2018届高考英语一轮复习 unit 5 stress and memory课下练 重庆大学版选修7

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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,thebraingraduallylosessomeofitssharpnessinprocessinginformation.Aspeoplebegintoage,theyma

2、ybegintohaveproblemswithmemory.Oneofthemostnoticeableproblemareasinvolvesthetemporaryforgettingofnames.Actuallyeveryonehasthisprobleminolderage.Itisimportanttonotethatnormalagerelatedmemorylossdoesnotindicatelosingintelligenceorabilitytolearn.Thebrainmaysimplyneedmoretimetorecallinformationfrommem

3、oryortolearnnewinformation.Simpleforgetfulnessisnotadisease.Studiesonlearningandmemoryprovideanactiveareaofresearchformanyneuroscientists.Ingeneral,howthebrainselectsandstoresinformationfallsintothreecategories.Eachcategoryservesadistinctpurposeandisgenerallyindependentofintelligenceorlevelofeduca

4、tion.Memorycategoriesinclude：Shortterm/Temporaryrecollection.Ifyouarecallingtheflorist(花商),youlookupthephonenumberandrememberitlongenoughtoplacethecall.Onceyouhavefinishedthecall,theinformationdisappears.Ifyouwereinterruptedbeforemakingthecall,youmaylosethismaterial.Longterm(recent)．Thiscategorypr

5、eservestherecentpast,suchaswhatyouhadforbreakfasttoday,ortheoutfitthatyouworeafewdaysago.Longterm(remote)．Thisrecordsthedistantpast.Thesememories,learned10or20yearsago,formyourknowledgebase.Thiscategorycanincludeaconversationoratunefromyourhighschoolfightsong.Otherinformationinthismemorystoreshape

6、syourpersonalhistory,suchaswhatyouweredoingthedayPresidentJohnKennedywasassassinated(刺杀)．Agingdoesnotgenerallyaffectshortorlongterm(remote)memory.Thesefunctionsarewellpreserved.However,longterm(recent)memoryoftendeclineswithage.Tostoreandregainrecentinformationfromlongterm(recent)memory,thebrainpe

7、rformsacomplexchainofchemicalandelectricalfunctionsinvolvingnervecells.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