考研英语（阅读）模拟试卷11（共195题）.pdfVIP

考研英语（阅读）模拟试卷11共（9

套）

共（195题）

考研英语（阅读）模拟试卷第1套

一、阅读常（规阅读理解）本（题共25题，每题1.0

分,共25分。）

Whenadiseaseofepidemicproportionsripsintothepopulace,scientistsimmediatelyget

towork,tryingtolocatethesourceoftheafflictionandfindwaystocombatit.

Oftentimes,successisachieved,asmedicalscienceisabletoisolatetheparasite,germor

cellthatcausestheproblemandtofindwaystoeffectivelykillorcontainit.Inthemost

seriousofcases,inwhichtheentirepopulationofaregionorcountrymaybeatgrave

risk,itisdeemednecessarytoprotecttheentirepopulationthroughvaccination,soasto

safeguardlivesandensurethatthediseasewillnotspread.Theprocessofvaccination

allowsthepatientsbodyiodevelopimmunitytothevirusordiseasesothat,ifitis

encountered,onecanfightitoffnaturally.Toaccomplishthis,asmallweakordead

strainofthediseaseisactuallyinjectedintothepatientinacontrolledenvironment,so

thathisbodysimmunesystemcanlearntofighttheinvaderproperly.Informationon

howtopenetratethediseasesdefensesistransmittedtoallelementsofthepatients

immunesysteminaprocessthatoccursnaturally,inwhichgeneticinformationispassed

fromcelltocell.Thismakessurethat,shouldthepatientlatercomeintocontactwiththe

realproblem,hisbodyiswellequippedandtrainedtodealwithit,havingalreadydone

sobefore.Therearedangersinherentintheprocess,however.Onoccasion,eventhe

weakenedversionofthediseasecontainedinthevaccineprovestoomuchforthebodyto

handle,resultingintheimmunesystemsuccumbing,and,therefore,thepatientsdeath.

uchisthecaseofthesmallpoxvacci