2025年英語四六級考試語法填空專項訓練解題技巧詳解考試時間：______分鐘總分：______分姓名：______PartVGrammarFill-intheBlanksdirections:Thereare10blanksinthefollowingpassage.Foreachblank,therearefourchoicesmarkedA),B),C)andD).YoushouldchoosetheONEthatbestfitsintothepassage.ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Thehumanbrainisincrediblycomplex,constantlyprocessingvastamountsofinformationfromoursurroundings.(1)_______wesleep,however,afascinatingprocessoccursthathelpstoconsolidatememoriesandprepareusforthedayahead.Duringsleep,thebraindoesnotrestentirely;instead,itbecomesactivelyengagedinsortingthroughtheday'sexperiences.Onecrucialfunctionofsleepismemoryconsolidation.(2)_______neuronsindifferentpartsofthebraincommunicateandstrengthenconnections,formingnewmemoriesorreinforcingexistingones.Thisprocess,oftenreferredtoassynapticpruning,involvesthestrengtheningofimportantneuralpathwaysandtheeliminationoflessvitalones.Withoutadequatesleep,thisconsolidationprocessisimpaired,makingitdifficulttolearnandrememberinformationeffectively.Sleepalsoplaysavitalroleinemotionalregulation.(3)_______stresshormoneslikecortisoldecreaseduringsleep,allowingthebodyandmindtorecoverfromtheemotionalchallengesoftheday.REM(RapidEyeMovement)sleep,(4)_______occurswhenwedream,isparticularlyimportantforprocessingemotionsandmaintainingmentalhealth.ExperiencesthatcausestrongemotionalreactionsareoftenprocessedduringREMsleep,helpingtonormalizeemotionalresponsesandreducetheintensityoffearsoranxieties.Furthermore,sleepcontributestocognitivefunctionsbeyondmemoryandemotion.(5)_______thebrainhasachancetoclearoutmetabolicwasteproductsthataccumulateduringwakinghours.Thiscleansingprocess,knownastheglymphaticsystem,helpstoprotectagainstneurodegenerativediseasesandkeepsthebrainfunctioningoptimally.Propersleephygieneisessentialforharnessingthesebenefits.(6)_______individualsmaintainaconsistentsleepschedule,avoidstimulatingactivitiesbeforebedtime,andcreateacomfortablesleepenvironment,theycansignificantlyimprovetheirsleepquality.Theimpactofgoodsleepextendsfarbeyondfeelingrested;itisfundamentaltooverallphysicalandmentalwell-being.Researchcontinuestorevealtheintricateconnectionsbetweensleepandvariousaspectsofhealth.(7)_______linksbetweenpoorsleepandanincreasedriskofchronicconditionssuchasheartdisease,diabetes,andobesityarewell-documented.(8)_______sleepdeprivationcanaffectnotonlyphysicalhealthbutalsosocialinteractionsandprofessionalperformance,highlightingitsimportanceinmaintainingabalancedlife.Understandingtheroleofsleepiscrucialforindividualsseekingtooptimizetheirhealthandcognitiveabilities.(9)_______werecognizethesignificanceofsleep,wecanmakeinformedchoicestoprioritizeit,leadingtoahealthier,moreproductivelife.(10)_______itsbenefitsarenumerous,sleepremainsoneofthemostpowerfultoolsavailableforsupportingoverallhealthandwell-being.A)AsB)HoweverC)ThusD)When試卷答案1.D)When2.A)As3.C)Thus4.D)When5.B)Thus6.A)As7.D)When8.C)Thus9.B)Thus10.A)As解析1.Whenwesleep,however,afascinatingprocessoccurs...分析：空格前是“wesleep”，表示一個時間狀語從句，應用“when”引導。however是插入語，不影響從句引導詞的選擇。2.Asneuronsindifferentpartsofthebraincommunicateandstrengthenconnections,formingnewmemoriesorreinforcingexistingones.分析：空格處引導一個時間狀語從句，描述神經(jīng)元活動發(fā)生的過程，與主句動作同時進行，應用“as”引導。3.Thusstresshormoneslikecortisoldecreaseduringsleep,allowingthebodyandmindtorecoverfromtheemotionalchallengesoftheday.分析：空格后說明壓力荷爾蒙下降的結(jié)果，應用“thus”引導結(jié)果狀語從句。4.Whenoccursisparticularlyimportantforprocessingemotionsandmaintainingmentalhealth.分析：空格處引導一個時間狀語從句，修飾“REMsleep”，說明REM睡眠發(fā)生時的情況，應用“when”引導。5.Thusthebrainhasachancetoclearoutmetabolicwasteproductsthataccumulateduringwakinghours.分析：空格后說明大腦清理代謝廢物的結(jié)果，應用“thus”引導結(jié)果狀語從句。6.Asindividualsmaintainaconsistentsleepschedule,avoidstimulatingactivitiesbeforebedtime,andcreateacomfortablesleepenvironment,theycansignificantlyimprovetheirsleepquality.分析：空格處引導一個原因狀語從句，說明保持睡眠習慣的原因，應用“as”引導。7.Whenlinksbetweenpoorsleepandanincreasedriskofchronicconditionssuchasheartdisease,diabetes,andobesityarewell-documented.分析：空格處引導一個時間狀語從句，說明研究發(fā)現(xiàn)的狀況，應用“when”引導。8.Thussleepdeprivationcanaffectnotonlyphysicalhealthbutalsosocialinteractionsandprofessionalperformance,highlightingitsimportanceinmaintainingabalancedlife.分析：空格后說明睡眠剝奪的影響，應用“thus”引導結(jié)果狀語從句。9.Thuswerecognizethesignificanceofsleep,wecanmakeinformedchoicestoprioritize