中考英语专题复习专题十八阅读理解第8讲阅读理解CD篇

)facts.Thequickerkidscanrecallbasicmathfacts,theeasieritisforthemtosolvemoredifficultmathproblems. TheStanfordUniversityresearchersobserved(视察)thebrainactivityof28students,ages7to9,forthestudy.Theytookscansofthestudents’brainsasthestudentssolvedmathcalculationswithoutthehelpofacalculator,penorpaper.Acalculation—threeplusfourequalsseven,forexample—flashedonascreen.Thestudentspushedabuttontosayiftheanswerwasrightorwrong.Thescientistsalsorecordedtheresponsespeed,andwhatpartsofthebrainbecameactiveasthekidspushedthebutton. Theseobservationsshowedaprocesscalledfactretrieval.Ratherthanusingtheirfingerstocount,orscrawlingoutequations(列算式)onapieceofpaper,thestudentspulledtheanswersfrommemory.It’sasiftheanswerstobasicsubtraction,addition,andmultiplicationproblemsarekeptinalong-termstoragepartinthebrain.Thestoragepartwasbuiltfromrepetition.“Experiencereallydoesmatter,”saidDr.KathyMannKoepekeoftheNationalInstitutesofHealth. Childrenmakethechangefromcountingtofactretrievalwhentheyare8to9yearsold,thestudysays.Thisisthetimewhenmoststudentsarelearningbasicadditionandsubtraction.Whenkidshavebasicmathfactsmemorized,thebrainhasmorefreespacetolearnmoredifficultmath. Thisprocesshasbenefitsforthefuture.Thestudyshowed,askidsgotolder,theiranswersreliedmoreonmemoryandbecamequickerandmorecorrect.Lessbrainactivitywasinvolvedincounting.Somechildrenmakethischangequickerthanothers. Scientistshopetousethisresearchtodevelopnewstrategies(策略)tohelpkidslearnmathatalllevels.Onestrategythestudysuggestsisforstudentstotestthemselvesindifferentorders—solvingfivetimesthreebeforefivetimestwo,forexample.Mixinguptheorderkeepsthebrainactive.Keepthesetrainingsup,andyoumaybeamathwhizinnotime.1.Inthestudy,kidsputawaycalculatorsbecausetheycan______.（细微环节理解题）A.usecalculatorswell B.scrawloutequationsC.recallbasicmathfacts D.countontheirfingers2.Theprocessof“factretrieval”inParagraph4probablymeans______.（词义揣测题）A.pickingoutresultsbyworkingtogetherwiththeirpartners.B.tryingoutwaysofdealingwithproblemsbyattendingtraining.C.findingoutanswersbasedonpracticingcarefullyandpatiently.D.workingoutproblemsaccordingtowhattheyhaveremembered.3.Whatcanweknowfromthestudy?（推理推断题）A.kidsneedtopracticeusingcalculatorstokeeptheirbrainsactive.B.Mathlearnersshouldchangetocountingpracticeattheageof8to9.C.Trainingbymixinguptheorderofmultiplicationtablescanhelplearnmathbetter.D.lessbrainactivitymaybeinvolvedinsolvingdifficultproblemswhenkidsgetolder.4.Whatisthebesttitleofthepassage?（主旨大意题）A.MathfromMemory. B.StrategyDevelopment.C.BrainReorganization. D.TrainingbyRepetition.参考答案基础过关一、词汇/短语英汉互译单词/短语词性词义rapidnessn.快，快速providev.供应，供应factn.事实，实情websiten.网站collectionn.收集remainv.保持，依旧producev.产生，生产taskn.任务，工作responsibilityn.责任，职责expensiveadj.昂贵的makesureof确定，确保lookthrough细致检查includev.包括，包含changev.变更recordv.记录，记载二、句子英汉互译。1.They’vemoreorlessfinishedtheirhomework.2.Whe