资源描述：
《2016年高考英语母题题源系列专题08阅读理解(科普)(含解析汇报).doc》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、实用文档母题八阅读理解（科普阅读）【母题来源一】【2016·北京】【母题原题】【2016·北京】CCaliforniaCondor’sShockingRecoveryCaliforniacondorsareNorthAmerica’slargestbirds,withwing-lengthofupto3meters.Inthe1980s,electricallinesandleadpoisoning(铅中毒)nearlydrovethemtodyingout.Now,electricshocktrainingandmedicaltreat
2、mentarehelpingtorescuethesebigbirds.Inthelate1980s,thelastfewcondorsweretakenfromthewild,andtherearenowmorethan150flyingoverCaliforniaandnearbyArizona,UtahandBajainMexico.Electricallineshavebeenkillingthemoff.“Astheygointorestforthenight,theyjustdon’tseethepowerlines,”say
3、sBruceRideoutofSanDiegoZoo.Theirwingscanbridgethegapbetweenlines,resultinginelectrocution(电死)iftheytouchtwolinesatonce.Soscientistshavecomeupwithashockingidea.Tallpoles,placedinlargetrainingareas,teachthebirdstostayclearofelectricallinesbygivingthemapainfulbutundeadlyelec
4、tricshock.Beforethetrainingwasintroduced,66%ofset-freedcondorsdiedofelectrocution.Thishasnowdroppedto18%.Leadpoisonoushasprovedmoredifficulttodealwith.Whencondorseatdeadbodiesofotheranimalscontaininglead,theyabsorblargequantitiesoflead.Thisaffectstheirnervoussystemsandabi
5、litytoproducebabybirds,andcanleadtokidney(肾)failuresanddeath.SocondorswithhighlevelsofleadaresenttoLosAngelesZoo,wheretheyaretreatedwithcalciumEDTA,achemicalthatremovesleadfromthebloodoverseveraldays.Thisworkisstartingtopayoff.Theannualdeathrateforadultcondorshasdroppedfr
6、om38%in2000to5.4%in实用文档2011.Rideout’steamthinksthattheCaliforniacondors’averagesurvivaltimeinthewildisnowjustundereightyears.“Althoughthesemeasuresarenoteffectiveforever,theyarevitalfornow,”hesays.“Theyaretrulygoodbirdsthatarewortheveryeffortweputintorecoveringthem.”63.Ca
7、liforniacondorsattractresearchers’interestbecausethey.A.areactiveatnightB.hadtobebredinthewildC.arefoundoninCaliforniaD.almostdiedoutinthe1980s64.Researchershavefoundelectricallinesare.A.blockingcondors’journeyhomeB.bigkillersofCaliforbniacondorasC.restplacesforcondorsatn
8、ightD.usedtokeepcondorsaway65.AccordingtoParaghaph5,leadpoisoning.A.makescondorstoonervoustoflyB
