2018届高考英语一轮复习unit5stressandmemory课下练重庆大学版选修7

2018届高考英语一轮复习unit5stressandmemory课下练重庆大学版选修7

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时间:2018-12-20

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1、Unit5StressandMemory[课下练熟高考]“阅读+七选五+完形”组合练——练题型(限时:35分钟)Ⅰ.阅读理解(2017·南宁市高中毕业班适应性测试)Likethebody'smuscles,bones,andothervitalorgans,thebrainfeelstheeffectofaging.Throughyearsofconstantuseandbiologicalwearandtear,thebraingraduallylosessomeofitssharpnessinproc

2、essinginformation.Aspeoplebegintoage,theymaybegintohaveproblemswithmemory.Oneofthemostnoticeableproblemareasinvolvesthetemporaryforgettingofnames.Actuallyeveryonehasthisprobleminolderage.Itisimportanttonotethatnormalagerelatedmemorylossdoesnotindicatelosi

3、ngintelligenceorabilitytolearn.Thebrainmaysimplyneedmoretimetorecallinformationfrommemoryortolearnnewinformation.Simpleforgetfulnessisnotadisease.Studiesonlearningandmemoryprovideanactiveareaofresearchformanyneuroscientists.Ingeneral,howthebrainselectsand

4、storesinformationfallsintothreecategories.Eachcategoryservesadistinctpurposeandisgenerallyindependentofintelligenceorlevelofeducation.Memorycategoriesinclude:Shortterm/Temporaryrecollection.Ifyouarecallingtheflorist(花商),youlookupthephonenumberandrememberi

5、tlongenoughtoplacethecall.Onceyouhavefinishedthecall,theinformationdisappears.Ifyouwereinterruptedbeforemakingthecall,youmaylosethismaterial.Longterm(recent).Thiscategorypreservestherecentpast,suchaswhatyouhadforbreakfasttoday,ortheoutfitthatyouworeafewda

6、ysago.Longterm(remote).Thisrecordsthedistantpast.Thesememories,learned10or20yearsago,formyourknowledgebase.Thiscategorycanincludeaconversationoratunefromyourhighschoolfightsong.Otherinformationinthismemorystoreshapesyourpersonalhistory,suchaswhatyouweredo

7、ingthedayPresidentJohnKennedywasassassinated(刺杀).Agingdoesnotgenerallyaffectshortorlongterm(remote)memory.Thesefunctionsarewellpreserved.However,longterm(recent)memoryoftendeclineswithage.Tostoreandregainrecentinformationfromlongterm(recent)memory,thebrai

8、nperformsacomplexchainofchemicalandelectricalfunctionsinvolvingnervecells.Asoneages,someofthesecellsmaydeteriorateandfunctionlessefficiently.语篇解读:本文是一篇说明文。随着年龄的增长,人们的记忆力也会逐渐衰退,但这并不意味着人们丧失了智力或学习能力。本文讲述了人的几种记忆,年龄增长只会影

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