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1、2007-2013廣東高考英語閱讀理解C篇真題及解析C【2007】Malaria,theworld'smostwidespreadparasitic(寄生蟲引起的)disease,killsasmanyasthreemillionpeopleeveryyear—almostallofwhomareunderfive,verypoor,andAfrican.Inmostyears,morethanfivehundredmillioncasesofillnessresultfromthedisease,althoughexactnumbersared
2、ifficulttoassessbecausemanypeopledon't(orcan't)seekcare.Itisnotunusualforafamilyearninglessthantwohundreddollarsayeartospendaquarterofitsincomeonmalariatreatment,andwhattheyoftengetnolongerworks.IncountrieslikeTanzania,Mozambique,andtheGambia,nofamily,village,hospital,orworkp
3、lacecanremainunaffectedforlong.Malariastartssuddenly,withviolentchills,whicharesoonfollowedbyanintensefeverand,often,headaches.Astheparasitesmultiply,theytakeovertheentirebody.Malariaparasiteslivebyeatingtheredbloodcellstheyinfect(感染).Theycanalsoattachthemselvestobloodvessels
4、inthebrain.Ifitdoesn’tkillyou,malariacanhappenagainandagainforyears.Thediseasepassedontohumansbyfemalemosquitoesinfectedwithoneoffourspeciesofparasite.Together,themosquitoandtheparasitearethemostdeadlycoupleinthehistoryoftheearth—andoneofthemostsuccessful.Malariahasfivethousa
5、ndgenes,anditsabilitytochangerapidlytodefenditselfandresistnewdrugshasmadeitnearlyimpossibletocontrol.Studiesshowthatmosquitoesarepassingonthevirusmorefrequently,andtherearemoreoutbreaksincitieswithlargepopulations.Someofthedisease’sspreadisduetoglobalwarming.Fordecades,thefi
6、rst-choicetreatmentformalariaparasitesinAfricahasbeenchloroquine,achemicalwhichisverycheapandeasytomake.Unfortunately,inmostpartsoftheworld,malariaparasiteshavebecomeresistanttoit.Successfulalternativesthathelppreventresistancearealreadyavailable,buttheyhavebeeninshortsupplya
7、ndareveryexpensive.Ifthesedrugsshouldfail,nobodyknowswhatwouldcomenext.51.Accordingtoparagraph1,manypeopledon’tseekcarebecause_________.A.theyaretoopoorB.itisunusualtoseekcareC.theycanremainunaffectedforlongD.therearetoomanypeoplesufferingfromthedisease52.Peoplesufferingfromm
8、alaria_________.A.havetokillfemalemosquitoesB.haveabilitytodefendpar
