高考英语阅读理解和短文改错选练3.docx
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高考英语阅读理解和短文改错选练3
2020高考英语阅读理解和短文改错选练(3)
阅读下列短文,从给的四个选项(A、B、C和D)中,选出最佳选项。
ScientistsinUKhavegrownalivinghuman"brain".TheteamatAstonUniversitycreatedtinybunchofcellswhichactlikeamininervoussystem.
TheybelieveitcouldhelpfindacureforworsementalconditionslikeParkinson’sdisease.ProfessorMichaelColemanisleadingtheresearchprogram.Heexplained,"Weareaimingtobeabletostudythehumanbrainatthemostbasiclevel,usinganactuallivinghumancellsystem.Cellshavetobealiveandoperatingefficientlytoenableustoreallyunderstandhowthebrainworks."Theexperimentinvolveschangingcellsfromacancertumour(肿瘤)andmakingthembehavelikebraincells.
Althoughfarfromfinished,researchershopethefalsebraincellswillgivethemagreaterunderstandingofhowrealbrainswork.This,inturn,couldsignificantlyfurtherresearchintoconditionswhichaffectthebrain.NeilHunt,chiefleaderoftheresearchgroup,said,"Itisstillveryearlydays,butinthefuturetheresearchcouldleadtoausefultoolforlookingintodementia(痴呆)."
ThetechniquecouldalsoprovideawaytocarryonanimaltestandisbeingsupportedbytheHumaneResearchTrust(HRT).Thescientistspredictthatoverthenexttenyearsamillionpeoplewilldevelopdementia.ProfessorColemanbelievestheirfindingscouldchangethis.Hesaid,"Wehopeourresearchwillprovidescientistswithanewandhighlyrelationalhumanexperimentalmodeltohelpthemunderstandthebrainbetteranddevelopnewdrugstocontroltherelateddisease.However,thebiggestchallengeatpresentisthatwearegreatlyshortoffund,whichwillslowourresearch."
1.UKscientistsgrowalivinghuman"brain"inorderto______.
A.studythestructureofhumanbrainB.makeuseoflivinghumancellsystem
C.discoverhowhumanbrainreallyworksD.separatecellsfromacancertumour
2.AccordingtoNeilHunt,researchintobraincells______.
A.willgetfinishedasearlyaspossibleB.willmakepeoplediscoverdementia
C.willaffectthebraingrowthinmanyways
D.willhelptotreatsomediseasesinnervesystem
3.Fromthelastparagraph,wecanknowthat______
A.thetechniqueprovidedbyHRTisimmature
B.animaltestsarenolongerallowedbylaw
C.amillionpeoplesufferfrombraindiseases
D.theresearchprogramlacksfinancialsupport
4.Thetextisintendedto______.
A.tellusaboutabreakthroughinmedicalresearch
B.introducearesearchprograminhuman'sbrain
C.introducetheprogressofdrugsfordementia
D.tellusabouthealthprobleminnervesystem
【参考答案】1—4、CDDB
【科普知识型---阅读理解】
HousedinMilan,oneofEurope'sdirtiestcities,LeonardodaVinci'smasterpieceTheLastSupperstillfacesathreatfromairpollution,researcherssay,despitepreventativemeasuresthathavesignificantlydecreasedpollutantsinthechurchwherethefamouspaintingisondisplay.
In2009,Italianauthoritiesinstalledaheating,ventilation(通风)andairconditioningsystemtoprotectthepaintingfromMilan'spollutedair.Toseewhetherthesystemcouldimproveairquality,ateamofresearchersledbyConstantinosSioutas,aprofessorofcivilandenvironmentalengineeringattheUniversityof
SouthernCalifornia,placedtwoairqu
alitymonitorsinsidethechurchforayeartocollectsamplesfromaroundpainting.Resultsshowedthelevelsoffineandcoarseparticulateswerereducednearthepaintingby88percentand94percent,respectively,comparedwiththecorrespondingoutdoorlevels.“It'saspectacularreduction,”Sioutassaidinastatement.“Itis,frankly,veryimpressive.”
AlthoughtheresearchersapplaudedthesuccessfuldecreaseinparticulatesarounddaVinci'spainting,theywarnedthatindoorsourcesofpollutionmaystillposeathreattothepricelesspainting.Fattylipids(油脂)fromtheskinofcustomersinthechurchappearedinsignificantquantitiesaroundthepainting,despitethefactthatvisitorsgettingaccesstotheartworkarestrictlyregulated.
Onlyafewvisitorsareallowedinsidethechurchatatime,andtheyenterthebuildingandcanstayforonly15minuteseach.However,fattylipidsfromvisitors'skincancombinewithdustintheairandpollutethepaintingiftheycomeincontactwithit,saysstudyresearcherNancyDaheroftheUniversityofSouthernCalifornia.
Evenpreviousrestorationsofthepaintingmaypolluteitssurface,Dahersaid.Tinyparticulatesofthewaxappliedduringearlyrepaireffortscanbeemittedfromthepainting,getintotheairandtarnish(使失去光泽)thepaintinginthesamemannerasthefattylipids
.
Theresearchersnotedthattheirairsampleanalysiscouldbeusedasapointofreferenceforfuturestudiesaimedatprotectingvaluableartwor
kandartefacts.
1.Whatdoestheunderlinedword“particulates”inParagraph2probablymean?
A.Thesmallestpartsofachemica