpollutionandwaterpollutionarethetwocausesofprobl,
查看全部