Besidescontainingattractiveflowers,treesandotherplantsthatbeautifythecommunity,eco-friendlyraingardensarehealthyfortheenvironmentandthepeoplelivingandworkingnearby.Araingardenisnotverydifferentfromatraditional
Besidescontainingattractiveflowers,treesandotherplantsthatbeautifythecommunity,eco-friendlyraingardensarehealthyfortheenvironmentandthepeoplelivingandworkingnearby.
Araingardenisnotverydifferentfromatraditionalgarden.Itisjustafarmoreeco-friendlygarden.Usuallyitisbuiltlowerthantheground.Raingardensmakesmartuseofrainandstormwaterbytemporarilyholdingwaterfromrainandstormsandlettingitsoak(浸人)slowlyintothegroundbeforeitrunsintostreamsorentersthepublicdrinkingwatersupply.
Thus,araingardenkeepsthewater,allowingittobeusedasneededbyplantsintheraingarden,ratherthanflowingimmediatelyintonearbystreamsandgoingunused.Thewaterwillsoakslowlyintothegroundwithinadayortwo.Thiscreatesanadvantagethattheraingardendoesnotallowmosquitoestobreed.Thisisasimple,attractive,andeco-friendly“green”waytotreatstormwater.
What’smore,plantingaraingardenhelpsreducepollutionandimprovetheenvironment.Withoutusingexpensivemachineryandchemicals,raingardensremoveharmfulchemicalsintherainwaterandcutdownontheamountofpollutionreachingstreamsandriversbyupto30%.
Nativeplantsarerecommendedforraingardensbecausetheyaremoreusedtothelocalsclimatem,soil,andwaterconditions.Theymayattractlocalwildlifesuchasnativebirds.Wateryourraingardenimmediatelyafterplantingandonceaweek,unlessyouhavehadatleastaninchofrainduringtheweek.Oncethenativeplantsestablishthenecessaryrootsystem,itwillrequirelittlecare.
Often,localgovernmentsandprivatebusinessesdeveloplargeraingardensintheiryardsandinpublicparksasawaytoimprovetheenvironmentandsolvefloodingproblems.However,youdon’tneedtobeaprofessionalenvironmentalengineertocreatearaingarden.Aslongasyou’reeco-conscioushomeowners,youcanhelptheenvironmentbybuildingsmallerraingardensinyouryards.
小题1:Whichofthefollowingistheeco-friendlyfunctionofraingardensdiscussedinParagraph4?A.Theycankeeptherainandstormwater.B.Theycanhelpreducethepollutionproblem.C.Theycanbehealthyforthepeoplearound.