EverytimeweturnontheTVortakearideinacar，wecouldbeaddingtoaproblemcalledacidrain（酸雨）．Inthisarticle，we'lllearnsomethingimportantaboutacidrain．TheformationofacidrainWhenpeopleusefuels（燃料），s
EverytimeweturnontheTVortakearideinacar，wecouldbeaddingtoaproblemcalledacidrain（酸雨）．Inthisarticle，we'lllearnsomethingimportantaboutacidrain．
Theformationofacidrain
Whenpeopleusefuels （燃料），suchascoalandgasoline（汽油），poisonousgasesaregivenoff．Whenthesegasescometogetherwithrain，acidrainforms．Manypowerstationsburnfuelsinordertocreatetheelectricity（电） thatweuseinourhomesandofficeseveryday．Carsandtrucksalsosendthesegasesintotheairwhentheyburngasoline．Whenrainmeetsthesegases，harmfulthingscalledacidsform．Thisisacidrain．
Theharmofacidrain
Acidraindestroyseverythingthatittouches．Itpoisonsourrivers，pondsandlakesandoceansalongwiththelifeinthem．Itpollutesoursoilsandcrops，harmtrees，andcanevenkillfishandplants．Acidrainalsoeatsawayatourbuildings．
Thepreventionofacidrain
Weneedtoreduceandevenstopthepollutionthatgetsintoourair．Turnofflights，televisionsandotherelectricalappliances（电器） ifwearenotusingthem．Walkandtakeabikewheneverpossible．Ifwearetravellingalongdistance，takeabusortraintosavefuel．
Asresearchshows，acidrainharmsourenvironment．Butpeopleeverywherecantakesmallstepsnowtohelpprotectourenvironmentforfuturegenerations．
Wheneverweuseelectricityordriveourcarswemayaddsomethingbadtotheairaroundus．Andevenworse，wemaycauseaterribleproblem-acidrain．
TheformationofacidrainWhenfuels，suchascoalandgasolineareburnt，harmfulgasesaresentintotheair．Whenthesegases （1）___withrain，acidrainforms．
TheharmofacidrainAcidrainisgreatly （2）___totheenvironment．Itmakesourrivers，pondsandlakesandoceansdirtyand （3）___thedeathoffishandplants．Anditcancorrode （腐蚀） thebuildingswelivein．
ThepreventionofacidrainTryingtopreventthepollutionthatgetsintotheairis（4）___．Keeptheelectricalappliancesoffwhiletheyarenotinuse．Wecanalsousedifferentwaysoftraffictomakelessuseoffuels．
Researchtellsusthatacidrainharmsourenvironment．Sopeoplearoundtheworldcantakesmallstepsnowtomakea （5）___toourkids．
