2020版高考英语一轮复习Book7Unit21HumanBiology教案（含解析）北师大版.docx

Unit 21 Human Biology基础知识默写(学生用书321324页)默写(一)1.pumpvi.用泵抽出(注入) n.泵，抽水机2.abusevt.&n.滥用3.toleratevt.容忍tolerantadj.宽容的，容忍的tolerancen.宽容；容忍4.doubtfuladj.怀疑的，不肯定的doubtn.&v.怀疑，不相信5.seekvt.寻找6.annualadj.每年的，一年一次的，年度的annuallyadv.一年一度地7.treatvt.款待treatmentn.治疗；处理；对待8.trialn.实验tryv.试图，试验n.尝试9.circulatevi.循环circulationn.循环10.digestvt.消化digestionn.消化11.swapvi.交换12.fundamentaladj.根本的；基础的fundamentallyadv.根本上；基础上13.compulsoryadj.强制性的；义务的14.controversialadj.有争议的15.opposevt.反对oppositeadj.相反的；对面的n.反义词opposedadj.相反的，对立的oppositionn.反方；对立面16.contradictvt.与(其他事物)相矛盾contradictionn.矛盾的说法；反驳contradictoryadj.相矛盾的17.concernn.担心；担忧concernedadj.担心的；有关的concerningprep.关于18.privilegedadj.荣幸的privilegen.特权；优待19.entryn.进入；入学enterv.进入20.catervi.满足；迎合21.invain徒劳地，白费力气22.atrandom随便地，随意地；随机地23.atallcosts不惜一切代价，无论如何24.beresponsiblefor对负责25.caterto/for满足；迎合26.putoff推迟27.getdownto(doing)sth. 开始(做)某事28.Unfortunately，itisnoteasytocatchathletesusingillegaldrugs.不幸的是，要当场查出运动员使用违禁药物并不是很容易。29.Itiscompulsoryforwinnerstobetestedbutotherparticipantsareonlytestedatrandom.获胜者要被强制性地进行检查，而其他参与者只是随机地检查。30.Inthefuture，athleteswhohavetheirgeneschangedmightbeabletodothe100metresdashinjust8secondsorthemarathoninlessthantwohours.在将来，那些经过基因改变的运动员有可能在8秒内跑完100米或在两小时之内跑完马拉松。默写(二)1.postponevt.推迟，延期2.prohibitvt.禁止prohibitionn.禁止；禁令3.foreseevt.预见4.faithn.信心faithfuladj.忠实的，忠诚的faithfullyadv.忠实地，忠诚地5.weeklyadj.每周一次的weekn.周，星期6.equipvt.使有准备equipmentn.装备；设备7.fortunen.大笔钱财，巨款fortunateadj.幸运的fortunatelyadv.幸运地8.unitevt.联合；团结；统一unitedadj.团结的unionn.联合9.routinen.常规；惯例10.pressn.新闻界；报界11.underlinevt.表明重要性；强调12.teamworkn.协作；配合13.temporaryadj.临时的；短暂的temporarilyadv.临时地，暂时地14.robvt.使丧失；抢劫robbern.抢劫犯robberyn.抢劫15.declinevi.下降；谢绝16.firmn.商行，公司17.deadlinen.截止日期，最后日期18.submitvt.提交submissionn.屈从，屈服；意见；提交19.votevi.表决20.circumstancen.情形；情况21.straightaway立刻，马上22.bringup提出；教育；抚养；呕吐23.gothrough经历；仔细检查24.wipeout彻底毁灭25.stopsth. initstracks终止；消灭26.leaveout省略；遗漏27.robsb. ofsth. 抢劫某人某物28.atanyrate无论如何；至少29.TheOlympicspiritthespiritofcompetitionwhichemphasisestakingpartratherthanwinninghasbeenviolatedbythedesiretosucceedatallcosts.人们不惜一切代价来获胜的愿望违背了重在参与而不是获胜的奥林匹克精神。30.Whenhewenttothedoctorthatday，hecouldnothaveknownwhatwasabouttohappentohim.那天当他去看医生时，他不可能知道他会出什么事。基础知识夯实.语境填词1.Youshouldseek(寻求) advicefromyourlawyeronthismatter.2.Theamountoftimespentinreadingeachsessionhasdeclined(下降)，fromclosertoanhourormoretoclosertoahalfhourpersession.(2018全国)3.Theywereaccusedofabusing(滥用) theirpowertokeeppricesartificiallyhigh.4.Theresearchlackssolidevidence，andtherefore，itsconclusionsaredoubtful(doubt).5.Peoplewhohavepersonalitytraitsthatconnectwithcompetitivenessandlowupsettolerance(tolerate) aremuchmorelikelytogetangry.(2018北京)6.Afteryearsofregulartreatment(treat)，shefinallybecamehealthy.7.ImsobusythatIhavetodiscontinueweekly(每周的) visits.8.Theywerenotprovidedwithadequateequipment(equip).(2018江苏)9.Colorisfundamental(fundamentally) inhomedesignsomethingyoullalwayshaveineveryroom.(2018全国)10.Turningoneslifeintoawaitinggamerequiresfaith(faithful) andhope，andisstrictlyfortheoptimistsamongus.(2017天津)11.Fortunately(fortunate)，afterabriefstayinhospital，Benwaswellenoughtobeallowedtoleaveandlaterthefamilymetupfordinner.(2018全国)12.Thefactconcerning(concern) Maryscarcrashisunknown.13.Nataliesschoolwassodamagedthatshehadtotemporarily(temporary) attendaschoolinBrooklyn.14.Itdoespointoutthatmanyparentsstilllimitelectronicreading，mainlyduetoconcerns(concerning) aboutincreasedscreentime.(2018全国)15.Whenisthefinaldateforthesubmission(submit) ofproposals?.选词成篇straight away，cater to，get down to，at random，focus on，in despair，bring up，be responsible for，stop it in its tracksSomeschools1.focusonthenumberofthestudentsadmittedtokeyuniversities.Inorderto2.catertotherequestofsociety，they3.getdowntoaddinglessons4.atrandom.Asaresult，alotofstudentsthinktheyre5.indespairandtiredofbeing6.broughtupatschool.Someparentsthinkthatthelocalgovernmentshould7.beresponsibleforitandshould8.stopitinitstracks9.straightaway.Threerobberswerebelievedtohave10.robbedabankofalargefortuneyesterday.Thegovernmentorderedthatthepoliceshouldfindtherobbersatanyrate.Thibitedthesuspectsfromescapingbut12.invain.Theauthoritysaidthatsuchcrimeswerehardtotolerateandmustbe13.wipedout14.atallcosts.Atpresent，thepoliceareseekingtheinformationaboutthecaseandurgethecriminalto15.submittothepolice.完成句子1.Inourhomeoffice，anyonecaughtdoingsomethingharmfultotheenvironmentmightbepunished.在我们的家庭办公室，任何被发现做对环境有害的事情的人都可能会受到惩罚。2.Exerciseenergizesyou，soitismoredifficulttorelaxandhaveapeacefulsleepwhenyouareveryexcited.(Itisadj.todosth. )(2018全国)锻炼使你充满活力，所以当你非常兴奋的时候更难放松和睡一个安稳觉。3.Illhavemywatchrepaired；itdoesntwork.(havesth. done)我得请人修理我的手表，它不走了。4.Today，manyChinesepeoplearelearningWesternstylesandtheoriesratherthanfocusingonChinesetraditions.(ratherthan)(2018全国)现在，很多中国人在学习西方的模式和理论，而不是关注中国传统。5.Icantfindmypurse.Icouldhaveleftitinthesupermarketyesterday，butImnotsure.(2018天津)我找不到我的钱包了，昨天我有可能把它落在超市里了，但我不确定。1.“财富”相关名词一览(1)fortune大笔钱财(2)treasure财富，财产(3)wealth财富(4)possession财产，财富(5)property财产，不动产2.oppose近义词大全(1)refuse拒绝(2)reject拒绝(3)object反对；不赞成(4)disagree反对(5)disapprove不赞成3.clear短语荟萃(1)clearup清理；消除；澄清；放晴(2)clearaway把清理出去，把收拾整洁(3)clearoff清理；走开(4)clearout把清理干净4.“开始/着手做某事”短语精选(1)getdowntodoingsth. (2)setouttodosth. (3)setaboutdoingsth. (4)settledowntodoingsth. (5)start/begin doing/todosth. 5.“立即，即刻”短语全接触straightaway，atonce，rightnow/away，innotime，inaflash，inaninstant(1)tolerate (sb. ) doing.容忍(某人)做(2)tolerant adj.忍受的，容忍的；宽容的be tolerant of/towards对容忍(3)tolerance n.容忍；忍耐力(1)IfIwereherstaff，Ireallywouldnttoleratebeingscolded(scold) byhereveryday.(2)Marleyunderstandsthatpartofthereasonwhytherearesomanyproblemsintheworldisthelackoftolerance(tolerate) betweenpeople.(3)Perhapsyouneedtobemoretolerantof/towards(对更宽容) yourneighbors.易错点拨tolerate作“忍受”讲时，相当于stand，bear，put up with。seekvt.&vi.(sought，sought)试图，设法；征询，寻求；探索，探寻seek to do sth. 试图做某事seek for/after.寻找/追求seek out挑选；找出seek ones fortune碰运气；寻找致富之路(1)Localschoolsareseekingtoreduce(reduce) thedropoutrate.(2)Havingsought(seek) forasolutiontotheproblemforseveraldays，theyfinallyfoundone.(3)Morethan750,000havegraduatedfromSAC，withmanyseeking(seek) employmentinengineering，aviation，education，medicineandawidevarietyofotherprofessions.(2018北京)(4)Yourlivesarebusyenoughdoinghomework，playingsports，makingfriends，seekingafteryourdreams(追求你的梦想).(2016四川)cater to迎合；为服务cater for为提供服务；满足需要；顾及(1)Ourliteratureandartoughttocatertopopulartaste.我们的文艺应该迎合大众的口味。(2)Itsaholidaycompanythatcatersfortheelderly.这是一家为老年人服务的度假公司。postpone doing.推迟做postpone.to/until.延迟到(1)Letspostponemaking(make) adecisionuntilwehavemoreinformation.(2)Thesummersportsmeetinginourschoolhasbeenpostponed(postpone) forseveraldaysduetotheheavyrain.(1)prohibit sb. from doing sth. 禁止(阻止)某人做某事prohibit (ones) doing sth. 禁止(某人)做某事(2)prohibition n.禁止，禁令prohibition against.的禁令(1)Theprofessorwasdeafandanytalkingwasprohibited(prohibit).(2017全国)(2)Theenvironmentalgroupisdemandingacompleteprohibitionagainstthehuntingofwhales.(3)同义句改写Hispooreyesightprohibitedhisbecomingapilot.Hispooreyesightprohibitedhimfrombecomingapilot.易错点拨prohibit后不接带不定式的复合结构，即不能说prohibit sb. to do sth. 。(1)rob sb. of.抢劫某人的(2)robbery n.抢劫；盗窃；抢劫案robber n.强盗；盗贼(1)Herillnessrobbedherofthechancetogotoschool.(2)Themanwasservingasentenceforrobbery(rob) withviolence.(3)Shescreamedforhelpwhenshesawtherobber(rob).(4)Shewasrobbed(rob) ofwhatlittlemoneyshehad.词义辨析rob，stealrob意为“抢”，常用于“robsb. /sth. ofsth. ”的结构。rob的宾语只能是被抢的人或地点，不能是被抢的东西。steal意为“偷”，常用于“stealsth. fromsb. /sth. ”的结构。steal的宾语只能是被偷的东西，不能是被偷的人或地点。declinen.衰落；衰败；减少；下降v.衰落；减少；下降；婉言谢绝(1)a decline in在方面下降in decline/on the decline在衰退中，在下降(2)decline to do.拒绝做(1)Lastyearsawadeclineintheeffectivedemandforsteel.(2)Howardhasdeclinedtocome(come) andinthatcasewecanasksomebodyelse.(3)Thankfully，thisisadiseasethatisnowonthedecline/indecline(正在衰退).易错点拨(1)decline后可接不定式作宾语，一般不接动名词。(2)decline表示“谢绝”时，已含有“拒绝接受”之意，所以其后一般不接toaccept，以免语义重复。(1)submit to服从于；屈从于submit oneself to甘受；服从submit.to.向提交(2)submission n.提交的文件；屈服；服从(1)Ifyouwanttoshareastoryofyourpetswiththereaders，youneedtosubmitittoSmartAnimals.(2)Submitted(submit) byTom，thepaperwasthoughthighlyofbyhisprofessor.(3)Thestudentsmustsubmitthemselvesto(服从) thedisciplinesatschool.in/under no circumstances绝不(置于句首，句子要用部分倒装语序)in/under the circumstances在这种情况下；既然这样if circumstances allow/permit如果情况允许的话(1)IdontlikeanyhumourinthisseriousspeechbecauseIcantthinkofanycircumstancewherethiswouldbebeneficialoruseful.(2)Undernocircumstancesmustyouleave(你绝不能离开) thehouse.(3)IranandIraqalsohavethepotentialtoexportmore，ifcircumstancesallow/permit(如果情况允许的话).易错点拨(1)抽象地点名词，如：point，stage，case，situation，condition，position，activity，scene，environment，circumstance等作先行词，并在从句中作状语时，用where或“介词which”引导定语从句。(2)在短语in/under the/nocircumstances中circumstance总是用复数。vain adj.虚荣的，自负的；徒劳的，无结果的vainly adv.徒劳地；枉然地(1)Ihavetriedveryhardtofindoutasolutiontotheproblem，butinvain.我尽力去找出解决问题的办法，结果却是白费力气。(2)Wetriedinvain/triedvainly/madeavainattempttomakehimchangehismind.我们试图使他改变主意，结果是白费力气。(1)at the cost of以为代价at a cost of以的费用/价格at any cost(at all costs) 以任何代价，不惜一切代价(2)cost sb. sth. 使某人失去(1)Wemustatallcosts/atanycostpreventthemfromfindingoutabouttheplan.我们必须不惜一切代价阻止他们发现这个计划。(2)Hesavedhisdaughterfromthefire，butonlyatthecostofhisownlife.他从大火中救出了他的女儿，但却牺牲了自己的生命。(3)Heboughtthepianoatacostof500dollars.他花500美元买下了这架钢琴。(4)Onemistakecosthimhisjob.一个错误让他丢了工作。at this/that rate照这样(那样)下去；这样(那样)的话at a.rate以速度(1)Atanyrate，youcanthurtherfeelings.无论如何你都不能伤害她的感情。(2)Atthisrate，wewillsoonbebankrupt.照这样下去，我们不久就要破产了。(3)Ourmoneywasrunningoutatanalarmingrate.我们花钱的速度快得惊人。It is compulsory for winners to be tested but other participants are only tested at random.获胜者要被强制性地进行检查，而其他参与者只是随机地检查。(1)It isadj./n.(for sb. ) to do.结构中，it为形式主语，真正的主语为后面的不定式短语。(2)It isadj.for sb. to do.结构中，for前面的形容词是指“事物怎么样”，如impossible，important等。(3)It isadj.of sb. to do.结构中，of前面的形容词是指“人的品质或特征”，如nice，kind等。句式升级(1)Tomdroveafterdrinkingwine.Itwasdangerous.(it作形式主语)ItwasdangerousforTomtodriveafterdrinkingwine.(2)Itispossibleforhimtofindhislostkey.(改为含有that从句的复合句)Itispossiblethathewillfindhislostkey.The Olympic spiritthe spirit of competition which emphasises taking part rather than winninghas been violated by the desire to succeed at all costs.人们不惜一切代价来获胜的愿望违背了重在参与而不是获胜的奥林匹克精神。rather than为并列连词，意为“而不是，与其不如”，这一表达方式通常用在平行结构中，连接相同的句子成分，即rather than前后两部分在成分和形式上应当一致。rather than连接两个名词或代词作主语时，谓语动词应与rather than前面的名词或代词在人称和数上保持一致。宁愿做A而不愿做B一句多译星期天，我宁愿出去锻炼也不愿待在家里玩电脑游戏。(1)IprefertotakesomeexerciseoutsideratherthanplaycomputergamesathomeonSundays.(prefer.ratherthan.)(2)IwouldrathertakesomeexerciseoutsidethanplaycomputergamesathomeonSundays.(wouldrather.than.)(3)IwouldtakesomeexerciseoutsideratherthanplaycomputergamesathomeonSundays.(would.ratherthan.)When he went to the doctor that day，he could not have known what was about to happen to him.那天当他去看医生时，他不可能知道他会出什么事。“情态动词have done”表示两种意义：(1)表示对过去情况的推测与估计must have done用于肯定句，意为“准是/一定(已经)了”。can/could have done用于否定句和疑问句，意为“不可能/不会(已经)的”和“可能/也许(已经)了吗”。may have done用于肯定句和否定句，意为“可能/也许(已经)了”和“可能/或许还没有”。(2)“情态动词have done”的其他形式：should/ought to have done本来应该做(但却没有)could have done本来能够做(但却没有)might have done本来可以做(但却没有)neednt have done本来不必做(但却做了)(1)Georgecanthavegone(go) toofar.Hiscoffeeisstillwarm.乔治不可能走远。他的咖啡还是热的。(2)Wecouldhavefaced(face) thedifficultytogether，butwhydidntyoutellme?我们本能一起面对困难，但为什么你不告诉我呢？(3)Ishould/oughttohavehelped(help) Peterwithhiswork，butIhadalotofthingstodomyself.我本应该帮彼得工作，但是我自己有很多事情要做。(4)ThewomanbiologiststayedinAfricastudyingwildanimalsfor13yearsbeforeshereturned.Oh，dear！Shemusthavegone(go) throughalotofdifficulties!这位女生物学家在非洲研究野生动物13年后才回来。哦，天哪！她一定经历了许多困难！.单句语法填空1.Havingbeenusedtowarmclimate，LiMingcanttolerateliving(live) insuchacoldplace.2.Itisnecessaryforustoexamine(examine) thepapersbeforehandingthemin.3.Look！Thestoreisbeingrebuilt(rebuild).4.Measles(麻疹) wasnearlywipedoutintheUnitedStates14yearsago.(2017北京)5.Heopposedbuilding(build) anewbuildinginthisarea，fortherearesomerareplantsnearhere.6.Thefloorsofallcampusbuildingsareequippedwithmanual(手动的) firealarmsystemswhichincludefirealarmpullstationsandpipes.(2018天津)7.Owingtothebadweather，wedecidedtopostponestarting(start) thetrip.8.Wefeelveryprivileged(privilege) tohavethechairmanoftheCommitteeofForeignAffairsasourdistinguishedguest.9.Iwillnotidle(虚度) awaymytimeandbesorryinvainwhenmyyouthfulheadbecomeswhite.10.Werejusttryingtoreachapointwherebothsideswillsitdowntogetherandtalk.11.Were(be) itnotforthesupportoftheteachers，thestudentcouldnotovercomeherdifficulty.(2017江苏)12.MysistermethimattheGrandTheatreyesterdayafternoon，sohecouldnthaveattended(not，attend) yourlecture.13.Imquitesatisfied，andIprefertorent(rent) suchanapartmentratherthanbuy(buy) one.14.Shewipedoffthesweatfromherfacewithapieceoffacialtissue.15.Inspiteofmanyinvitations，hewouldalwaysdeclinetovisit(visit) Oxford.单句改错(每小题仅有1处错误)1.Itwasreportedthatallchildrenhadphysicallyandemotionallyabused.2.Hemadefortuneinhisbusinesstradelastyear.3.Heofferedtobuysomeforthenewschool.4.Thebirthrateinthatcountryisnow或thedecline.5.Shesaidundernowouldshegiveupherplan.6.Itisniceyoutogiveussomuchhelp.7.Theyareurgentlyseekingthepostswheretheyarewellpaid.8.Iamverymuchopposedtohimtogoalone.9.Theyarediscussingsomethingeducationatthemoment.10.Thedrunkendriver，ratherthanthepassers-bytoblameforthetrafficaccident.11.IthoughtherniceandhonestforthefirsttimeImether.12.Thepatientisgoingtohavehistemperature.教材与语法填空Athleticperformanceshave1.continually(continue) improvedsincethefirstOlympicGames.However，improvements2.havebegun(begin) toslowdownrecently.While3.talking(talk) aboutbreakingrecords，wecomeacrosstheissueofperformance-enhancingdrugs,4.whichareoriginallydevelopedtohelppeoplewithillnesses，buttheyareoftenusedbysomeathletestoperform5.better(well) thanusual.6.Inotherwords，dopingisafundamentalformofcheating.Unfortunately，itisdifficulttocatchathletes7.using(use) illegaldrugs.Thewinnershavetobetested8.whileotherparticipantsareonlytested9.atrandom.Newdrugsaredevelopedallthetimeanddrugtestsforsportingeventsareoftenonestepbehind.Inthefutureanotherissueisgene-therapy.Athleteswhohavetheirgenes10.changed(change) mightperformmuchbetterinthematch.Intodaysworld，ifdopingandgene-therapycontinuetoaffecttheoutcomesofmajorsportingevents，theOlympicspiritwillhavelostitsmeaning.教材与短文改错Oneoftheearliestepidemiconrecordhappenedabout500550ADwhentheRomanemperoratthetimewasattemptedtorebuildtheRomanEmpire.Inthe1330s，“TheBlackDeath”appearedinAsia，thatspreadrapid.Yearsago，SARSbreaksout.Sincethen，scientistshadbeendoingtrialstopreventit.BeforeSARS，theSpanishFluisbelievedtohavebeenmostacuteepidemicinhistorybecauseofitkilled50millionpeoplein18months.However，sinceBirdFlufirstappearedin1997，ithastakenmanythanahundredlives.Withalltheinternationaleffortbeingmade，wehavefaithwhichtherewillbesolutionstostopit.答案Oneoftheearliestonrecordhappenedabout500550ADwhentheRomanemperoratthetimewastorebuildtheRomanEmpire.Inthe1330s，“TheBlackDeath”appearedinAsia，spread.Yearsago，SARSout.Sincethen，scientistsbeendoingtrialstopreventit.BeforeSARS，theSpanishFluisbelievedtohavebeenmostacuteepidemicinhistorybecauseofitkilled50millionpeoplein18months.However，sinceBirdFlufirstappearedin1997，ithastakenthanahundredlives.Withalltheinternationaleffortbeingmade，wehavefaiththerewillbesolutionstostopit.教材与微写作写作素材(关于流行病)1.最近流感正在我国广泛传播，所以我们学校正寻求有效措施，彻底消灭这种疾病。2.一些措施是强制性的。(把1、2句合成含有定语从句的复合句)3.我们绝不能随意吃东西。(倒装句)4.我们每个学生应该开始着手做些事情来消除这种疾病。连句成篇根据提示利用本单元所学知识补全短文Recently，thefluisspreadingwidelyamongpeopleinourcountry，soinorderto1.wipeoutthedisease，ourschool2.areseekingeffectivemeasures,3.someofwhicharecompulsory.4.Undernocircumstanceswillweputsomefoodinourmouthsatrandom.Eachofthestudents5.shouldgetdowntodoingsomethingtoclearupthedisease.阅读理解(2018安徽六校教育研究会二联)Youralarmgoesoffonyourphone，andinsteadofturningitoffandgoingonsleeping，youpickitupandstupidlysay, “Hello？”Youare，tousethetechnicalterm，sufferingfromsleepdrunkenness(醉态)，thosefirstfewconfusedminutespeoplesometimesexperienceafterwaking，accordingtoajust-publishedpaperinNeurology(神经学).Forthefirsttime，thephenomenonhasbeenstudiedinageneraladultpopulation.Intelephoneinterviewstheresearchersconductedwithmorethan19,000healthyindividuals，about25percentreportedexperiencingsomesortofsleep-drunkepisode(插曲) inthelastyear，and12percentsaidthishappenedtothematleastonceaweek.Mostoftheirstorieswereactuallyprettyfunny，saidStanfordUniversitySchoolofMedicinepsychiatrist(精神病学家) MauriceOhayon.Onemanpickeduphisalarmclockandmistookitforhisphone，holdingatwo-minuteconversationonit.Anotherparticipantwokeinthemiddleofthenightandcouldntfindthebathroominherownhome.OthercommonexamplesarethatfoggyfeelingyougetwhenyoufirstwakeupwithastartonaSaturdaybeforerealizingitstheweekend，orwhenyouwakeupinahotelroomandcantimmediatelyfigureoutwhereyouare.Ohayonexplainsthatanabruptawakening，toourpoor，half-asleepbrains，signalsanemergencyatimeforaction，notreason.“Formostpeople，andespeciallyifthisonlyhappenstoyoueveryonceinawhile，itsnothingtoworryabout.Butforpeoplewhoexperiencesleepdrunkennessonceaweekormore，youmightaswellrefertoprofessionalhelptohaveasoundsleep.”语篇解读人们在刚刚睡醒时，会有几分钟非常迷糊，这种现象被叫作睡醉。对于偶尔的睡醉不用