2019-2020学年高一英语下学期期末考试试题 (IV)

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1、2019-2020学年高一英语下学期期末考试试题(IV)题号IIIIIIIVVVI总分得分A.introductionB.conclusionC.explanationD.summary23Whydidhisparentsfeelgreatlysurprisedwhenseeingthenewbaby？______A.Hewasseriouslyillatbirth．B.Hecameearlierthanexpected．C.Hewasbornwithoutarmsandlegs．D.Heresembledneitherhisfathern

2、orhismother．24WhatgaveNickthestrengthtosurvive？______A.Instructionsfromhisteachers．B.Kindhelpfromhisclassmates．C.fortfromhisparentsandfamily．D.Strongfaithinhisgreatambition．25TheauthordescribesNick'slifeinatoneof______．A.concernB.appreciationC.pityD.humor．CThereisanEnglish

3、sayingthatsays,"LetSleepingDogsLie."Itmeansnotbringingupanoldproblem.ResearchersinHungaryhavefoundanotherreasontoletdogskeeponsleeping.Itseemstheanimalsarelearningwhiletheysleep.   TheHungarianresearchersplacedtoolsonthedogsˈheadstoknowaboutelectricalactivityinthebrain.The

4、brainactivity,calledsleepspindles(梭状波),takesplaceinhumanbeings,andhasbeenconnectedwithlearning.Theresearchershopetounderstandhowthedogsˈabilitytolearnandrememberchangesastheygetolder.Thestudymayhelpthemunderstandhowhumanbrainschangeasweage.   Theresearchersfounddifferences

5、betweenmaleandfemaledogs.Iotchey,aresearcher,saysthefemalesappearedmuchbetteratlearningnewthings.Femaledogshaveabouttwiceasmanyspindlesperminuteasmaledogs,theyalsohappentobethebetterlearners,andtheymemorizethetaskmuchbetter.Butitwasharderforalltheolderdogstorememberthings,

6、especiallywhenseveralthingswerehappeningatthesametime.   DóraSzabóalsostudiessleepspindles.SzabóisaneuroscientistinauniversityinBudapest.Shesaystheolderdogshavefewerspindlesandareeasilycheated."Ifyoufirsthidetherewardintoonebowl,theninanotherandinanother,theygetlostafteraw

7、hile.Sotheirperformanceisgoingdown,andtheyaregettingpoorinsolvingnewproblems."   Researchershopethestudywillnotonlyhelpunderstandingoflearningabilityandmemorychangesindogs,butalsotheagingofhumans.SeniorResearcherEnikóKubinyiaddsthattheagingdogssufferfromthesameproblemsashu

8、manswhoareaging."Amongveryolddogs,upto twothirdsofthemshowsignsofdementia(痴呆),andthisdeme