2026年天津市河西区第十中学八年级英语第5单元词汇练习题及答案

2026年天津市河西区第十中学八年级英语第5单元词汇练习题及答案第1页共1页2026年天津市河西区第十中学八年级英语第5单元词汇练习题及答案一、单项选择题（共10小题，每题2分）1.Whatdoes"butterfly"meaninEnglish?A.birdB.fishC.insectD.flower参考答案：C解析：butterfly是英语中“蝴蝶”的意思，属于昆虫类，故选C。Abird是鸟，Bfish是鱼，Dflower是花，都不符合题意。2.Whichwordmeans"towalk"?A.runB.jumpC.swimD.walk参考答案：D解析：walk是英语中“走”的意思，故选D。Arun是跑，Bjump是跳，Cswim是游，都不符合题意。3."Apple"isa______.A.fruitB.vegetableC.meatD.drink参考答案：A解析：apple是英语中“苹果”的意思，属于水果类，故选A。Bvegetable是蔬菜，Cmeat是肉，Ddrink是饮料，都不符合题意。4.Howdoyousay"thankyou"inEnglish?A.sorryB.pleaseC.thankyouD.hello参考答案：C解析：thankyou是英语中“谢谢”的意思，故选C。Asorry是对不起，Bplease是请，Dhello是你好，都不符合题意。5.Whatistheoppositeof"big"?A.smallB.longC.tallD.wide参考答案：A解析：small是英语中“小”的意思，是big的反义词，故选A。Blong是长，Ctall是高，Dwide是宽，都不符合题意。6.Whichwordmeans"blue"?A.redB.greenC.blueD.yellow参考答案：C解析：blue是英语中“蓝色”的意思，故选C。Ared是红色，Bgreen是绿色，Dyellow是黄色，都不符合题意。7."Book"isa______.A.penB.bookC.pencilD.eraser参考答案：B解析：book是英语中“书”的意思，故选B。Apen是笔，Cpencil是铅笔，Deraser是橡皮，都不符合题意。8.Howdoyousay"goodmorning"inEnglish?A.goodeveningB.goodafternoonC.goodmorningD.goodnight参考答案：C解析：goodmorning是英语中“早上好”的意思，故选C。Agoodevening是晚上好，Bgoodafternoon是下午好，Dgoodnight是晚安，都不符合题意。9.Whatisthepluralformof"child"?A.childrenB.childC.kidsD.childes参考答案：A解析：child的复数形式是children，故选A。Bchild是单数形式，Ckids是孩子们，Dchildes是错误的拼写，都不符合题意。10.Whichwordmeans"happy"?A.sadB.angryC.happyD.tired参考答案：C解析：happy是英语中“快乐”的意思，故选C。Asad是悲伤，Bangry是生气，Dtired是累，都不符合题意。二、填空题（共10小题，每题2分）1.Thenewbookisvery______.Ittellsaboutthelifeofafamousscientist.参考答案：interesting解析：本题考查形容词辨析。根据句意“这本新书很有趣。它讲述了一位著名科学家的生活。”，应选interesting，意为“有趣的”。其他选项如amazing“惊人的”，fascinating“迷人的”，boring“无聊的”均不符合句意。2.Mysisterisgoodatplayingthepiano.Sheoftenpracticesfor______hourseveryday.参考答案：two解析：本题考查数字表达。根据句意“我妹妹擅长弹钢琴。她每天经常练习两小时。”，应填序数词two，表示“两”。其他如one“一”，three“三”，four“四”等数字均不符合练习时长。3.WearegoingtovisittheGreatWallnextmonth.Itisoneofthe______intheworld.参考答案：wonders解析：本题考查名词复数。根据句意“我们下个月要去参观长城。它是世界上的一大奇迹。”，此处指多个奇迹，应填wonders（复数形式），意为“奇迹”。其他如treasures“宝藏”，buildings“建筑物”，sceneries“风景”等均不符合语境。4.Theteacheraskedustofinishourhomework______.Don'tbelate.参考答案：ontime解析：本题考查短语辨析。根据句意“老师要求我们按时完成作业。不要迟到。”，应填ontime，意为“准时”。其他如early“早”，late“晚”，soon“很快”等均不符合要求。5.Iliketoreadbooks.Readingcanhelpmelearnmore______.参考答案：knowledge解析：本题考查名词辨析。根据句意“我喜欢读书。读书可以帮助我学习更多知识。”，应选knowledge，意为“知识”。其他如information“信息”，ideas“想法”，words“单词”等均不符合句意。6.Myfatherisadoctor.Heworksina______hospital.参考答案：general解析：本题考查形容词辨析。根据句意“我父亲是一名医生。他在一家综合医院工作。”，应选general，意为“综合的”。其他如private“私人的”，public“公共的”，hospitals“医院的”等均不符合句意。7.Thecatissleepingonthe______.Itlooksverycomfortable.参考答案：mat解析：本题考查名词辨析。根据句意“猫正在垫子上睡觉。它看起来非常舒服。”，应填mat，意为“垫子”。其他如bed“床”，chair“椅子”，sofa“沙发”等均不符合语境。8.Weshouldprotecttheenvironment.Wecanrecyclepapertosave______.参考答案：trees解析：本题考查名词复数。根据句意“我们应该保护环境。我们可以回收纸来节约树木。”，此处指多种树木，应填trees（复数形式），意为“树木”。其他如water“水”，energy“能源”，plants“植物”等均不符合语境。9.Themoviestartsat7p.m.Pleasearriveatthecinema______.参考答案：early解析：本题考查副词辨析。根据句意“电影晚上7点开始。请早点到达电影院。”，应填early，意为“早”。其他如late“晚”，soon“很快”，late“晚”等均不符合要求。10.Thisismy______.It'sabeautifulpresentfrommyfriend.参考答案：birthday解析：本题考查名词辨析。根据句意“这是我的生日。这是我的朋友送给我的一个漂亮的礼物。”，应填birthday，意为“生日”。其他如Christmas“圣诞节”，NewYear“新年”，Anniversary“周年纪念”等均不符合句意。三、判断题（共10小题，每题2分）1.Theword"hobby"referstoaregularactivitythatsomeonedoesintheirsparetimeforpleasure.参考答案：√解析：Theword"hobby"indeedreferstoaregularactivitythatsomeonedoesintheirsparetimeforpleasure.Thisdefinitionaccuratelycapturestheessenceofwhatahobbyis,asitinvolvesengaginginanactivityoutofpersonalinterestandenjoymentduringfreetime.2.Ifyou"borrow"somethingfromsomeone,youtakeitwiththeintentionofgivingitbacklater.参考答案：√解析：Theverb"borrow"meanstotakesomethingfromsomeonewiththeintentionofreturningitatalatertime.ThisisacommonusageofthewordandiswidelyunderstoodinEnglish-speakingcontexts.3."Actually"isawordusedtoshowthatwhatyouaresayingisdifferentfromwhatwassaidbefore.参考答案：√解析："Actually"isusedtoindicatethatwhatisbeingsaidiscontrarytowhatwaspreviouslystatedortoprovideadditionalinformationthatmayberelevant.Itisawordthathelpstoclarifyorcorrectastatement.4.Thepasttenseof"watch"is"watched"becauseitendsinconsonant+y.参考答案：×解析：Thepasttenseof"watch"is"watched,"butthisisnotbecauseitendsinconsonant+y.Instead,"watch"isanirregularverb,anditspasttenseformdoesnotfollowthetypicalpatternofadding"-ed"tothebaseform.5."Excuseme"isapolitewaytogetsomeone'sattentionortoapologizeforasmallmistake.参考答案：√解析："Excuseme"isapolitephraseusedtogetsomeone'sattention,toapologizeforaminorinconvenience,ortointroduceoneself.ItisacommonandpoliteexpressioninEnglish.6.Theword"interest"canmeanafeelingofwantingtoknoworlearnaboutsomething.参考答案：√解析："Interest"canindeedmeanafeelingofcuriosityoradesiretolearnmoreaboutsomething.Thisisoneofthemeaningsoftheword"interest,"especiallywhenusedinthecontextofeducationorpersonalengagement.7."Thankyouverymuch"isamoreformalwayofsaying"Thanks"than"Thankyou."参考答案：×解析："Thankyouverymuch"isamoreformalwayofexpressinggratitudecomparedto"Thanks."Whilebothareusedtoshowappreciation,"Thankyouverymuch"ismoreformalandistypicallyusedinmoreseriousorformalsituations.8.Theverb"togo"isanirregularverb,soitspastsimpleformis"went."参考答案：√解析："Togo"isanirregularverbinEnglish,anditspastsimpleformis"went."ThisisoneoftheirregularverbsinEnglishthatdoesnotfollowthestandardruleofadding"-ed"toformthepasttense.9."Myfavoritesportisbasketball"isacompletesentencebecauseithasasubjectandaverb.参考答案：√解析："Myfavoritesportisbasketball"isacompletesentencebecauseithasasubject("Myfavoritesport")andaverb("is").Italsoexpressesacompletethought,makingitagrammaticallycorrectsentence.10.Theword"library"isanoun,anditreferstoaplacewherebooksandothermaterialsarekeptforpeopletoreadorborrow.参考答案：√解析："Library"isindeedanoun,anditreferstoaplacewherebooks,periodicals,andothermaterialsarekeptforpeopletoread,study,orborrow.ThisisthestandarddefinitionofalibraryinEnglish.四、简答题（共8小题，每题2分）1.Pleasebrieflydescribethemeaningandusageoftheword"interest".参考答案：Interestreferstoafeelingofcuriosityorconcernaboutsomething,ortherateatwhichmoneygrowsovertime.Itcanbeusedtodescribeaperson'senthusiasmforaparticularsubjectoractivity,ortoindicatethepercentagechargedonaloanorearnedonaninvestment.解析：本题考查词汇理解和应用能力。Interest作为名词，可以表示“兴趣、关注”，如interestinscience（对科学的兴趣）；也可以表示“利息”，如interestrate（利率）。学生需要结合语境理解其不同含义，并能够用简短的语言进行描述。答案中涵盖了interest的两个主要含义，并给出了相应的例句，符合题目要求。2.Howwouldyoudefinetheterm"population"inthecontextofgeography?参考答案：Populationingeographyreferstothenumberofpeoplelivinginaparticulararea,suchasacity,country,orregion.Itisanimportantfactorinstudyinghumansettlementpatterns,resourcedistribution,andenvironmentalimpact.解析：本题考查地理学基础词汇的理解。Population在地理学中指“人口数量”，是研究人类聚落、资源分布、环境影响等的重要因素。答案中准确描述了population在地理学中的含义，并指出了其在研究中的重要性，符合题目要求。3.CanyoulistthreemainfunctionsoftheUnitedNations?参考答案：TheUnitedNationshasthreemainfunctions:maintaininginternationalpeaceandsecurity,developingfriendlyrelationsamongnations,andachievinginternationalco-operation.解析：本题考查对联合国基本职能的了解。联合国的主要职能包括维护国际和平与安全、促进国家间友好关系、实现国际合作。答案中准确列出了联合国的三大职能，符合题目要求。4.Explainthedifferencebetween"accept"and"except".参考答案：Theword"accept"meanstoreceiveoragreetosomething,while"except"meanstoexcludeorleaveoutsomething.Forexample,Iacceptyourinvitation,butIexceptMondaybecauseIhaveameeting.解析：本题考查对易混淆词汇的辨析。Accept意为“接受、同意”，如acceptagift（接受礼物）；Except意为“除…之外”，如exceptforoneerror（除一个错误之外）。答案中准确区分了两个词汇的含义，并给出了例句，符合题目要求。5.WhatisthesignificanceoftheGreatWalltoChinesehistory?参考答案：TheGreatWallissignificanttoChinesehistoryasasymbolofthecountry'slonghistory,culturalidentity,andnationalunity.ItalsorepresentstheChinesepeople'scourageanddeterminationtodefendtheirhomeland.解析：本题考查对中国历史文化遗产的理解。长城在中国历史上具有重要意义，是中华民族历史、文化认同和民族统一的象征，也体现了中国人民的勇气和决心。答案中涵盖了长城的历史、文化和国民精神层面的意义，符合题目要求。6.Describethebasicstructureofaplantcell.参考答案：Aplantcellhasseveralbasicstructures:thecellwall,whichprovidessupportandprotection;thecellmembrane,whichcontrolswhatentersandleavesthecell;thenucleus,whichcontainsthecell'sDNA;chloroplasts,whichcarryoutphotosynthesis;andthemitochondria,whichproduceenergyforthecell.解析：本题考查植物细胞的基本结构。植物细胞的主要结构包括细胞壁、细胞膜、细胞核、叶绿体和线粒体，分别承担不同的功能。答案中准确列出了植物细胞的主要结构及其功能，符合题目要求。7.Whyisitimportanttoprotectendangeredspecies?参考答案：Protectingendangeredspeciesisimportantbecauseithelpsmaintainbiodiversity,whichisessentialforthehealthofecosystems.Endangeredspeciesalsohavecultural,scientific,andeconomicvalue,andtheirlosscanhavelong-termnegativeimpactsontheenvironmentandhumansociety.解析：本题考查对保护濒危物种重要性的理解。保护濒危物种有助于维持生物多样性，这对生态系统健康至关重要；濒危物种还具有文化、科学和经济价值，其丧失会对环境和人类社会产生长期负面影响。答案中涵盖了生物多样性、文化价值、科学价值和经济价值等多个方面，符合题目要求。8.Howdoesthewatercycleworkinnature?参考答案：Thewatercycleworksthroughseveralsteps:evaporation,condensation,precipitation,andcollection.WaterevaporatesfromthesurfaceoftheEarth,risesintotheatmosphere,condensesintoclouds,andthenfallsbacktotheEarthasprecipitation(rain,snow,etc.).Thewatercollectsinbodiesofwaterandthecyclerepeats.解析：本题考查对水循环过程的理解。水循环包括蒸发、凝结、降水和收集四个步骤：水从地球表面蒸发，上升到大气层，凝结成云，然后以降水（雨、雪等）形式落回地球，水收集在水中体，循环重复。答案中准确描述了水循环的各个步骤，符合题目要求。五、应用题（共8小题，每题4分）1.Youareorganizingaschoolparty.Thereare45studentsinyourclass.Youneedtobuyjuiceboxesforeveryone.Eachboxcontains6juicedrinks.Howmanyjuiceboxesdoyouneedtobuy?Showyourcalculation.参考答案：8juiceboxes解析：Tofindouthowmanyjuiceboxesareneeded,dividethetotalnumberofstudentsbythenumberofjuicedrinksperbox.Calculation:45students÷6juicedrinks/box=7.5boxes.Sinceyoucannotbuyhalfabox,youneedtorounduptothenearestwholenumber.Therefore,youneedtobuy8juiceboxes.2.YourfriendTomwantstolearnhowtomakeasandwich.Heasksyouforhelp.Writeashortparagraph(atleast5sentences)explainingthestepstomakeasimplesandwichusingbread,ham,andcheese.参考答案：Iwillexplainthestepstomakeasimplesandwich.First,taketwoslicesofbread.Second,placehamslicesononesliceofbread.Third,addcheeseslicesontopoftheham.Fourth,coverthesandwichwiththesecondsliceofbread.Fifth,pressgentlytoholdthesandwichtogether.Enjoyyoursandwich!解析：Thisquestionrequiresstudentstowriteashortparagraphexplaininghowtomakeasandwich.Theanswershouldincludeclearstepsandusesimplelanguage.Theparagraphshouldbeatleast5sentenceslongtoensurestudentspracticewritingandexplaining.3.Thereare30booksonashelfintheschoollibrary.12ofthebooksarefiction,andtherestarenon-fiction.Whatfractionofthebooksarenon-fiction?Explainyouranswer.参考答案：3/5解析：Tofindthefractionofnon-fictionbooks,firstdeterminethenumberofnon-fictionbooks.Calculation:Totalbooks-fictionbooks=non-fictionbooks.Calculation:30books-12books=18books.Then,dividethenumberofnon-fictionbooksbythetotalnumberofbooks.Calculation:18books÷30books=3/5.Therefore,3/5ofthebooksarenon-fiction.4.Yourclassisgoingonafieldtriptothezoo.Thetotalcostforthetripis200.Thereare25studentsinyourclass.Howmuchdoeseachstudentneedtopay?Showyourcalculation.参考答案：8解析：Tofindouthowmucheachstudentneedstopay,dividethetotalcostbythenumberofstudents.Calculation:200÷25students=8perstudent.Therefore,eachstudentneedstopay8.5.TranslatethefollowingsentenceintoEnglish:"我们每天都要学习新的东西。"Useatleast5wordsfromthe5thunitvocabularylist.参考答案：Weneedtolearnnewthingseveryday.解析：ThisquestionrequiresstudentstotranslateaChinesesentenceintoEnglishusingatleast5wordsfromthe5thunitvocabularylist.Thecorrecttranslationshouldbe"Weneedtolearnnewthingseveryday."Studentsshouldensuretheyuseappropriatevocabularyandgrammar.6.Yourteacherasksyoutodrawadiagramshowingthepartsofaplant.Labelatleastfivepartsoftheplantcorrectly.Writeashortparagraph(atleast3sentences)explainingthefunctionoftheroots.参考答案：Diagram:Roots,stem,leaves,flowers,seeds.Paragraph:Therootsofaplantareimportantbecausetheyanchortheplantinthesoilandabsorbwaterandnutrients.Theyhelptheplantgrowstrongandhealthy.Withoutroots,theplantwouldnotbeabletosurvive.解析：Thisquestionrequiresstudentstodrawadiagramandwriteashortparagraph.Thediagramshouldlabelatleastfivepartsoftheplantcorrectly.Theparagraphshouldexplainthefunctionoftheroots.Theanswershouldbeclearandconcise,usingsimplelanguage.7.Youhaveabagofmarbles.Thereare10redmarbles,8bluemarbles,and7greenmarbles.Whatfractionofthemarblesareblue?Explainyouranswer.参考答案：4/25解析：Tofindthefractionofbluemarbles,dividethenumberofbluemarblesbythetotalnumberofmarbles.Calculation:8bluemarbles÷(10redmarbles+8bluemarbles+7greenmarbles)=8÷25=4/25.Therefore,4/25ofthemarblesareblue.8.Yourschoolishavingacharityevent.Youneedtomakeposterstoadvertisetheevent.Writeashortparagraph(atleast5sentences)describingtheeventandencouragingpeopletoparticipate.Useatleast3wordsfromthe5thunitvocabularylist.参考答案：Ourschoolishavingacharityeventtoraisemoneyforthelocalcommunity.Theeventwillincludeafunfair,asilentauction,andaraffle.Weencourageeveryonetoparticipatetohelpthoseinneed.Yoursupportwillmakeabigdifference.Joinusandmakeadifference!解析：Thisquestionrequiresstudentstowriteashortparagraphdescribingacharityeventandencouragingpeopletoparticipate.Theparagraphshouldincludeatleast3wordsfromthe5thunitvocabularylist.Theanswershouldbeengagingandpersuasive,usingappropriatelanguageandstructure.标准答案与解析一、单项选择题1.参考答案：C解析：butterfly是英语中“蝴蝶”的意思，属于昆虫类，故选C。Abird是鸟，Bfish是鱼，Dflower是花，都不符合题意。2.参考答案：D解析：walk是英语中“走”的意思，故选D。Arun是跑，Bjump是跳，Cswim是游，都不符合题意。3.参考答案：A解析：apple是英语中“苹果”的意思，属于水果类，故选A。Bvegetable是蔬菜，Cmeat是肉，Ddrink是饮料，都不符合题意。4.参考答案：C解析：thankyou是英语中“谢谢”的意思，故选C。Asorry是对不起，Bplease是请，Dhello是你好，都不符合题意。5.参考答案：A解析：small是英语中“小”的意思，是big的反义词，故选A。Blong是长，Ctall是高，Dwide是宽，都不符合题意。6.参考答案：C解析：blue是英语中“蓝色”的意思，故选C。Ared是红色，Bgreen是绿色，Dyellow是黄色，都不符合题意。7.参考答案：B解析：book是英语中“书”的意思，故选B。Apen是笔，Cpencil是铅笔，Deraser是橡皮，都不符合题意。8.参考答案：C解析：goodmorning是英语中“早上好”的意思，故选C。Agoodevening是晚上好，Bgoodafternoon是下午好，Dgoodnight是晚安，都不符合题意。9.参考答案：A解析：child的复数形式是children，故选A。Bchild是单数形式，Ckids是孩子们，Dchildes是错误的拼写，都不符合题意。10.参考答案：C解析：happy是英语中“快乐”的意思，故选C。Asad是悲伤，Bangry是生气，Dtired是累，都不符合题意。二、填空题1.参考答案：interesting解析：本题考查形容词辨析。根据句意“这本新书很有趣。它讲述了一位著名科学家的生活。”，应选interesting，意为“有趣的”。其他选项如amazing“惊人的”，fascinating“迷人的”，boring“无聊的”均不符合句意。2.参考答案：two解析：本题考查数字表达。根据句意“我妹妹擅长弹钢琴。她每天经常练习两小时。”，应填序数词two，表示“两”。其他如one“一”，three“三”，four“四”等数字均不符合练习时长。3.参考答案：wonders解析：本题考查名词复数。根据句意“我们下个月要去参观长城。它是世界上的一大奇迹。”，此处指多个奇迹，应填wonders（复数形式），意为“奇迹”。其他如treasures“宝藏”，buildings“建筑物”，sceneries“风景”等均不符合语境。4.参考答案：ontime解析：本题考查短语辨析。根据句意“老师要求我们按时完成作业。不要迟到。”，应填ontime，意为“准时”。其他如early“早”，late“晚”，soon“很快”等均不符合要求。5.参考答案：knowledge解析：本题考查名词辨析。根据句意“我喜欢读书。读书可以帮助我学习更多知识。”，应选knowledge，意为“知识”。其他如information“信息”，ideas“想法”，words“单词”等均不符合句意。6.参考答案：general解析：本题考查形容词辨析。根据句意“我父亲是一名医生。他在一家综合医院工作。”，应选general，意为“综合的”。其他如private“私人的”，public“公共的”，hospitals“医院的”等均不符合句意。7.参考答案：mat解析：本题考查名词辨析。根据句意“猫正在垫子上睡觉。它看起来非常舒服。”，应填mat，意为“垫子”。其他如bed“床”，chair“椅子”，sofa“沙发”等均不符合语境。8.参考答案：trees解析：本题考查名词复数。根据句意“我们应该保护环境。我们可以回收纸来节约树木。”，此处指多种树木，应填trees（复数形式），意为“树木”。其他如water“水”，energy“能源”，plants“植物”等均不符合语境。9.参考答案：early解析：本题考查副词辨析。根据句意“电影晚上7点开始。请早点到达电影院。”，应填early，意为“早”。其他如late“晚”，soon“很快”，late“晚”等均不符合要求。10.参考答案：birthday解析：本题考查名词辨析。根据句意“这是我的生日。这是我的朋友送给我的一个漂亮的礼物。”，应填birthday，意为“生日”。其他如Christmas“圣诞节”，NewYear“新年”，Anniversary“周年纪念”等均不符合句意。三、判断题1.参考答案：√解析：Theword"hobby"indeedreferstoaregularactivitythatsomeonedoesintheirsparetimeforpleasure.Thisdefinitionaccuratelycapturestheessenceofwhatahobbyis,asitinvolvesengaginginanactivityoutofpersonalinterestandenjoymentduringfreetime.2.参考答案：√解析：Theverb"borrow"meanstotakesomethingfromsomeonewiththeintentionofreturningitatalatertime.ThisisacommonusageofthewordandiswidelyunderstoodinEnglish-speakingcontexts.3.参考答案：√解析："Actually"isusedtoindicatethatwhatisbeingsaidiscontrarytowhatwaspreviouslystatedortoprovideadditionalinformationthatmayberelevant.Itisawordthathelpstoclarifyorcorrectastatement.4.参考答案：×解析：Thepasttenseof"watch"is"watched,"butthisisnotbecauseitendsinconsonant+y.Instead,"watch"isanirregularverb,anditspasttenseformdoesnotfollowthetypicalpatternofadding"-ed"tothebaseform.5.参考答案：√解析："Excuseme"isapolitephraseusedtogetsomeone'sattention,toapologizeforaminorinconvenience,ortointroduceoneself.ItisacommonandpoliteexpressioninEnglish.6.参考答案：√解析："Interest"canindeedmeanafeelingofcuriosityoradesiretolearnmoreaboutsomething.Thisisoneofthemeaningsoftheword"interest,"especiallywhenusedinthecontextofeducationorpersonalengagement.7.参考答案：×解析："Thankyouverymuch"isamoreformalwayofexpressinggratitudecomparedto"Thanks."Whilebothareusedtoshowappreciation,"Thankyouverymuch"ismoreformalandistypicallyusedinmoreseriousorformalsituations.8.参考答案：√解析："Togo"isanirregularverbinEnglish,anditspastsimpleformis"went."ThisisoneoftheirregularverbsinEnglishthatdoesnotfollowthestandardruleofadding"-ed"toformthepasttense.9.参考答案：√解析："Myfavoritesportisbasketball"isacompletesentencebecauseithasasubject("Myfavoritesport")andaverb("is").Italsoexpressesacompletethought,makingitagrammaticallycorrectsentence.10.参考答案：√解析："Library"isindeedanoun,anditreferstoaplacewherebooks,periodicals,andothermaterialsarekeptforpeopletoread,study,orborrow.ThisisthestandarddefinitionofalibraryinEnglish.四、简答题1.参考答案：Interestreferstoafeelingofcuriosityorconcernaboutsomething,ortherateatwhichmoneygrowsovertime.Itcanbeusedtodescribeaperson'senthusiasmforaparticularsubjectoractivity,ortoindicatethepercentagechargedonaloanorearnedonaninvestment.解析：本题考查词汇理解和应用能力。Interest作为名词，可以表示“兴趣、关注”，如interestinscience（对科学的兴趣）；也可以表示“利息”，如interestrate（利率）。学生需要结合语境理解其不同含义，并能够用简短的语言进行描述。答案中涵盖了interest的两个主要含义，并给出了相应的例句，符合题目要求。2.参考答案：Populationingeographyreferstothenumberofpeoplelivinginaparticulararea,suchasacity,country,orregion.Itisanimportantfactorinstudyinghumansettlementpatterns,resourcedistribution,andenvironmentalimpact.解析：本题考查地理学基础词汇的理解。Population在地理学中指“人口数量”，是研究人类聚落、资源分布、环境影响等的重要因素。答案中准确描述了population在地理学中的含义，并指出了其在研究中的重要性，符合题目要求。3.参考答案：TheUnitedNationshasthreemainfunctions:maintaininginternationalpeaceandsecurity,developingfriendlyrelationsamongnations,andachievinginternationalco-operation.解析：本题考查对联合国基本职能的了解。联合国的主要职能包括维护国际和平与安全、促进国家间友好关系、实现国际合作。答案中准确列出了联合国的三大职能，符合题目要求。4.参考答案：Theword"accept"meanstoreceiveoragreetosomething,while"except"meanstoexcludeorleaveoutsomething.Forexample,Iacceptyourinvitation,butIexceptMondaybecauseIhaveameeting.解析：本题考查对易混淆词汇的辨析。Accept意为“接受、同意”，如acceptagift（接受礼物）；Except意为“除…之外”，如exceptforoneerror（除一个错误之外）。答案中准确区分了两个词汇的含义，并给出了例句，符合题目要求。5.参考答案：TheGreatWallissignificanttoChinesehistoryasasymbolofthecountry'slonghistory,culturalidentity,andnationalunity.ItalsorepresentstheChinesepeople'scourageanddeterminationtodefendtheirhomeland.解析：本题考查对中国历史文化遗产的理解。长城在中国历史上具有重要意义，是中华民族历史、文化认同和民族统一的象征，也体现了中国人民的勇气和决心。答案中涵盖了长城的历史、文化和国民精神层面的意义，符合题目要求。6.参考答案：Aplantcellhasseveralbasicstructures:thecellwall,whichprovidessupportandprotection;thecellmembrane,whichcontrolswhatentersandleavesthecell;thenucleus,whichcontainsthecell'sDNA;chloroplasts,whichcarryoutphotosynthesis;andthemitochondria,whichproduceenergyforthecell.解析：本题考查植物细胞的基本结构。植物细胞的主要结构包括细胞壁、细胞膜、细胞核、叶绿体和线粒体，分别承担不同的功能。答案中准确列出了植物细胞的主要结构及其功能，符合题目要求。7.参考答案：Protectingendangeredspeciesisimportantbecauseithelpsmaintainbiodiversity,whichisessentialforthehealthofecosystems.Endangeredspeciesalsohavecultural,scientific,andeconomicvalue,andtheirlosscanhavelong-termnegativeimpactsontheenvironmentandhumansociety.解析：本题考查对保护濒危物种重要性的理解。保护濒危物种有助于维持生物多样性，这对生态系统健康至关重要；濒危物种还具有文化、科学和经济价值，其丧失会对环境和人类社会产生长期负面影响。答案中涵盖了生物多样性、文化价值、科学价值和经济价值等多个方面，符合题目要求。8.参考答案：Thewatercycleworksthroughseveralsteps:evaporation,condensation,precipitation,andcollection.WaterevaporatesfromthesurfaceoftheEarth,risesintotheatmosphere,condensesintoclouds,andthenfallsbacktotheEarthasprecipitation(rain,snow,etc.).Thewatercollectsinbodiesofwaterandthecyclerepeats.解析：本题考查对水循环过程的理解。水循环包括蒸发、凝结、降水和收集四个步骤：水从地球表面蒸发，上升到大气层，凝结成云，然后以降水（雨、雪等）形式落回地球，水收集在水中体，循环重复。答案中准确描述了水循环的各个步骤，符合题目要求。五、应用题1.参考答案：8juiceboxes解析：Tofindouthowmanyjuiceboxesareneeded,dividethetotalnumberofstudentsbythenumberofjuicedrinksperbox.Calculation:45students÷6juicedrinks/box=7.5boxes.Sinceyoucannotbuyhalfabox,youneedtorounduptothenearestwholenumber.Therefore,youneedtobuy8juiceboxes.2.参考答案：Iwillexplainthestepstomakeasimplesandwich.First,taketwoslicesofbread.Second,placehamslicesononesliceofbread.Third,addcheeseslicesontopoftheham.Fourth,coverthesandwichwiththesecondsliceofbread.Fifth,pressgentlytoholdthesandwicht