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OurCountry’sEnvironmentalProblemsWordFocal焦点的 Quota定额 Coordinate使协调 Emission发射 Afforestation造林 Adsorption吸附 Photosynthesis光合作用 Phosphorus磷 Filtration过滤 Biodegradable能被细菌分解的 Trash垃圾 Consumption消耗 Rectification改正WastePollutionWATERPOLLUTIONThefourbasicnaturalresourcesarewater,air,landandenergy.Weneedwaterformultipleusesandacertainqualityisrequired.Itsuseleadstothegenerationofwastewaterthatcancauseanimpactontheenvironment. 水,空气,土地和能源是四个基本的自然资源。水的用途多种多样,而且要求其达到一定的标准。但是,由于人类使用而产生的污水造成了对环境的影响。Approximately300millionnationwidehavenoaccesstocleanwater.Furthermore,over700millionChinesedrinkfetidwaterbelowWorldHealthOrganizationstandards.Almost90%ofundergroundwaterincitiesisaffectedbypollutionand80%ofChina’sriversfailtomeetstandardsforfishing.Almostallofthenation'sriversareconsideredpollutedtosomedegreeandhalfofthepopulationlacksaccesstocleandrinkingwater.Ninetypercentofurbanwaterbodiesareseverelypolluted. 全国约有3亿人使用不上干净的水,此外,有超过7亿中国人饮用的水没能达到世界卫生组织的标准,几乎90%的城市地下水受到污染,80%的中国河流不符合捕鱼标准,某种程度上说,几乎所有的河流都受到某种程度的污染,一半的人口缺少干净的饮用水,90%的城市水体受到严重污染。ShuiYuBingevents水俣病事件(1953-1956)Japan bonepaindiseaseevents骨痛病事件()1955-1963)Japan poisonoussubstancescontaminatetheRhineevents剧毒物质污染莱茵河事件1986Switzerland,Germany,FranceAirPollutionPollutantsSecondarypollutants:notemitteddirectly,theyareproduced whenprimarypollutantsreactorinteract. Animportantexampleofasecondarypollutants isgroundlevelozone,itisoneofthemany secondarypollutantsthatmakeup photochemicalsmog. Majorpollutantsproducedbyhumanactivityinclude:IndoorairpollutionCountermeasuresGarbagePollutionAirPollution此课件下载可自行编辑修改,供参考! 感谢您的支持,我们努力做得更好!