寒假分层作业04 原因状语从句（解析版）-2024年九年级英语寒假培优练

PAGEPAGE1限时练习：40min完成时间：月日天气：作业04原因状语从句原因状语从句原因状语从句的引导词有because，since，as等。注意：1.because和so不能同时使用。如：Hedidn’tcometoschoolyesterdaybecausehewasill.他昨天没来上学，因为他生病了。2.since引导原因状语从句表示显然的或已为人知的理由，表示“因为，既然”如：Sinceeveryoneishere,let’sstart.既然大家都到期了，我们就开始吧。1．（2023·江苏南通中考真题）________youcan’tworkouttheproblem,perhapsyouneedtoaskyourclassmatesforhelp.A．Unless B．Though C．Since D．Whether2．（2022·江苏淮安·统考中考真题）Wewouldliketobuyelectriccars________theyproducelessairpollution.A．because B．so C．though D．but3．（2023·江苏镇江·统考二模）—It’ssaidthatZhenjiangPotCoverNoodlesareverydelicious.—Well,________wearehere,whynothaveatry?A．though B．unless C．since D．before4．（2023·江苏扬州·校考二模）Roadsaltiscommonlyusedtoclearthesnowonroadsduringwinter______itmakesitharderforwaterandsnowtofreeze.A．though B．because C．if D．unless5．（2023·江苏南京·统考二模）NanjingForestMusicFestivalisworthattending________itmixestraditionalChinesemusicandmodernWesternmusic.A．while B．until C．whenever D．because6．（2023·江苏扬州·统考一模）—IhearthatyouhavelivedinYangzhousinceyougotmarried.—That’strue.________thecostoflivinginYangzhouisamongthelowestinJiangsuProvince,peoplelivetherecomfortablyandhappily.A．Since B．When C．Although D．Unless7．（2023·江苏无锡·统考一模）Thecourseoflifeneverrunssmoothly________itisfullofupsanddowns.A．though B．since C．while D．unless8．（2022·江苏无锡·模拟预测）Lifeislikeaone-wayrace,sotreasureeverymoment________timecannotbewonagain.A．so B．as C．if D．unless9．（2022上·江苏南通·九年级统考期末）—It’ssaidthatBeijingDuckisveryfamousanddelicious.—Well,_______we’rehere,whynotgototherestaurantandordersome?A．unless B．though C．whenever D．since10．（2022上·江苏盐城·九年级校联考阶段练习）________everyoneishere,let’sbeginourmeeting.A．Unless B．Since C．Although D．When11．（2022上·江苏淮安·九年级统考期末）—Whydoyoulikelisteningtomusic?—________itmakesmefeelrelaxed.A．Becauseof B．Because C．Since D．As12．（2022上·江苏南通·九年级校考阶段练习）—Yourecommendmetowearanorangeshirttoday,right?—Yes.________orangecanbringyougoodluck,itisgoodforyourinterview.A．As B．When C．If D．While13．（2022·江苏镇江·统考二模）ManyChinesepeoplearefallinginlovewithcamping________long-distancetravelisbecomingmoredifficult.A．until B．although C．unless D．since14．（2022·江苏盐城·统考一模）Somestudentshadtogiveuptheirhobbies________theywerebusywiththeirschoolwork.A．while B．because C．though D．until15．（2023·江苏徐州·校考三模）—Indianstreetfoodmaytasteabitstrange.—Well,wearehere,whynotgiveitatry?A．if B．although C．unless D．since1．C【详解】句意：既然你解不出这道题，也许你需要向你的同学求助。考查连词辨析。Unless除非；Though尽管；Since既然，由于；Whether是否。“youcan’tworkouttheproblem”是向同学求助的原因，用Since引导原因状语从句。故选C。2．A【详解】句意：我们想买电动汽车，因为它们产生的空气污染更少。考查连词辨析。because因为；so因此；though尽管；but但是。上文“想买电动汽车”和下文“电动汽车产生较少空气污染”之间是因果关系，前者是结果，后者表原因，故用because连接。故选A。3．C【详解】句意：——据说镇江锅盖面很好吃。——嗯，既然我们来了，为什么不试一试呢？考查连词辨析。though尽管；unless除非；since既然；before在……之前。分析句子可知，此处指既然都到镇江了，就去试试锅盖面，应用since引导原因状语从句。故选C。4．B【详解】句意：在冬季，道路盐通常用于清除道路上的积雪，因为它会使水和雪更难结冰。考查连词。though尽管，表示转折；because因为，表原因；if如果，表示条件关系；unless除非，表示否定条件关系。根据“Roadsaltiscommonlyusedtoclearthesnowonroadsduringwinter”和“itmakesitharderforwaterandsnowtofreeze”可知，前后句是因果关系。故选B。5．D【详解】句意：南京森林音乐节是值得参加的，因为它融合了中国传统音乐和现代西方音乐。考查连词辨析。while与……同时；until直到；whenever无论何时；because因为。根据“NanjingForestMusicFestivalisworthattending”和“itmixestraditionalChinesemusicandmodernWesternmusic”可知，前后句为因果关系，前果后因，应用because进行连接。故选D。6．A【详解】句意：——我听说你结婚后一直住在扬州。——这是真的。由于扬州是江苏省生活成本最低的城市之一，人们在那里生活得舒适而快乐。考查连词辨析。Since因为，由于；When当……时；Although尽管；Unless除非。分析语境可知，“扬州是江苏省生活成本最低的城市之一”是“人们在那里生活得舒适而快乐”的原因，故用Since引导原因状语从句。故选A。7．B【详解】句意：人生之路从不一帆风顺，因为它充满了起伏。考查连词。though虽然；since因为；while然而；unless除非。根据“Thecourseoflifeneverrunssmoothly...itisfullofupsanddowns.”可知，此空应是since，引导原因状语从句，表示因为人生充满了起伏，所以人生之路从来都不是一帆风顺的。故选B。8．B【详解】句意：生活就像单程赛，所以珍惜每个时刻，因为时光一去不复返。考查连词辨析。so所以；as因为；if如果；unless除非；根据句意，珍惜每个时刻……时光一去不复返，可知此处用as，表示“因为”。故选B。9．D【详解】句意：——据说北京烤鸭很有名，很好吃。——好吧，既然我们在这里，为什么不去餐馆点一些呢？考查连词辨析。unless除非；though尽管；whenever无论何时；since既然。根据“...we’rehere,whynotgototherestaurantandordersome”可知，“我们在这里”是“点餐”的原因，since引导原因状语从句。故选D。10．B【详解】句意：既然大家都到齐了，我们开始开会吧。考查连词辨析。Unless除非；Since既然；Although尽管；When当……时。根据“...everyoneishere,let’sbeginourmeeting.”可知，既然所有人都在这里，那我们开始会议，since符合语境，引导原因状语从句。故选B。11．B【详解】句意：——你为什么喜欢听音乐？——因为它让我感到放松。考查从属连词。Becauseof因为，后跟短语；Because因为，后跟句子；Since既然；As由于。根据“Whydoyoulikelisteningtomusic?”可知，Why提问的特殊疑问句询问原因，需要使用Because回答。故选B。12．A【详解】句意：——你建议我今天穿一件橙色的衬衫，对吗？——是的。因为橙色能给你带来好运，所以它对你的面试有好处。考查连词辨析。As因为；When当……时；If如果；While然而。根据“orangecanbringyougoodluck,itisgoodforyourinterview.”可知，前后两个句子之间是因果关系，所以题空处应填从属连词as。故选A。13．D【详解】句意：由于长途旅行变得越来越困难，许多中国人都爱上了露营。考查连词辨析。until直到；although尽管；unless除非；since因为。根据“long-distancetravelisbecomingmoredifficult.”可知此句和上文之间存在因果关系，用连词since，故选D。14．B【详解】句意：一些学生不得不放弃他们的爱好，因为他们忙于学业。考查连词辨析。while在……期间；because因为；though尽管；until直到……为止。根据“Somestudentshadtogiveuptheirhobbies”可知，学生放弃了爱好，是因为他们忙于学业。故选B。15．D【详解】句意：——印度街头食物可能尝起来有点怪。——嗯，既然我们在这儿，为什么不试一试。考查连词。if如果；although虽然；unless除非；since既然。分析句子可知，横线上的词引导后面的原因状语从句，所以是since。故选D。二、完成句子16．（2023·江苏常州·校考二模）露西昨天缺席了会议，因为她的车抛锚了。Lucyyesterday.17．（2023·江苏常州·常州市北环中学校考一模）既然这个项目很有价值，为何不尽快开展呢？Whydon’tyouitisofgreatvalue?18．（2022·江苏常州·校联考一模）因为Jim犯的错误比其他任何一个学生少，所以老师表扬了他。TheteacherpraisedJim.19．（2022·江苏常州·校考二模）既然这个项目很有价值，为何不尽快开展呢？Whydon’tyou?20．（2017·江苏淮安·统考中考真题）因为太多的工作，昨天晚上我妈妈不得不熬夜。Lastnight,mymotherstayuplatetoomuchwork.16．wasabsentfromthemeetingbecausehercarbrokedown【详解】“缺席”beabsentfrom；“会议”themeeting；“因为”because；“她的车”hercar；“抛锚”breakdown。根据“yesterday”可知用一般过去时。故填wasabsentfromthemeetingbecausehercarbrokedown。17．carryouttheprojectassoonaspossiblesince【详解】carryout“实施，开展”，theproject“这个项目”；assoonaspossible“尽快”；since“既然”，引导原因状语从句，固定句式：Whydon’tyoudosth“你为什么不做某事”，故填carryouttheprojectassoonaspossiblesince。18．becausehemadefewermistakesthananyotherstudent【详解】because“因为”，引导原因状语从句；he“他”，作主语，指代Jim；makefewermistakes“犯更少的错误”，fewer修饰可数名词复数；than“比”；anyotherstudent“其他任何一个学生”，anyother修饰可数名词单数；根据“praised”可知，时态是一般过去时，谓语动词make变为过去式made。故填becausehemadefewermistakesthananyotherstudent。19．carryouttheprojectassoonaspossiblesinceitisofgreatvalue【详解】whydon’tyoudosth“你为什么不做某事”，carryout“开展”，theproject“这个项目”，assoonaspossible“尽快”，since“既然”，beofgreatvalue“很有价值”；根据汉意可知，since引导的原因状语从句为一般现在时，主语为it，be动词用is。故填carryouttheprojectassoonaspossiblesinceitisofgreatvalue。20．hadtobecauseof/becauseshehad/becauseshedid【详解】根据“Lastnight”可知用一般过去时。不得不haveto；因为太多的工作becauseoftoomuchwork/becauseshehadtoomuchwork/becauseshedidtoomuchwork。故填hadto；becauseof/becauseshehad/becauseshedid。三、完形填空（2023·江苏盐城·统考中考真题）阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。ItwasNewYear’sEve.Acoupleweredecoratingtheirroomwhenthemansaidtohiswife,“I’mgladthisyearfinishesinafew21.Whataterribleyearwe’vehad!”Hiswifeaskedhim,“Why?Idon’tunderstand!”Themanwasvery22andreplied,“Youdon’tunderstand?Thinkaboutwhathashappenedthisyear.Firstofall,Ihada(n)23toremovemykidney(肾脏).Remember?Lastmonth,Iturned24andIwastoldtomakeroomforsomeoneyounger.Huh!WhatamIgoingtodonow?Andyousurelyhaven’tforgottenthe25,whichmadeoursonstayinhospitalforthreeweeks,haveyou?Andthatmeanhe26takehisexamstogetintomedicalschool.Andwehadtobuyanewcar.27year!I’msogladit’sover.”Hiswifedidn’tsaymuch.She28theroom.Afewminuteslater,shecamebackinandsaid,“OK,Iheardwhatyousaid,butthisis29Iseethings.Yourkidneyhadbeen30youforyearsandyouwon’thavethatpaineveragain.Nowthatyoudon’thavetogotowork,youcanspendmoretimeinthe31,takingbettercareofyourflowers.Andthatisthe32you’vealwayswanted.Althoughthecarwasdestroyed,oursonstayed33.He’lldoevenbetterinhisexamsnextyearsincehe’sgotmoretimeto34.SoIthinkit’sagoodyear,andthenewonewillstartinafewhours.I’msureit’llbeanothergoodyear.”Wecan’tcontrolthethingsthathappentous,butwecan35howwelookatthem.Whateverhappens,youcanbeoptimisticornot—it’suptoyou.21．A．months B．weeks C．days D．hours22．A．interested B．stressed C．surprised D．touched23．A．ability B．right C．chance D．operation24．A．leave B．change C．continue D．start25．A．car B．exam C．accident D．medicine26．A．couldn’t B．shouldn’t C．mustn’t D．needn’t27．A．Wonderful B．Terrible C．Strange D．Common28．A．wentbackinto B．lookedbackinto C．lookedoutof D．wentoutof29．A．how B．why C．when D．where30．A．protecting B．satisfying C．worrying D．relaxing31．A．garden B．kitchen C．hospital D．school32．A．work B．life C．trip D．gift33．A．calm B．silent C．alive D．alone34．A．play B．study C．sleep D．exercise35．A．copy B．control C．explain D．express21．D22．C23．D24．A25．C26．A27．B28．D29．A30．C31．A32．B33．C34．B35．D【导语】本文讲述了丈夫与妻子对即将过去的一年的不同的看法，由此告诉我们：生活中的一些事情，我们无法控制，但是我们可以控制自己对事物的看法，要乐观向上的生活。21．句意：我很高兴这一年还有几个小时就要结束了。months月份；weeks周；days天；hours小时。根据“ItwasNewYear’sEve.Acoupleweredecoratingtheirroom”以及“andthenewonewillstartinafewhours”可知，在除夕夜应该是还有几个小时就过新年了，过去的一年就要结束了，故选D。22．句意：男人非常惊讶。interested感兴趣的；stressed紧张的，焦虑的；surprised惊讶的；touched感动的。根据“Youdon’tunderstand?Thinkaboutwhathashappenedthisyear.”可知，妻子不懂丈夫说的话，丈夫感到惊讶，故选C。23．句意：首先，我做了一个肾脏切除手术。ability能力；right权力；chance机会；operation手术。根据“toremovemykidney(肾脏)”可知，男子做了手术，故选D。24．句意：上个月，我离职了，被告知要给更年轻的人让位。leave离开；change改变；continue继续；start开始。根据“Iwastoldtomakeroomforsomeoneyounger.”可知，此处是说“离开了工作岗位”，故选A。25．句意：你肯定没有忘记那场事故。car汽车；exam考试；accident事故；medicine药。根据“whichmadeoursonstayinhospitalforthreeweeks”可知，此处指的是“事故”，故选C。26．句意：这意味着他不能参加考试，进入医学院。couldn’t不能；shouldn’t不应该；mustn’t禁止；needn’t不需要。根据“Andthatmeanhe...takehisexamstogetintomedicalschool.”可知，住院了不能参加考试，故选A。27．句意：糟糕的一年！Wonderful精彩的；Terrible糟糕的；Strange奇怪的；Common普通的。根据上文的描述可知，这一年过得很糟糕，故选B。28．句意：她走出房间。wentbackinto重新进入；lookedbackinto回顾，回忆过去；lookedoutof从……朝外看；wentoutof走出。根据“Afewminuteslater,shecamebackinandsaid”可知，妻子走出了房间，故选D。29．句意：好吧，我听到你说的了，但我就是这么看的。how怎样；why为什么；when何时；where哪里。根据“Yourkidneyhadbeen...youforyearsandyouwon’thavethatpaineveragain...”及“howwelookatthem”后文的解释可知，此处是妻子说明自己是如何看待这些事情的，故选A。30．句意：你的肾脏多年来一直让你担心。protecting保护；satisfying满意；worrying担心；relaxing放松。根据“youwon’thavethatpaineveragain.”可知，男子的肾脏多年来一直让他担忧，故选C。31．句意：现在你不用上班了，你可以花更多的时间在花园里，更好地照顾你的花。garden花园；kitchen厨房；hospital医院；school学校。根据“takingbettercareofyourflowers”可知，花应该是长在花园里，故选A。32．句意：这就是你一直想要的生活。work工作；life生活；trip旅行；gift礼物。根据“youdon’thavetogotowork,youcanspendmoretimeinthe...takingbettercareofyourflowers”可知，这是丈夫想要的生活，故选B。33．句意：虽然汽车被毁了，但我们的儿子还活着。calm镇静的；silent沉默的；alive活着的；alone独自。根据“Althoughthecarwasdestroyed,oursonstayed...”可知，事故导致汽车毁了，但是儿子还活着，故选C。34．句意：他明年的考试会考得更好，因为他有更多的时间学习。play玩；study学习；sleep睡觉；exercise锻炼。根据“He’lldoevenbetterinhisexamsnextyearsincehe’sgotmoretimeto...”可知，有更多的时间学习，所以明年会考得更好，故选B。35．句意：我们不能控制发生在我们身上的事情，但我们可以表达我们如何看待它们。copy复制；control控制；explain解释；express表达。根据“Wecan’tcontrolthethingsthathappentous,butwecan...howwelookatthem.”可知，不能控制一些事情的发生，但是可以表达看待它的方式，故选D。四、阅读理解（2023·江苏盐城·统考中考真题）AteamofChinesescientistsandclimbersreachedthetopofQomolangmaatabout12:30p.m.onTuesday,May23.It’sthesecondtimesincelastyearforthescienceexpedition(考察)teamtoreachthetop.Theteamwasmadeupof13Chinesescientistsandclimbers.Theysetoffataheightof8,300metresforthetopatabout3a.m.Aftermorethan8hoursofhardclimbing,theyarrivedatthe8,830-metreweatherstation.Afterfixingsteelropes,changingbatteriesandputtinginwindspeedanddirectionsensors(传感器),theyfinishedimprovingtheworld’shighestautomated(自动化的)weatherstation,whichwassetupbyChinesescientistslastyear.Besides,theycollectedice-snowsamplesonthetopforfurtherresearch.Theweatherstationrecordstemperatures,windspeedsandotherkeydataforstudyingclimatechange.ClimatescientistshavefoundthatglobalwarminghashadalargeinfluenceontheglaciernumberontheQinghai-TibetPlateau(青藏高原).Overthelastfiftyyears,thetemperatureontheQinghai-TibetPlateauhasrisenabout0.5℃everytenyears.Studyingtheecosystem(生态系统)oftheQinghai-TibetPlateauwillhelpscientistshaveabetterunderstandingoftheinfluenceofclimatechange,andhelpscientistsandthegovernmentmakeproperdecisions.Sincethemid-20thcentury,ChinahassentdifferentresearchexpeditionteamstoQomolangma.Butbecauseoflimitedresourcesandtechnologies,manykeyscientificquestionsarestillunanswered,suchaswhetherglobalwarmingcanmelttheiceatthetopofQomolangma,andhowecosystemcanchangeasheightincreasestoextremity.36．HowmanytimeshastheChinesescienceexpeditionteamreachedthetopsincelastyear?A．Once. B．Twice. C．Threetimes. D．Fourtimes.37．Whichparagraphbestdescribesthepicturebelow?A．Paragraph1. B．Paragraph2. C．Paragraph3. D．Paragraph4.38．WhatdoesParagraph5mainlytalkabout?A．Thewayofscientistsstudyingclimatechange.B．Theeffortofgovernmenttosolveclimatechange.C．TheinfluenceofclimatechangeontheQinghai-TibetPlateau.D．TheimportanceofstudyingecosystemoftheQinghai-TibetPlateau.39．Whatcanweknowfromthepassage?A．Theteamsetoffataheightof8,830metresforthetopatabout3a.m.B．Theteamcollectedrocksamplesonthetopforfurtherresearch.C．Chinahassetuptheworld'shighestautomatedweatherstationsofar.D．Allthekeyscientificquestionshavebeenanswereduptonow.36．B37．B38．D39．C【导语】本文主要讲述了中国科学家利用气象站去研究珠穆朗玛峰的气候变化情况以及全球变暖对青藏高原的影响。36．细节理解题。根据“It’sthesecondtimesincelastyearforthescienceexpedition(考察)teamtoreachthetop.”可知，自去年以来，中国科学考察队登顶了两次，故选B。37．推理判断题题。根据图片的展示可知，图片展示的是科学家和登山者到达气象站的情况，与第二段表达的内容一致，故选B。38．段落大意题。根据“Overthelastfiftyyears,thetemperatureontheQinghai-TibetPlateauhasrisenabout0.5℃everytenyears.Studyingtheecosystem(生态系统)oftheQinghai-TibetPlateauwillhelpscientistshaveabetterunderstandingoftheinfluenceofclimatechange,andhelpscientistsandthegovernmentmakeproperdecisions.”可知，本段主要是介绍研究青藏高原的生态系统的重要性，故选D。39．细节理解题。根据“Afterfixingsteelropes,changingbatteriesandputtinginwindspeedanddirectionsensors(传感器),theyfinishedimprovingtheworld’shighestautomated(自动化的)weatherstation,whichwassetupbyChinesescientistslastyear.”可知，到目前为止，中国已经建立了世界上最高的自动化气象站。故选C。五、短文填空（2023·江苏镇江中考真题）根据短文内容及所给首字母提示写出所缺单词，使短文意思完整，每空一词。Atthedinnertable,Westernersuseknivesandforks,whiletheChineseusechopsticks.S40atleast3,000yearsago,chopstickshavebeentheeatingtoolfortheChinesepeople.AncientChineseusedpotterypots(陶罐)tocookfoodduringthePotteryAge.Andtheyusedbranchesorbamboostickstop41upthefood.Lateron,theydevelopedthehabitofusingthechopsticks.Ingeneral,thematerialofchopstickscanbed42intofivegroups:bambooandwood,metal,jade,boneandchemicalplastics.InModernChinesefamilylife,peopleprefertousethebambooorwoodenchopsticksb43theyaregoodfortheenvironmentandcostalittle.Usingknivesandforksorchopsticksbringsaboutadifferencenoto44inlifestyle.Forexample,theuseofknivesandforksmakesitc45forpeopletoeatindividually(分别地).Andtheuseofchopsticksmakesitpossibleforthefamilymemberstohavemealst46.AstheWesternersprefertoeatindividually,theyhavetheideaandhabitofnotd47onothersaftertheygrowintoadults.Thew48thatChinesepeopleusechopsticksandeatwithothersarou