2026年秋新教材人教版九年级上册英语Unit4单元测试卷（含答案解析）

第第页2026年秋新教材人教版九年级上册英语Unit4单元测试卷（满分：100分，时间：90分钟）一、单项选择。(本大题共15小题，每小题1分，共15分)从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。1.Ihave______thenumber,soIneedtolookitupinthephonebookagain.A.recalledB.forgottenC.recognizedD.boosted2.Theoldphotomademe______myhappychildhoodwithmygrandparents.A.runoutofB.puttogooduseC.reacttoD.recall3.Don’t______thetwodatesfortheexam,oryouwillmisstheimportantone.A.mixupB.divideintoC.keepinmindD.recognize4.Youshould______whatyouhavelearnedtoday______beforegoingtobed.A.put;togooduseB.keep;inmindC.react;toD.boost;up5.Theteacher______theclass______fourgroupstodiscussthememorytechniques.A.ran;outofB.divided;intoC.mixed;upD.recalled;to6.Drinkingenoughwatercan______yourbrainpowerandhelpyouthinkclearly.A.boostB.recognizeC.memorizeD.forget7.Thepatient’sconditionis______,andthedoctorispleasedwithhisrecovery.A.likelyB.effectiveC.stableD.grown-up8.Itisdifficultformeto______allthehistoricaleventsinsuchashorttime.A.recallB.memorizeC.reactD.divide9.Mylittlesisterisvery______andcantakecareofherselfwhenparentsareout.A.stableB.likelyC.grown-upD.effective10.Ididn't______himatfirstbecausehehaschangedalotinthepastfiveyears.A.recallB.memorizeC.recognizeD.boost11.Althoughheisyoung,hehasa______memoryfornumbersanddates.A.mixed-upB.photographicC.run-outD.forgotten12.Weshould______theteacher’sadvice______toimproveourstudyhabits.A.keep;inmindB.put;togooduseC.react;toD.divide;into13.Thenewappishighly______inhelpingstudentsrememberEnglishwords.A.grown-upB.effectiveC.likelyD.stable14.Hetriedto______thepoem,buthecouldonlyrememberthefirsttwolines.A.recognizeB.boostC.reciteD.mixup15.Afteragoodnight’ssleep,Icould______understandthecomplexmathproblem.A.likelyB.fullyC.stableD.effective二、完形填空。(本大题共10小题，每小题1分，共10分)通读下面短文，掌握其大意，然后在各题所给的四个选项（A、B、C和D）中选出一个最佳选项。Memoryisawonderfulthing.Itcanbringushappiness,butsometimesitcanalsocausetrouble.IhadafunnyexperiencelastmonththatIwillneverforget.Iwenttothesupermarkettobuysomegroceries.Beforeleavinghome,mywifetoldmetobuyabottleofcookingoilandaloafofbread.Irepeatedtheitemstomyselfseveraltimesto___16___theminmind.“Oilandbread,oilandbread,”Iwhispered.WhenIarrivedatthesupermarket,itwasverycrowded.Itookabasketandwalkedaround.Isawthemilksectionandthought,“ShouldIbuymilk?”ThenIsawthefruitandthoughtaboutapples.Iwasso___17___byallthechoicesthatIforgotmyoriginallist.Suddenly,Ihadaflashofmemory.“Ineedtobuyoil!”Isaidtomyself.SoIfoundthecookingoilandputitinmybasket.Butwhatwastheotherthing?Istoodinthemiddleoftheaisle,tryinghardto___18___it.Wasitrice?Wasitsugar?Ijustcouldn't___19___whatitwas.Justthen,myphonerang.Itwasmywife.“Haveyouboughttheoilandthebread?”sheasked.“Ihavetheoil,”Ireplied,“butI’ve___20___whattheotherthingis.”Shelaughedandsaid,“It’sbread!Youremembereditwhenyoulefthome,butnowyou’ve___21___it.”Ifeltabitembarrassed,butIlaughedtoo.Iwenttothebakerysectionandpickedupthebread.Onmywayhome,Ithoughtabouthowourmemoryworks.Werememberthingswe___22___on,butwecaneasilyforgetthingsifwedon'tpayenoughattention.Thisexperiencetaughtmealesson.Now,Ialwayswritedownimportantthingsona___23___orsetareminderonmyphone.Ithelpsmeavoid___24___thingsupandsavesmefromtrouble.Goodmemoryisimportant,butusingtoolstohelpusrememberiseven___25___.16.A.keepB.putC.reactD.divide17.A.boredB.confusedC.excitedD.moved18.A.recallB.recognizeC.boostD.mix19.A.rememberB.forgetC.recallD.recognize20.A.rememberedB.forgottenC.recalledD.recognized21.A.keptB.mixedC.forgottenD.divided22.A.focusB.dependC.insistD.count23.A.notebookB.calendarC.diaryD.magazine24.A.mixingB.dividingC.puttingD.running25.A.worseB.betterC.harderD.simpler三、阅读理解。(本大题共15小题，每小题2分，共30分)阅读下列材料，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。AMemoryTipsfromExpertsDoyoufindithardtoremembernames,dates,orfactsforyourexams?Youarenotalone.Manystudentsstrugglewithmemory.Herearesometipsfrommemoryexpertstohelpyouimprove:Tip1:ThePowerofRepetitionDon’tjustreadyournotesonce.Repeattheinformationseveraltimes.Readitaloud,writeitdown,andthenexplainittosomeoneelse.Thisstrengthenstheconnectionsinyourbrain.Tip2:Createa“MemoryPalace”Thisancienttechniqueinvolvesimaginingafamiliarplace,likeyourhouse.Then,youplacetheitemsyouwanttorememberindifferentrooms.Whenyouneedtorecallthem,mentallywalkthroughyourhouseand“see”theitems.Tip3:UseChunkingBreakdownlargeamountsofinformationintosmaller,manageable“chunks.”Forexample,insteadoftryingtoremembera10-digitphonenumberassingledigits,groupthemintochunks(e.g.,123-456-7890).Tip4:GetEnoughSleepSleepiscrucialformemoryconsolidation.Whenyousleep,yourbrainprocessesandstorestheinformationyoulearnedduringtheday.Pullinganall-nighterbeforeanexamcanactuallyharmyourmemory.Tip5:StayActiveandEatWellRegularexerciseincreasesbloodflowtothebrain,whichhelpsmemory.Foodsrichinomega-3fattyacids,likefish,arealsoknowntoboostbrainhealth.26.WhatisthemainpurposeofTip2?A.Toexplainhowtousearealpalaceforstudy.B.Tosuggestamethodfororganizingphysicalspaces.C.Tointroduceatechniqueforrememberingitemsbyvisualization.D.Toencouragestudentstowalkmoreintheirhouses.27.Accordingtothepassage,whyissleepimportantformemory?A.Ithelpsusstayawakeduringexams.B.Itallowsthebraintoprocessandstoreinformation.C.Itincreasesourbloodpressure.D.Itpreventsusfromeatingtoomuch.28.Whichtipsuggestsbreakinginformationintosmallerparts?A.Tip1B.Tip2C.Tip3D.Tip429.Whereisthispassagemostlikelyfrom?A.Asciencefictionnovel.B.Astudentstudyguide.C.Acookbook.D.Atravelbrochure.BTheForgettingCurveHaveyoueverstudiedhardforatest,onlytoforgetmostoftheinformationaweeklater?Thisphenomenonisdescribedbythe"ForgettingCurve,"atheoryproposedbyGermanpsychologistHermannEbbinghausin1885.Ebbinghausconductedexperimentsonhimselfusingnonsensesyllables(like"ZOC"or"QAX").Hewouldmemorizelistsofthesesyllablesandthentesthowmuchherememberedafterdifferenttimeintervals.Hediscoveredthatforgettinghappensquicklyatfirst.Withoutanyreview,apersonmightforgetover50%ofnewlylearnedinformationwithinanhour,andupto70%within24hours.However,therateofforgettingslowsdownovertime.ThegoodnewsisthatEbbinghausalsofoundthatreviewcansignificantlyflattenthecurve.Ifyoureviewthematerialshortlyafterlearningit—say,within20minutes,thenagainafteraday,andthenafteraweek—youcanretainmuchmoreinformation.Thisisknownas"spacedrepetition."Modernlearningappsoftenusethisprinciple.Theyschedulereviewsatincreasingintervalstohelpusersmoveinformationfromtheirshort-termmemorytotheirlong-termmemory.UnderstandingtheForgettingCurvecanhelpstudentsstudysmarter,notharder.Insteadofcramming(突击学习)allatonce,spacingoutstudysessionsandreviewingregularlyleadstobetterlong-termretention.So,thenexttimeyoulearnsomethingnew,don'twaituntilthenightbeforethetesttoreview.Startearly,reviewoften,andbeattheForgettingCurve!30.Whoproposedthe"ForgettingCurve"theory?A.Amodernappdeveloper.B.AGermanpsychologist.C.Asciencefictionwriter.D.Ahighschoolteacher.31.AccordingtoEbbinghaus'sexperiment,howmuchinformationmightapersonforgetwithin24hourswithoutreview?A.About20%.B.About50%.C.Upto70%.D.Almost100%.32.Whatis"spacedrepetition"?A.Reviewingmaterialmanytimesinonesitting.B.Crammingallinformationthenightbeforeatest.C.Reviewingmaterialatincreasingintervalsovertime.D.Forgettinginformationquicklyandthenrelearningit.33.Whatisthemainmessageofthepassage?A.Forgetfulnessisasignofabadstudent.B.Crammingisthemosteffectivewaytostudy.C.RegularreviewhelpscombattheForgettingCurve.D.TheForgettingCurveonlyappliestononsensesyllables.CMemoryAthletesWhenyouthinkofathletes,youprobablypicturerunners,swimmers,orbasketballplayers.Butthereisanothertypeofathlete:thememoryathlete.Theseindividualscompeteinmemorychampionships,performingincrediblefeatslikememorizingtheorderofashuffleddeckofcardsinunder20seconds,orrecallingthousandsofrandomdigits.Howdotheydoit?Dotheyhave"photographicmemories"?Mostmemorychampionssaytheydon't.Instead,theyuseavarietyofmnemonicdevices(记忆术)—techniquesthathelpimprovememory.Onepopulartechniqueisthe"MethodofLoci,"whichissimilartothe"MemoryPalace"mentionedearlier.Theyalsouseassociations,linkingnewinformationtofamiliarthings,andchunking.Interestingly,researchshowsthatmemoryathletesarenotbornwithextraordinarybrains.Theirbrainsarestructurallysimilartothoseofaveragepeople.Thedifferenceliesintheirintensivetrainingandthestrategiestheyemploy.Anyonecanlearnthesetechniquesandimprovetheirmemorysignificantly.However,memoryathletesalsocautionthatthesetechniquesrequirealotofpracticeandmentaleffort.Theyaretools,notmagic.Andwhiletheyaregreatforcompetitions,themostimportantthingforeverydaylifeistostaycuriousandengaged.Ahealthylifestyle,includinggoodsleep,exercise,andabalanceddiet,remainsthefoundationforagoodmemory.So,whileyoumightnotaimtobecomeamemorychampion,exploringsomeoftheirtechniquescouldhelpyouaceyournextexamorsimplyrememberwhereyouleftyourkeys!34.Whatisacommonmisunderstandingaboutmemoryathletes?A.Theyareveryphysicallyfit.B.Theyhavephotographicmemories.C.Theytrainveryhard.D.Theyusemnemonicdevices.35.Accordingtothepassage,whatisthe"MethodofLoci"?A.Awaytoshufflecardsquickly.B.Atechniquesimilartothe"MemoryPalace."C.Amethodforrecallingrandomdigits.D.Atypeofphysicalexerciseforthebrain.36.Whatdoesresearchsuggestaboutthebrainsofmemoryathletes?A.Theyarecompletelydifferentfromaveragebrains.B.Theyarestructurallysimilartoaveragebrains.C.Theyarebornwithspecialmemorycenters.D.Theyshrinkafterintensetraining.37.Whatistheauthor'sattitudetowardsusingmemorytechniquesindailylife?A.Stronglyagainstit.B.Neutral,neithersupportingnoropposing.C.Supportive,butemphasizestheimportanceofahealthylifestyle.D.Believestheyareonlyusefulforcompetitions.DTheImpactofTechnologyonMemoryInthedigitalage,wehaveunprecedentedaccesstoinformation.Withafewtapsonoursmartphones,wecanfindtheanswertoalmostanyquestion.Butthisconveniencecomesatacost:someresearchersarguethatourrelianceontechnologyisaffectingourabilitytoremember.Thisphenomenonissometimescalledthe"Googleeffect."Studieshaveshownthatwhenpeopleknowtheycaneasilylookupinformationlater,theyarelesslikelytomakeanefforttorememberit.Instead,theytendtorememberwheretofindtheinformation(e.g.,whichwebsiteorfolder)ratherthantheinformationitself.Thisisknownas"transactivememory"—relyingonexternalsourcesasextensionsofourownmemory.Whilesomeworrythatthismakesus"lazythinkers,"othersargueit'sanaturaladaptation.Justaswedon'tneedtorememberphonenumbersanymorebecausewehavecontactslists,wedon'tneedtoremembereveryfactbecausewehavetheinternet.Thisfreesupourbrainstofocusonmorecomplextasks,likecriticalthinkingandcreativity.However,therearedownsides.Over-relianceonGPS,forexample,canweakenourspatialmemory—ourabilitytonavigatewithoutassistance.Constantnotificationsfromourdevicescanalsofragmentourattention,makingithardertoformsolidmemoriesinthefirstplace.Thekeyisbalance.Technologycanbeapowerfultooltoaugmentourmemory,butitshouldn'treplacethecognitiveeffortneededtoencodeandretrieveinformation.Weshouldusetechnologywisely,leveragingittostoreinformationwhilestillexercisingourownmemorymusclesthroughlearningandpractice.38.Whatisthe"Googleeffect"?A.ThetendencytouseGoogleforeverything.B.TheimpactofGoogleonthestockmarket.C.Thereducedefforttorememberinformationthatcanbeeasilylookedup.D.Theimprovementinmemoryduetousingsearchengines.39.Whatis"transactivememory"asdescribedinthepassage?A.Sharingmemorieswithotherpeople.B.Relyingonexternalsourcesasextensionsofourownmemory.C.Atypeofmemorylosscausedbytechnology.D.AnewfeatureinGoogle'ssearchengine.40.Accordingtothepassage,whatisapotentialdownsideofover-relianceonGPS?A.Itcandrainthecar'sbatteryquickly.B.Itcanweakenourspatialmemory.C.Itcanmakeustoodependentonsatellites.D.Itcancauseustogetlostmoreoften.四、根据句意及中文提示写出单词，使句子完整正确。(本大题共10小题，每小题1分，共10分)根据中文提示或首字母提示，填写正确的单词，每空一词。41.Agoodnight'ssleepis__________(有益的)foryourmemory.42.Youneedto__________(复习)thekeypointsbeforethefinalexam.43.Eatingtoomuchjunkfoodis__________(有害的)toyourbrainhealth.44.The__________(平均的)personforgetsabout50%ofnewinformationwithinanhour.45.The__________(能力)tofocusiscrucialforformingstrongmemories.46.Shehasap__________memoryandcanremembereverydetailofthestory.47.Don'tbec__________byappearances;truememoryisaboutdepth,notspeed.48.Hetriedtor__________thepoem,buthecouldonlyrememberafewlines.49.Them__________oftheinformationisstoredinourlong-termmemory.50.Abalancedd__________providesthenutrientsyourbrainneedstofunctionwell.五、语法填空。(本大题共10小题，每小题1分，共10分)阅读下列材料，在空白处填入适当的内容（每空一词）或括号内单词的适当形式。AMemoryislikeamuscle—themoreyouuseit,the51_______(strong)itbecomes.Scientistsbelievethatanyonecanimprovetheirmemorywithpropertraining.Oneeffectivemethod52_______(be)spacedrepetition.Thisinvolvesreviewinginformationatincreasingintervals.Forexample,youmightreviewnewvocabulary53_______(short)afterlearningit,thenagainadaylater,andthenaweeklater.Thishelpsmoveinformationfromyourshort-termmemorytoyourlong-termmemory.Anothertipistousemnemonics.Thesearememoryaids54_______helpyouassociatenewinformationwithsomethingyoualreadyknow.Forinstance,torememberashoppinglist,youmightcreateafunnystory55_______(connect)alltheitems.Also,gettingenoughsleepisvitalbecauseitisduringsleep56_______yourbrainconsolidatesmemories.Avoidcramming,asitis57_______(effective)thanregularreview.Instead,trytostudyalittleeveryday.Yourbrainwillthankyouforit!BIusedtohaveapoormemory.I58_______(constant)forgotwhereIputmykeysorwhatmyhomeworkwas.Itwasfrustrating.Then,myteacherintroducedmetosomememorytechniques.Shesuggested59_______(write)downimportantthingsinanotebook.Shealsotaughtushowtousethe"MemoryPalace"technique.Atfirst,itseemeddifficult,butIpracticedeveryday.Now,Icanremembermuch60_______(much)thanbefore.Ievenwonsecondplaceinaschoolmemorycontest!I'velearnedthatwiththerightstrategiesandconsistenteffort,anyonecansharpentheirmemory.六、任务型阅读（共5小题，每小题2分，满分10分）阅读下面短文，根据要求完成各小题。HowtoImproveYourMemoryNaturallyManypeopleworryabouttheirmemoryastheyage,butmemorydeclineisnotinevitable.Thereareseveralnaturalwaystoboostyourbrainpowerandkeepyourmemorysharp.First,stayphysicallyactive.Exerciseincreasesbloodflowtothewholebody,includingthebrain.Thiscanhelpkeepyourmemorysharp.Aimforatleast150minutesofmoderateaerobicactivity,likebriskwalking,everyweek.Second,eatabrain-healthydiet.Thisincludesfruits,vegetables,wholegrains,andleanproteins.Foodsrichinomega-3fattyacids,suchassalmonandwalnuts,areparticularlygoodforbrainhealth.Limitsugarandsaturatedfats.Third,getenoughqualitysleep.Sleepplaysacrucialroleinmemoryconsolidation.Mostadultsneed7-9hoursofsleeppernight.Trytomaintainaregularsleepschedule.Fourth,managestress.Chronicstresscandamagebraincellsandaffectmemory.Practicerelaxationtechniqueslikemeditationordeepbreathing.Finally,staysociallyandmentallyactive.Engageinactivitiesthatchallengeyourbrain,suchaspuzzles,learninganewskill,orreading.Socialinteractionalsohelpswardoffdepressionandstress,whichcancontributetomemoryloss.Byincorporatingthesehabitsintoyourdailyroutine,youcansupportyourmemoryandoverallbrainhealth.注：每题答案不超过5个词。61.Howmuchmoderateaerobicactivityisrecommendedweekly?62.Whatkindoffoodsareparticularlygoodforbrainhealth?(Nameone)63.Howmanyhoursofsleepdomostadultsneedpernight?64.Whatcanchronicstressdotobraincellsaccordingtothepassage?65.Whatisthemaintopicofthepassage?七、书面表达。(共15分)66.良好的记忆力对学习至关重要。请你以"TheImportanceofaGoodMemory"为题，写一篇英语短文，谈谈你对记忆力重要性的理解，并分享至少两条提升记忆力的有效方法。内容包括：1.记忆力在学习中的重要性（如：帮助掌握知识、提高效率等）；2.提升记忆力的具体方法（至少两条，如：及时复习、联想记忆、健康生活等）；3.你的期望或感悟。要求：1.词数100左右；2.条理清晰，语句通顺，书写规范；3.文中不得出现真实姓名、校名和地名。TheImportanceofaGoodMemory________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________参考答案及详细解析一、单项选择1.答案：B详细解析：本题考查动词词义辨析。forget意为“忘记”；recall意为“回想起”；recognize意为“认出”；boost意为“促进”。句意：我已经忘记了号码，所以需要再查电话簿。根据“needtolookitupagain”可知是忘记了。故选B。2.答案：D详细解析：本题考查动词词义辨析。recall意为“回想起，回忆起”；runoutof意为“用完”；puttogooduse意为“好好利用”；reactto意为“对……作出反应”。句意：这张老照片让我想起了和祖父母一起度过的快乐童年。recallmemories是固定搭配。故选D。3.答案：A详细解析：本题考查动词短语辨析。mixup意为“混淆，弄乱”；divideinto意为“把……分成”；keepinmind意为“记住”；recognize意为“认出”。句意：别把两个考试日期搞混了，否则你会错过重要的那一个。根据“misstheimportantone”可知是混淆了。故选A。4.答案：B详细解析：本题考查动词短语辨析。keep...inmind意为“记住……”；put...togooduse意为“好好利用……”；reactto意为“对……作出反应”；boostup意为“提升……”。句意：睡前你应该把今天学到的知识记在脑子里。根据语境，睡前记忆是为了巩固。故选B。5.答案：B详细解析：本题考查动词短语辨析。o...意为“把……分成……”；runoutof意为“用完”；mixup意为“混淆”；recall意为“回想起”。句意：老师把全班分成四组讨论记忆技巧。o...符合语境。故选B。6.答案：A详细解析：本题考查动词词义辨析。boost意为“促进，提升”；recognize意为“认出”；memorize意为“记忆”；forget意为“忘记”。句意：喝足够的水能提升你的脑力，帮助你清晰地思考。boostbrainpower是常用搭配。故选A。7.答案：C详细解析：本题考查形容词词义辨析。stable意为“稳定的”；likely意为“可能的”；effective意为“有效的”；grown-up意为“成年的”。句意：病人的病情稳定，医生对他的康复感到满意。stablecondition是医疗常用语。故选C。8.答案：B详细解析：本题考查动词词义辨析。memorize意为“记忆，背诵”；recall意为“回想起”；react意为“反应”；divide意为“划分”。句意：在这么短的时间内记住所有的历史事件对我来说很难。memorize强调有意识地去记。故选B。9.答案：C详细解析：本题考查形容词词义辨析。grown-up意为“成熟的，成人的”；stable意为“稳定的”；likely意为“可能的”；effective意为“有效的”。句意：我的妹妹很成熟，父母不在家时能照顾好自己。grown-up形容孩子懂事、成熟。故选C。10.答案：C详细解析：本题考查动词词义辨析。recognize意为“认出”，强调辨认出曾经见过的人或物；recall意为“回想起”；memorize意为“记忆”；boost意为“促进”。句意：一开始我没认出他，因为这五年他变化很大。recognize强调识别。故选C。11.答案：B详细解析：本题考查形容词词义辨析。photographic意为“摄影般的”，photographicmemory意为“过目不忘的记忆力”，是固定搭配；mixed-up意为“混乱的”；run-out意为“耗尽的”；forgotten意为“被遗忘的”。句意：虽然年轻，他对数字和日期有着过目不忘的记忆力。故选B。12.答案：A详细解析：本题考查动词短语辨析。keep...inmind意为“记住……”；put...togooduse意为“好好利用……”；reactto意为“对……作出反应”；o意为“把……分成”。句意：我们应该牢记老师的建议，以改善我们的学习习惯。故选A。13.答案：B详细解析：本题考查形容词词义辨析。effective意为“有效的”；grown-up意为“成年的”；likely意为“可能的”；stable意为“稳定的”。句意：这款新应用在帮助学生记英语单词方面非常有效。effectiveindoingsth是固定搭配。故选B。14.答案：C详细解析：本题考查动词词义辨析。recite意为“背诵”；recognize意为“认出”；boost意为“促进”；mixup意为“混淆”。句意：他试图背诵这首诗，但只记得前两行。reciteapoem意为“背诗”。故选C。15.答案：B详细解析：本题考查副词词义辨析。fully意为“充分地，完全地”；likely意为“可能地”；stable意为“稳定地”；effective意为“有效地”。句意：经过一夜好眠，我能完全理解这道复杂的数学题了。fullyunderstand意为“完全理解”。故选B。二、完形填空【导语】本文是一篇记叙文，讲述了作者去超市购物时忘记购买面包的有趣经历，说明了记忆的特点以及如何辅助记忆。16.答案：A解析：考查动词短语。keep...inmind意为“记住……”，符合句意“我把物品重复了几遍来记住它们”。puttogooduse（好好利用）、reactto（对……反应）、divideinto（把……分成）均不符合。17.答案：B解析：考查形容词辨析。confused意为“困惑的”，因为超市商品太多，选择太多，所以感到困惑。bored（无聊的）、excited（兴奋的）、moved（感动的）不符合语境。18.答案：A解析：考查动词辨析。recall意为“回想起”，指努力回想另一件物品是什么。recognize（认出）、boost（促进）、mix（混淆）不符合。19.答案：A解析：考查动词辨析。remember意为“记得”，指想不起来是什么了。forget（忘记）与句意相反；recall（回想）虽意思相近，但此处更侧重“记得”这个状态；recognize（认出）不合适。20.答案：B解析：考查动词辨析。forgotten意为“忘记”，妻子问买了油和面包没，作者说油买了，但忘了另一个。remembered（记得）、recalled（回想起）、recognized（认出）与句意相反。21.答案：C解析：考查动词辨析。forgotten意为“忘记”，妻子说作者离开家时还记得，但现在忘了。kept（保持）、mixed（混淆）、divided（划分）不符合。22.答案：A解析：考查动词短语。focuson意为“专注于”，指我们记住专注的事情。dependon（依赖）、insiston（坚持）、counton（指望）不符合语境。23.答案：A解析：考查名词辨析。notebook意为“笔记本”，根据前文“writedownimportantthings”可知是用笔记本记下来。calendar（日历）、diary（日记）、magazine（杂志）不符合。24.答案：A解析：考查动词短语。mixingupthings意为“把事情搞混”，记笔记能帮助避免混淆事情。dividingup（分配）、puttingup（张贴）、runningup（积欠）不符合。25.答案：B解析：考查形容词辨析。better意为“更好的”，使用工具辅助记忆比单纯依靠记忆力更好。worse（更糟）、harder（更难）、simpler（更简单）不符合逻辑。三、阅读理解A篇（说明文）26.答案：C解析：细节理解题。根据Tip2描述“imaginingafamiliarplace...placetheitems...mentallywalkthroughyourhouse”可知，这是一种通过视觉化来记忆物品的方法。故选C。27.答案：B解析：细节理解题。根据Tip4描述“Whenyousleep,yourbrainprocessesandstorestheinformation”可知，睡眠时大脑处理和存储信息。故选B。28.答案：C解析：细节理解题。根据Tip3标题“UseChunking”及描述“Breakdownlargeamountsofinformationintosmaller...chunks”可知，分块法是将信息分解成小部分。故选C。29.答案：B解析：推理判断题。文章介绍了提高记忆力的技巧，目标读者是学生，最可能出自学生学习指南。故选B。B篇（说明文）30.答案：B解析：细节理解题。根据第一段“the'ForgettingCurve,'atheoryproposedbyGermanpsychologistHermannEbbinghaus”可知，提出者是德国心理学家。故选B。31.答案：C解析：细节理解题。根据第二段“upto70%within24hours”可知，24小时内可能忘记高达70%。故选C。32.答案：C解析：细节理解题。根据第三段“reviewthematerialshortlyafterlearningit...atincreasingintervals”可知，间隔重复是在逐渐增加的时间间隔后复习材料。故选C。33.答案：C解析：主旨大意题。文章主要介绍了遗忘曲线及通过定期复习来对抗遗忘，提高记忆保持率。故选C。C篇（说明文）34.答案：B解析：细节理解题。根据第二段“Dotheyhave'photographicmemories'?Mostmemorychampionssaytheydon't.”可知，人们常误以为记忆运动员有照相式记忆。故选B。35.答案：B解析：细节理解题。根据第二段“Onepopulartechni