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ID:41365294
大小:2.77 MB
页数:13页
时间:2019-08-23
《Living_environment(我们生存的环境)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、LivingEnvironmentWhatisenvironment?Nounenvironmentaladj1.thesurroundingsinwhichaperson,animal,orplantlives2.Ecology:theenvironmentthenaturalworldofland,sea,air,plants,andanimals:nuclearwastemustbepreventedfromleakingintotheenvironment.TheImportanceofLivingThingsinOurEverydayWo
2、rld-DidYouKnow?Habitatdestruction,andspeciesendangermentandextinctionmaysoonexceedallpreviousmassextinctionsWetlandsarequicklydisappearingduetodevelopmentanderosion.Airions(大气离子)--negativelyandpositivelychargedmoleculesintheair--andweatherhaveaprofoundimpactonphysiologicalandp
3、sychologicalbalanceUnitedStatesweatheristhemostactiveintheworldanditsgettingworse.Organicallygrownfoodsaresuperiorforourhealthandthehealthofourplanet.Pesticidesincreaseourtaxes,poisonorkillanimals,havehumanhealtheffects,contaminatewater,destroywilderness,andmore.Theamountofnon
4、-fuelmineralsconsumedin1997aloneintheUnitedStatesisastaggering4,195,400,000,000poundsorabout1.91billionmetrictons.Oceanandwaterpollutionhashitacriticallevel,andmuchofthepollutioncomesfromsourcesthatarenotdirectlyputintothewaterAlloflifeonEarthorientsitselftotheEarth‘smagneticf
5、ield(磁场),similartothewayinwhichcellsinanorganismalign(排列)inrelationtothecentralnervoussystem,andisaffectedbyandeffectsthemagneticfield.GoodLivingEnvironmentTaxiaroundtheworldAmericantaxiBritishtaxiChinesetaxi
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