2007-2013廣東高考英語閱讀理解c篇真題及解析

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1、2007-2013廣東高考英語閱讀理解C篇真題及解析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,althoughexactnu

2、mbersaredifficulttoassessbecausemanypeopledon't(orcan't)seekcare.Itisnotunusualforafamilyearninglessthantwohundreddollarsayeartospendaquarterofitsincomeonmalariatreatment,andwhattheyoftengetnolongerworks.IncountrieslikeTanzania,Mozambique,andtheGambia,nofamily,village,hospital,orworkplacecanr

3、emainunaffectedforlong.Malariastartssuddenly,withviolentchills,whicharesoonfollowedbyanintensefeverand,often,headaches.Astheparasitesmultiply,theytakeovertheentirebody.Malariaparasiteslivebyeatingtheredbloodcellstheyinfect(感染).Theycanalsoattachthemselvestobloodvesselsinthebrain.Ifitdoesn’tkil

4、lyou,malariacanhappenagainandagainforyears.Thediseasepassedontohumansbyfemalemosquitoesinfectedwithoneoffourspeciesofparasite.Together,themosquitoandtheparasitearethemostdeadlycoupleinthehistoryoftheearth—andoneofthemostsuccessful.Malariahasfivethousandgenes,anditsabilitytochangerapidlytodefe

5、nditselfandresistnewdrugshasmadeitnearlyimpossibletocontrol.Studiesshowthatmosquitoesarepassingonthevirusmorefrequently,andtherearemoreoutbreaksincitieswithlargepopulations.Someofthedisease’sspreadisduetoglobalwarming.Fordecades,thefirst-choicetreatmentformalariaparasitesinAfricahasbeenchloro

6、quine,achemicalwhichisverycheapandeasytomake.Unfortunately,inmostpartsoftheworld,malariaparasiteshavebecomeresistanttoit.Successfulalternativesthathelppreventresistancearealreadyavailable,buttheyhavebeeninshortsupplyandareveryexpensive.Ifthesedrugsshouldfail,nobodyknowswhatwouldcomenext.51.Ac

7、cordingtoparagraph1,manypeopledon’tseekcarebecause_________.A.theyaretoopoorB.itisunusualtoseekcareC.theycanremainunaffectedforlongD.therearetoomanypeoplesufferingfromthedisease52.Peoplesufferingfrommalaria_________.A.havetokillfemalemosquito