高考英语阅读理解和短文改错选练3Word文档下载推荐.docx

高考英语阅读理解和短文改错选练3Word文档下载推荐.docx

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.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"

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