2023年河南省驻马店市西平县中考三模英语试题（含解析）

试卷第=page11页，共=sectionpages33页试卷第=page11页，共=sectionpages33页2023年河南省驻马店市西平县中考三模英语试题学校:___________姓名：___________班级：___________考号：___________一、阅读单选Kindle,NookoriPad?Howshouldwechoosetherighte-bookreader?iPadPrice:$369Weight:730gPageSize:9.7inches(full-colortouchLCDscreen)Itcanworkasatabletcomputeraswellasane-bookreader.Manyyoungpeopleuseittowatchvideos.Click(点击)hereformore.NookPrice:$125Weight:180gPageSize:6inches(e-inkscreen)ItissimilartoKindleinmanyways.Thee-inkscreenismuchbetterforeyesthanthetraditionalcomputerordeskscreen.Clickhereformore.KindlePrice:$196Weight:260gPageSize:8inches(e-inkscreen)Inittherecanbeover390,000bookstochoosefrom.Youcanalsoreadinternationalnewspapersandmagazines.Clickhereformore.NookColorPrice:$299Weight:450gPageSize:7inches(full-colortouchLDscreen)Itnotonlyoffersbooks,magazinesandnewspapers,butitcanalsobeusedasavideoplayer.Clickhereformore.根据材料内容选择最佳答案。1．Whiche-bookcanJackchooseifhehaspooreyesight?A．NookorKindle. B．iPadorKindle. C．NookColororNook. D．KindleorNookColor.2．HowmuchmoneyshouldAnniepayifshebuysaniPadandaNook?A．$369. B．$494. C．$495. D．$424.3．WhichofthefollowingpersonsmaybuyNook?A．Ericwhoisinterestedinwatchingvideos.B．Philwhowantstobuyalightandsmall-sizede-bookreader.C．Janewhoneedsatabletcomputer.D．Katiewhooftenworksatnight.4．WhatdoiPadandNookColorhaveincommon?A．Theyareofthesameprice. B．Theyhavethesamesize.C．Theybothcanplayvideos. D．Theybothhavethee-inkscreen.5．Whereisthetextprobablyfrom?A．Atextbook. B．Ahealthmagazine. C．Anewspaper. D．Awebsite.Aliceisa9-year-oldgirlfromWashington.Shegrewfoodforthehomelessfouryearsago.Nowsheisworkingonbuilding11smallhomesforthehomeless.ShegottheideaaftershemetahomelessmannamedEdwardonthestreetwhilegoingoutshoppingwithhermother.Theygavethemanasandwich,butAlicestartedthinkingabouthowshecoulddomoreandcontinueprovidingfoodforthepeopleinneed.SoshesetupAlice’sHarvest,agardenwithitsownFacebookpage,togrowvegetables.“Isaid‘sure’,thinkingitwouldlastaweek.However,itlastsfouryearsandshestilloffersvegetablestothehomelesseveryweek,”hermom,Miranda,said.“Itjustdoesn’tseemrightthattherearehomelesspeople,”Alicesaidtohermother.“Ithinkeveryoneshouldhaveaplacetolivein.”Soshekeepsputtinginweeksofworkontheshelters.Alicecanusetoolsbyherselftobuildasmallhouse.Thehouseissafeanddry.Alicereceivedmoneyforthehomes.Sheisgoingtoputthemoneyinthetown’spermanentTentCity(帐篷)andhopesitcanbeopentothehomelesslaterthisyear.“Onewindowgotputintoday,”shewroteinonepost.“Ididn’tgetasmuchasIwantedtoday,butonewallwasin.”TogetherRising,whichhelpedfund(资助)herproject,said,“Wecan’tthinkofabetterexamplethanourAlice.Sheshowsthatnopersonoractofkindnessistoosmalltochangetheworld.”根据材料内容选择最佳答案。6．WhatcanweknowfromParagraph1?A．Alicehashelpedhomelesspeopleforfouryears. B．Aliceisbusyraisingmoneyforthehomeless.C．Aliceisgoodatgrowingfruit. D．Aliceisinterestedinbuildinghouses.7．WhydidAlicedecidetosetupAlice’sHarvest?A．Becausehermomaskedhertodoso.B．Becauseshewantedtotakeupgardeningasherhobby.C．Becausesheenjoyedplantingvegetables.D．BecauseshewantedtohelpmorepeoplelikeEdward.8．Whatdoestheunderlinedword“shelters”meaninChinese?A．舒适区 B．防空洞 C．庇护所 D．公寓楼9．WhichofthefollowingwordscanbestdescribeAlice?A．Smartandhard-working. B．Braveandgood-natured.C．Kindandstrong-willed. D．Humorousandwarm-hearted.10．What’sthebesttitleforthetext?A．ThingswecandotohelpthehomelessB．AgirlhasalwaysbeentryingtohelpthehomelessC．AsmallkindnesscouldhardlychangetheworldD．EveryonecanplayapartinchangingtheworldTherearemanydifferentkindsofbirdsallovertheworld.Doyouknowthebaldeagle(秃鹰)?It’sveryinterestingthatthebaldeagleisnotreallybald.Ithasfeathersonthehead.Baldeaglesarelargebirds.Asbirds,theycanliveforalongtime.Baldeagleslikeeatingfish.Peopleoftenseethemflyingdownfromtheskyandcatchingfishoutofthewaterquickly.Theylikelivingnearopenwaterbecausetheycaneasilyfindfishthere.Baldeaglesalsoeatsomesmallanimals.BaldeaglesstayinmostpartsofNorthAmerica.TheyareinthesouthernstatesandMexicoallthewaytoCanadaandAlaska.However,alargenumberofbaldeaglesliveinAlaskaandCanada.Themotherbaldeaglelaysonetothreeeggseachyear.Bothparentstakecareoftheeggs.Afterabout35days,thebabybirdsbreakoutoftheeggs.Theyoungeaglesarereadytoleavehomeforfoodwhentheyareabout13weeksold.HuntingandpollutionmadebaldeaglesintheUnitedStatesindanger.Somestrictrulestostophuntingtheeaglesandtocutpollutionhaveallowedthebaldeaglestocomeback.Allinall,peopleshouldtrytheirbesttohelpprotectthebirds.Theyarehumanbeings’goodfriends.Lookupintheskythenexttimeyouareoutinnature.Youmightseeoneofthesewonderfulbirdsinthesky.根据材料内容选择最佳答案。11．Whatisthebaldeaglelike?A．Itisalmostbald. B．Itisabirdwhichhasnofeathers.C．Itcanliveforalongtime. D．Itisnotgoodatcatchingfish.12．Whichofthefollowingplacesmayyounotfindthebaldeagleaccordingtothetext?A．Mexico. B．Alaska. C．Canada. D．Africa.13．Howlongdoesittakebabyeaglestobeabletofindfoodforthemselves?A．Aboutthirty-fivedays. B．Aboutthirteendays.C．Aboutforty-eightdays. D．Aboutninety-onedays.14．Whyarebaldeaglesendangered?A．Becausetheylayfeweggs.B．Becausethereislessandlessfoodforthem.C．Becausepeoplehuntthemandpollutetheirlivingenvironment.D．Becausepeoplehavemadestrictrulesandcutdownpollution.15．What’sthethemeofthistext?A．Nature. B．Culture. C．Education. D．Technology.二、阅读还原5选5What’sthemostpopularwaytotravelintheworld,notincludingahumanbeing’stwolegs?Yousaybycar?No.Bytrain?Wrongagain.Byairplane?I’msorry.16Itmaybeasurprisetomostpeople.Afterall,weseealotofcarseachday,butwedon’tseesomanybicycles.Asweallknow,bicyclesareeasytoparkandneednoenergy.17Sotheyarepopularwithpeopleallovertheworld.However,doyouknowhowtheycameintobeing?Theideaofabicyclecamefromachild’stoywhichwasahorsemadeofwood.Ithadahorse’sheadononeendofastickandawheelontheother.Atfirstthebicyclehadnopedals(脚蹬).Tomoveforward,theriderhadtoputhisfeetonthegroundtopushithard.18Therewasnowaytoturnthefrontwheel.Iftheriderwantedtochangedirection,hehadtogetoffandmovethebicycle.19Forexample,earlybicycleshadsolidtires(实心轮胎)thatmadethemshake.20Heputahose(软管)onhisson’sbicycleandfilledthehosewithair,whichhelpedstoptheshaking.Overtime,bicyclesgotlights,mirrorsandsoon.根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使文章意思通顺、内容完整。A．Alsothiskindofbicycleonlywentstraightahead.B．Lateron,manynewobjectshelpedmakeabetterbicycle.C．Then,amanmadeanewkindoftire.D．Andtheydon’tcausepollution.E．Infact,themostpopularwayisbybicycle.三、完形填空先通读短文，掌握其大意，然后从A、B、C、D四个选项中选出一个可以填入相应空白处的最佳答案。WhenIwasinprimaryschool,Ihadabigargumentwithaboyinmyclass.Ican’t21whatitwasabout,butIhave22forgottenthelessonIlearnedthatday.IwassurethatIwasrightandhewaswrong.However,he23believedthatIwaswrongandhewasright.Theteacherdecidedtoteachusa(n)24.She25agoodidea.Shebroughtbothofustothefrontoftheclassand26himononesideofhergraydeskandmeontheother.Inthemiddleofthedeskwasalarge,round27.Itwas28formetoseethatitwasblack.Sheaskedtheboywhatcolortheobjectwas.“White,”heansweredinaloudvoice.Icouldn’tbelievethattheobjectwaswhite,29thatitwascertainlyblack.Onemoreargumentstarted30theboyandme,thistimeaboutthecoloroftheobject.Theteachertoldmetostandwheretheboywasstandingandtold31tostandwhereIhadbeen.Wechangedplaces,32againsheaskedmewhatthecoloroftheobjectwas.Ihadtoanswer,“White.”ItwasthenthatIknewwhatwas33.Itwasanobjectwithtwo34colors.Fromhissideitwaswhite,onlyfrommysideitwasblack.Myteachertaughtmeaveryimportantlessonthatday:Youmuststandinother’s35andlookatthesituationthroughtheireyesinordertotrulyunderstandtheirideas.21．A．suggest B．expect C．remember D．please22．A．always B．never C．sometimes D．ever23．A．strongly B．happily C．closely D．recently24．A．lesson B．offer C．excuse D．question25．A．comparedwith B．connectedwith C．cameupwith D．helpedwith26．A．advised B．placed C．asked D．showed27．A．desk B．object C．bottle D．cup28．A．proud B．weak C．right D．clear29．A．considering B．trusting C．wanting D．fearing30．A．both B．among C．between D．during31．A．her B．me C．him D．us32．A．or B．but C．so D．and33．A．serious B．patient C．wrong D．simple34．A．crazy B．different C．similar D．natural35．A．explanation B．choice C．interview D．position四、短文选词填空阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。normal

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fever

lastYouwakeuponemorning,andyourheadfeelslikeit’sburning.Rightaway,youthink,“Oh,no!Ihaveafever!”36,whenyoutakeyourtemperature,youseethatit’sonly37.2℃.Yes,youdon’thaveafever.Afever37startsat38℃.Somedoctorsthinkourideasaboutfeversarewrongandtooold.It’sthesamefor38bodytemperatures.Theyarguethateveryone’snormalbodytemperatureisn’t37℃.It’s36.6℃to38℃forkidsand36.1℃to37.2℃for39.Womenalsohaveahighernumberthanmen.Besides,people’sbodytemperaturesdon’tstaythesameallthetime.Whenyourbodytemperatureis4038℃,youhaveafever.Manypeoplethinkit’sabadthing,butit’snot.Feversshowthatthebodyisdoing41job.It’sfightingsomeofthebadviruses(病毒)inyourbody.Thebody42thembyturninguptheheat.Thatway,it’sharderforthevirusestomakecopiesofthemselves.Whentheybecomefewer,the43disappearsslowly,too.Mild(轻微的)feversdon’tlastlong.So,letthemdotheirjobs.44thefeverreaches39.4℃orhigher,callyourdoctor.Dothesameifthefever45longerthanthreedays.Feversfighttoprotectus,sothey’reourfriends,notourenemies.五、短文语境提示填空阅读短文，根据语篇要求填空，使短文通顺、意思完整。每空限填一词。ItwasaChristmaseveningwithheavysnow.Alittlegirl46sellingmatchesonthestreet.“Matches,matches!”Butnoonelookedather.Shewassohungrythatshecouldn’tevenopenhermouth.Then,acarriagecameclosetoherslowly.Tryingtokeepawayfromthecarriage,sheslippedandfellontheice,andshelosthershoes.47awindow,shesawafamilyunderthewarmandbrightlight.Theyseemedsohappy.Thesnowbegantofallmoreheavily.Itwassocold,48shecouldn’tgobackhomebecauseshedidn’tevenselloneboxofmatches.Shethenlitamatch.Itmadeheralittlewarmer.Shelitasecondmatch.Suddenly,atablefull49deliciousfoodcameupinfrontofher.Shethenlitanothermatch.50beautifulChristmastreeappeared.Aftershelitthefourthone,hergrandmotherappeared.“Sweetie,cometoHeaven(天堂)withme.”Thegirl’sgrandmotherheldhertightlyinherarmsandroseuptothesky.Thenextday,shewasdeadandfoundinthestreet.六、填写适当的句子补全对话根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。A:Hi,Anna,longtimenosee.51?B:Notsogood.A:52?B:Igotintoafightwithmybestfriend.Wehaven’ttalkedtoeachotherforseveraldays.A:53.Butdon’tworry.It’snormalforfriendstogetintoafightsometimes.B:Notthistime.Iguessshewillnevertalktomeanymore.WhatshouldIdo?A:54.It’sagoodwayforyoutobettercommunicatewithher.B:Soundslikeagoodidea.I’llfollowyouradvice.Bytheway,55?A:I’mgoingtothecinema.Wouldyouliketogowithme?Youneedtodosomethingtorelaxyourself.B:MaybeIdoneedtorelaxmyself.OK.I’llgowithyou.七、材料作文56．青少年要想树立新的社会风尚，要先从文明举止开始。请以“Beteenagersofgoodbehavior”为题，根据以下要点写一篇文章。1.要点：1）文明举止的行为都有哪些？2）为什么要注意文明举止？3）你将从何做起提升自身行为？2.要求：1）文中不得出现真实姓名和学校名称；2）词数100左右。Beteenagersofgoodbehavior____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________答案第=page11页，共=sectionpages22页答案第=page11页，共=sectionpages22页参考答案：1．A2．B3．B4．C5．D【导语】本文主要介绍了几款电子书阅读器。1．细节理解题。根据“NookThee-inkscreenismuchbetterforeyesthanthetraditionalcomputerordeskscreen.”及“Kindle...e-inkscreen”可知Nook和Kindle都属于水墨屏，对视力更好，杰克可以任选一个。故选A。2．细节理解题。根据“iPadPrice:$369”及“NookPrice:$125”可知买一个iPad和一个Nook应该支付：369+125=494（美元）。故选B。3．推理判断题。根据“Nook...Weight:180gPageSize:6inches(e-inkscreen)”可知Nook的重量最轻、尺寸最小，且是水墨屏，由此推出想买一个轻便小巧的电子书阅读器的菲尔可能买Nook。故选B。4．细节理解题。根据“iPad...Manyyoungpeopleuseittowatchvideos.”及“NookColor...Itnotonlyoffersbooks,magazinesandnewspapers,butitcanalsobeusedasavideoplayer.”可知iPad和NookColor都能播放视频。故选C。5．推理判断题。根据“Clickhereformore.”可推出这篇文章选自一个网站。故选D。6．A7．D8．C9．C10．B【导语】本文主要讲一个女孩总是试图帮助无家可归的人。6．细节理解题。根据“Shegrewfoodforthehomelessfouryearsago.Nowsheisworkingonbuilding11smallhomesforthehomeless.”可知爱丽丝已经帮助无家可归的人四年了。故选A。7．细节理解题。根据“Theygavethemanasandwich,butAlicestartedthinkingabouthowshecoulddomoreandcontinueprovidingfoodforthepeopleinneed.SoshesetupAlice’sHarvest,agardenwithitsownFacebookpage,togrowvegetables.”可知爱丽丝决定建立Alice’sHarvest是因为她想帮助更多像爱德华一样的人。故选D。8．词义猜测题。根据“Alicecanusetoolsbyherselftobuildasmallhouse.Thehouseissafeanddry.”可知爱丽丝为无家可归的人建立庇护所，shelters意为“庇护所”。故选C。9．推理判断题。根据“Shegrewfoodforthehomelessfouryearsago.Nowsheisworkingonbuilding11smallhomesforthehomeless.”可知爱丽丝已经帮助无家可归的人四年了，是善良的，坚持了四年说明她是意志坚定的。故选C。10．标题归纳题。通读全文可知本文主要讲一个女孩总是试图帮助无家可归的人。用“Agirlhasalwaysbeentryingtohelpthehomeless”做标题最合适。故选B。11．C12．D13．D14．C15．A【导语】本文主要介绍了秃鹰的生活习性及其面临的现状。11．细节理解题。根据“Asbirds,theycanliveforalongtime.”可知秃鹰能活很长时间。故选C。12．细节理解题。根据“TheyareinthesouthernstatesandMexicoallthewaytoCanadaandAlaska.However,alargenumberofbaldeaglesliveinAlaskaandCanada.”可知可以在墨西哥、阿拉斯加和加拿大找到秃鹰，在非洲找不到。故选D。13．数字计算题。根据“Theyoungeaglesarereadytoleavehomeforfoodwhentheyareabout13weeksold.”可知小鹰要在13周大的时候才能自己觅食，13周即91天。故选D。14．细节理解题。根据“HuntingandpollutionmadebaldeaglesintheUnitedStatesindanger.”可知秃鹰濒危是因为人们捕杀它们，污染了它们的生存环境。故选C。15．推理判断题。本文主要介绍了秃鹰的生活习性及其面临的现状，主题是“自然”。故选A。16．E17．D18．A19．B20．C【导语】本文主要讲世界上最受欢迎的交通工具是自行车，介绍了自行车的发明及改进。16．根据“What’sthemostpopularwaytotravelintheworld,notincludingahumanbeing’stwolegs?Yousaybycar?No.Bytrain?Wrongagain.Byairplane?I’msorry.”可知要回答上文提出的问题，什么是最受欢迎的旅行方式，E项“事实上，最流行的方式是骑自行车。”符合语境。故选E。17．根据“Sotheyarepopularwithpeopleallovertheworld.”可知要介绍自行车受欢迎的原因，D项“而且它们不会造成污染。”符合语境。故选D。18．根据“Therewasnowaytoturnthefrontwheel.”可知轮子不会转弯，只能直行，A项“而且这种自行车只能直行。”符合语境。故选A。19．根据“Forexample,earlybicycleshadsolidtiresthatmadethemshake....Overtime,bicyclesgotlights,mirrorsandsoon.”可知此处讲后来自行车得到了改进，B项“后来，许多新物品帮助制造了更好的自行车。”符合语境。故选B。20．根据“Forexample,earlybicycleshadsolidtiresthatmadethemshake....Heputahoseonhisson’sbicycleandfilledthehosewithair,whichhelpedstoptheshaking.”可知此处介绍新的轮胎，C项“然后，一个人制造了一种新的轮胎。”符合语境。故选C。21．C22．B23．A24．A25．C26．B27．B28．D29．A30．C31．C32．D33．C34．B35．D【导语】本文通过讲述作者和同学的一次争吵，告诉我们要学会站在别人的角度看问题。21．句意：我不记得是怎么回事，但我永远不会忘记那天得到的教训。suggest建议；expect期盼；remember记得；please请。根据“butIhave...forgottenthelessonIlearnedthatday”可知，我不记得是怎么回事。故选C。22．句意：我不记得是怎么回事，但我永远不会忘记那天得到的教训。always总是；never从未，永不；sometimes偶尔；ever曾经。根据“butIhave...forgottenthelessonIlearnedthatday”可推出是永不会忘记那天得到的教训。故选B。23．句意：然而，他坚信我错了，他是对的。strongly坚定地；happily高兴地；closely紧密地；recently最近。根据“Iwaswrongandhewasright”可知坚信自己是对的。故选A。24．句意：老师决定给我们上一课。lesson教训，课程；offer提供；excuse借口；question问题。teachsb.alesson“给某人一个教训”。故选A。25．句意：她想起一个好主意。comparedwith比较；connectedwith与……建立联系；cameupwith想起；helpedwith帮助。根据“agoodidea”可知是想起一个好主意。故选C。26．句意：她把我们俩都带到教室前面，让他站在她灰色桌子的一边，我站在另一边。advised建议；placed使（人）处于某位置；asked询问；showed展示。根据“himononesideofhergraydeskandmeontheother”可知此处指老师安排两人的位置。故选B。27．句意：桌子中间有一个又大又圆的东西。desk书桌；object东西；bottle瓶子；cup杯子。根据“Icouldn’tbelievethattheobjectwaswhite”可知此处指一个又大又圆的东西。故选B。28．句意：我很清楚地看到它是黑色的。proud骄傲的；weak虚弱的；right对的；clear清楚的。根据“toseethatitwasblack”可知是看得很清楚。故选D。29．句意：我不敢相信那个东西是白色的，因为它肯定是黑色的。considering鉴于；trusting信任；wanting想要；fearing害怕。此处表示鉴于它肯定是黑色的，所以不敢相信这东西是白色的。故选A。30．句意：男孩和我又吵了起来，这次是关于那个东西的颜色。both两者都；among在三者或三者以上之中；between在两者之间；during在……期间。此处表示在男孩和作者之间，用between...and...。故选C。31．句意：老师告诉我站在那个男孩站的地方，并告诉他站在我站过的地方。her她；me我；him他；us我们。根据“tostandwhereIhadbeen”可知告诉男孩站在作者站过的地方，用him指代男孩。故选C。32．句意：我们换了位置，她又问我那个东西是什么颜色的。or否则；but但是；so因此；and和。设空处前后有短暂的先后顺序，用and连接并列句。故选D。33．句意：那时我才知道哪里出了问题。serious严重的；patient有耐心的；wrong有问题的；simple简单的。根据“Itwasanobjectwithtwo...colors.Fromhissideitwaswhite,onlyfrommysideitwasblack.”可知作者知道哪里出了问题。故选C。34．句意：这是一个有两种不同颜色的物体。crazy疯狂的；different不同的；similar相似的；natural天然的。根据“Fromhissideitwaswhite,onlyfrommysideitwasblack.”可知这个物体有两种不同的颜色。故选B。35．句意：你必须站在别人的立场上，通过他们的眼睛来看待这个情况，才能真正理解他们的想法。explanation解释；choice选择；interview采访；position位置。根据“lookatthesituationthroughtheireyes”可知要站在别人的位置上看问题。故选D。36．However37．usually38．normal39．adults40．around41．its42．kills43．fever44．If45．lasts【导语】本文主要讲述了关于发烧的一些事实。36．句意：然而，当你量体温时，你会发现只有37.2℃。前后句意出现转折，空后有逗号，用however表示“然而”，句子开头首字母大写。故填However。37．句意：发烧通常始于38摄氏度。根据“Afever...startsat38℃.”可知句中缺少副词，用usual的副词形式usually表示“通常”，符合语境。故填usually。38．句意：正常体温也是如此。根据“Theyarguethateveryone’snormalbodytemperatureisn’t37℃.”可知此处指的是正常体温。normal“正常的”。故填normal。39．句意：儿童体温为36.6℃至38℃，成人体温为36.1℃至37.2℃。根据“forkids”可知此处对应成年人，adult“成年人”，用复数。故填adults。40．句意：当你的体温在38℃左右时，你就会发烧。根据“youhaveafever”可知是在38摄氏度左右，用around表示“大约”。故填around。41．句意：发烧表明身体正在做它的工作。job前缺少定语，用it的形容词性物主代词its指代“身体的”。故填its。42．句意：身体通过加热来杀死它们。根据“byturninguptheheat”可知通过升温来杀死病毒，kill“杀死”，主语“Thebody”后用动词第三人称单数kills。故填kills。43．句意：当它们变少时，发烧也会慢慢消失。根据“Whentheybecomefewer”可知病毒变少了，身体不再需要升温来杀死病毒，发烧会消失，fever“发烧”，disappears前用单数。故填fever。44．句意：如果发烧达到39.4℃或更高，请打电话给医生。分析句子可知，此处表示假设条件，应用if引导条件状语从句。故填If。45．句意：如果发烧持续超过三天，也要这样做。根据“longerthanthreedays”可知是发烧持续超过三天，last“持续”，if从句中用一般现在时，thefever后接动词第三人称单数形式。故填last