阅读理解专题练之重难题型增分练(一)

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1、重难题型增分练（一）A（2017-合胆市髙三第一次敎学质量检测）PatientsintheearlystagesofAlzheimer"sdiseaseoftenstruggletorememberrecentlylearnedinformation,meaningtheyforgetthingslikeimportantappointmentsorwheretheylefttheirkeys.ButitseemsthatthesememoriesarenotlosLTheyarestillfiledawayinthebrainsomewhere;t

2、heyjustcan，tbeeasilyaccessed.Now;researchersatMIThavedevelopedameansofgettingbackmemoriesinmicesufferingfromAlzheimer^s.Themethodreliesonatechniquethatuseslighttocontrolgeneticallymodifiedneurons（转基因神经元）.Currentlyitistooearlytobeusedinhumantrialsasitinvolvesinsertinglightemitti

3、ng（发光）equipmentintothesubjects'brains,butthesameprinciplesstillapply，theresearcherssaid."Theimportantpointisthatthisisevidenceoftheconcept.Thatis,evenifamemoryseemstobegone,itisstillthere.lt"samatterofhowtogetitback,”saidtheseniorresearcherSusumuTonegawa.Theteamtooktwogroupsofm

4、ice,onegeneticallyengineeredtodevelopAlzheimersandonehealthy

5、erswerethenabletobringbackthememoryoftheshockbyactivating（激活）thecellsinwhichthememorieswerestored.Evenwhenthemicewereputintoanunfamiliarroom,theyshowedfearwhenthecellsassociatedwiththeshockwereactivated.^Short-termmemoriesseemtobenormalinorderofhours.Butforlong-termmemories,the

6、seearly-Alzheimer"smiceseemtobedamaged”saidtheleadresearcherDheerajRoy.uDirectlyactivatingthecellsthatwebelieveareholdingthememoryhelpsthemgetitback.Thissuggeststhatitisindeedanaccessproblemtotheinformation^notthattheyareunabletolearnorstorethismemory•”爺麻殡「亲文空妄芥药了对总兎莪期驀理方讦玄芫覆車萄

7、止赢来驀慧务腹夏;己:忆矗扌dl.WhatcanwelearnabouttheresearchersatMIT?A.Theyarethepioneersofbrainresearch.B.Theyhaveusedthemethodinhumantrials*C.TheycancureAlzheimer^susingthenewmethod*D.TheycangetbackmemoriesinmicewithAlzheimers>解析：选D细节理解题。根据第二段的第一句“Now,researchersatMIThavedevelopedameansof

8、gettingbackmemoriesinmicesufferingfromAlzheimer"s•”可知，