Airpollution 　　Airpollutioncomesfromfactories,powerstationsandcars.Chemicalsinthesmokefrompowerstationscausealotofdamage.Theycantravelhundredsofmilesinthewindbeforefallingtothegroundintherain.Butthis"chemicalrain"graduallydestroystreesintheforestsandkillsfishinthelakes.InGermany,over50%ofthecountry'streeshadbeendamagedbytheyear1986. 　　Timeandtimeagainthereareseriousaccidentsthatpollutetheair.In1986therewasabadaccidentatanuclearpowerstationinRussia.AcloudofradiationcrossedthewholeofEurope.Itissaidthat125,000peoplediedinRussiaasaresultofillnessescausedbythisaccident. 　　In1984therewasaseriousaccidentatafactoryinIndiaandacloudofdangerousgascoveredthetownofBhopal.Over2,500peoplewerekilledthatnight,andhundredsofthousandsofpeoplewereinjured.Manyoftheinjuredlosttheirsight. 　　[参考译文] 　　空气污染 　　空气污染来自工厂、电站和汽车.电站发出的烟雾中所含的化学物质造成很大的破坏.这些化学物质可以随风飘走几百英里,然后才随雨水降落地面.但是这种“化学雨”逐渐摧毁森林里的树木,杀死湖泊中的鱼.在德国,到1986年止,全国已经有过半数的树木被摧残. 　　空气被污染的严重事故不时地在发生.1986年俄罗斯一座核电站发生过一起严重事故.一团带有辐射的尘埃穿越了整个欧洲.据说,在俄罗斯有125000人由于这次事故引起的疾病而死亡. 　　1984年印度一家工厂发生了一起严重事故,一团有危险的气体笼罩着博帕尔市,当晚就有2500多人死亡,有成千上万人受伤,受伤者中有许多人双目失明.