2026年北京市七年级英语第8单元词汇练习题及答案

2026年北京市七年级英语第8单元词汇练习题及答案第1页共1页2026年北京市七年级英语第8单元词汇练习题及答案一、单项选择题（共10小题，每题2分）（每小题只有一个选项符合题意，请把正确选项的字母填在题后括号内）1.Whatisthemainfunctionofalibrary?A.TosellbooksandmagazinesB.ToprovideaplaceforreadingandstudyingC.ToorganizepartiesandeventsD.ToproducemoviesandTVshows参考答案：B2.Whichofthefollowingisarenewableenergysource?A.CoalB.NaturalgasC.SolarenergyD.Nuclearenergy参考答案：C3.WhatisthecapitalcityofFrance?A.LondonB.BerlinC.MadridD.Paris参考答案：D4.Howdoyousay"thankyou"inSpanish?A.GraciasB.SaludosC.HolaD.Adiós参考答案：A5.Whatisthesquarerootof64?A.6B.8C.10D.12参考答案：B6.Whatisthelargestplanetinoursolarsystem?A.EarthB.MarsC.JupiterD.Saturn参考答案：C7.Whatisthechemicalsymbolforwater?A.H₂OB.CO₂C.O₂D.N₂参考答案：A8.Whatisthedifferencebetweenanounandaverb?A.Nounsarepeople,verbsareactionsB.Nounsarethings,verbsareactionsC.Nounsareplaces,verbsaretimesD.Nounsareideas,verbsaresounds参考答案：B9.WhatisthePythagoreantheoremusedfor?A.TofindtheareaofacircleB.TofindthevolumeofacubeC.TofindthelengthofthehypotenuseofarighttriangleD.Tofindtheperimeterofarectangle参考答案：C10.Whatistheprocessofphotosynthesis?A.TheconversionoflightenergyintochemicalenergyB.ThereleaseofoxygenfromwaterC.ThedigestionoffoodinthebodyD.Thecombinationofhydrogenandoxygentoformwater参考答案：A二、填空题（共10小题，每题2分）（请把正确答案直接填写在题中横线上，填写不完整的不得分）1.Please______yourhomeworkbeforewatchingTV.参考答案：finish2.Sheoftenhelpshermother______thehouse.参考答案：clean3.Wewillhaveapicnic______Sundayafternoon.参考答案：on4.Theboyis______interestedinplayingfootballthaninswimming.参考答案：more5.Mysisteris______thanme.参考答案：taller6.Canyoutellmethe______waytothestation?参考答案：best7.Theteacheraskedthestudentsto______theirbooksquietly.参考答案：close8.Idon'tknowifitwillraintomorrow,soIcan't______forsure.参考答案：tell9.Thisisthe______timeIhavevisitedthismuseum.参考答案：first10.Thetrainleavesat9o'clockinthe______.参考答案：morning三、判断题（共10小题，每题2分）（正确的打“√”，错误的打“×”，把判断符号填在题后括号内）1.Thelibraryisnexttothepark.参考答案：√2.Myfavoritesportisbasketball.参考答案：√3.Shegoestoschoolbybikeeveryday.参考答案：√4.WewillhaveapartynextSunday.参考答案：√5.Theteacheraskedustofinishourhomeworkyesterday.参考答案：×6.Heistenyearsoldnow.参考答案：×7.TheyvisitedtheGreatWalllastmonth.参考答案：√8.Thecatissleepingonthesofa.参考答案：√9.IwanttobeadoctorwhenIgrowup.参考答案：√10.Themoviestartsat7p.m.thisevening.参考答案：×四、简答题（共8小题，每题2分）（请分点作答，语言简明、要点齐全，写在对应题目下方的横线上）1.Pleasedescribethemainfeaturesofacitypublicfacilitythatensuressafety.参考答案：Acitypublicfacilityensuringsafetytypicallyincludesfeatureslikesurveillancecameras,well-litpathways,emergencycallboxes,andclearsignageindicatingsafetyinstructions.Itmayalsoincorporatedesignelementsthatdetercrime,suchasadequatelightingandopenspacestoreducehidingspots.2.Howwouldyouarrangethestepsforoperatingapieceofscientificequipmentinalab?参考答案：Operatingstepsforscientificequipmentshouldbearrangedinalogicalsequence:first,preparetheequipmentbycheckingitsconditionandsettingupthenecessaryenvironment;second,followthemanufacturer'sinstructionstoturnonandcalibratethedevice;third,performtheexperimentaccordingtotheprotocol;finally,turnofftheequipmentandcleanuptheworkspace.3.Compareandcontrasttwodifferentmethodsofprotectingtheenvironment,statingwhichyouthinkismoreeffectiveandwhy.参考答案：Twomethodsofprotectingtheenvironmentarerecyclingandusingrenewableenergysources.Recyclingreduceswasteandconservesresources,whilerenewableenergyreducespollutionandgreenhousegasemissions.Ithinkusingrenewableenergyismoreeffectivebecauseitaddressestherootcauseofclimatechangeandprovidesasustainableenergysupply.4.Whatarethetypicalcomponentsofamoderncommunicationdevice?参考答案：Amoderncommunicationdevicetypicallyincludesadisplayscreen,aprocessor,memory,acommunicationmodule(likeWi-Fiorcellular),andinput/outputports(suchasUSBorBluetooth).Itmayalsohaveadditionalfeatureslikeacamera,microphone,andbattery.5.Explainthepurposeofusingaspecifictoolinaconstructionsite.参考答案：Aspecifictoolinconstruction,suchasacrane,isusedforliftingandmovingheavymaterialstohighplaces.Itspurposeistoincreaseefficiency,reducemanuallabor,andenabletheconstructionoftallstructuresthatwouldbedifficultorimpossibletobuildwithoutsuchequipment.6.Describethebasicprocedureforconductingasimplechemicalexperimentinaschoollab.参考答案：Asimplechemicalexperimentinaschoollabtypicallyinvolvespreparingasolution,observingareaction,andrecordingdata.Thebasicprocedureincludesgatheringmaterials,followingsafetyguidelines,mixingchemicalsinthecorrectproportions,andnotinganychangesincolor,temperature,orgasproduction.7.Howdoestheuseoftechnologyinpublictransportationbenefitsociety?参考答案：Technologyinpublictransportationbenefitssocietybyreducingtrafficcongestion,loweringpollutionlevels,andprovidingmoreefficientandaccessibletraveloptions.Italsohelpsinreducingthecarbonfootprintofcommutingandcanleadtoeconomicbenefitsthroughimprovedproductivity.8.Whatshouldbeconsideredwhenchoosingacareerpathinthefieldofscienceandtechnology?参考答案：Choosingacareerpathinscienceandtechnologyshouldconsiderpersonalinterests,educationalrequirements,jobmarketdemand,andpotentialforgrowth.Itisimportanttoalignthecareerchoicewithone'sstrengthsandcareergoals,andtostayupdatedwiththelatestadvancementsinthefield.五、阅读理解题（共8小题，每题3分）（先阅读下面材料，再根据材料内容作答，答案写在对应题目下方的横线上）Thecityparkisapopularplaceforpeopleofallages.Inthemorning,manyelderlypeoplepracticeTaiChiintheopenspace.Youngcouplesoftenwalkhandinhandalongthelakeside.Intheafternoon,childrenplayontheswingsandslides.Theparkalsohasasmallzoowherevisitorscanseevariousanimalslikemonkeys,pandas,andbirds.Thereisacafeneartheentrancethatservescoffee,tea,andsnacks.Theparkiswell-maintainedandprovidesapeacefulenvironmentforrelaxationandrecreation.1.Whatactivitiesdoelderlypeopledointheparkinthemorning?A.PlaybasketballB.PracticeTaiChiC.ReadbooksD.Swiminthelake参考答案：B2.Wheredoyoungcouplesusuallywalk?A.InthezooB.OntheswingsC.AlongthelakesideD.Nearthecafe参考答案：C3.Whatanimalscanvisitorsseeinthesmallzoo?A.LionsandtigersB.Monkeys,pandas,andbirdsC.ElephantsandgiraffesD.Horsesandcows参考答案：B4.Whereisthecafelocated?A.InthemiddleoftheparkB.NeartheentranceC.BythelakeD.Inthezoo参考答案：B5.Whatkindofenvironmentdoestheparkprovide?A.AnoisyandbusyenvironmentB.AquietandpeacefulenvironmentC.AhotandsunnyenvironmentD.Acoldandsnowyenvironment参考答案：B6.Accordingtothepassage,whichofthefollowingisNOTmentionedasanactivityinthepark?A.PlayingontheswingsB.ReadingbooksC.PracticingTaiChiD.Walkingalongthelakeside参考答案：B7.Whatisthemainpurposeofthepark?A.ToprovideaplaceforshoppingB.ToprovideaplaceforrelaxationandrecreationC.ToprovideaplaceforworkingD.Toprovideaplaceforstudying参考答案：B8.Theword"well-maintained"inthepassagemeans:A.VerydirtyB.NottakencareofC.TakengoodcareofD.Veryold参考答案：C标准答案与解析一、单项选择题1.参考答案：B解析：本题考查“城市公共设施与安全”。图书馆的主要功能是提供阅读和学习的地方，因此选项B正确。选项A错误，因为卖书和杂志是书店的功能；选项C错误，因为组织派对和活动是娱乐场所的功能；选项D错误，因为制作电影和电视节目是影视公司的功能。2.参考答案：C解析：本题考查“科技前沿与大国重器”。太阳能是一种可再生能源，而煤炭、天然气和核能都不是可再生能源。因此选项C正确。3.参考答案：D解析：本题考查“地理常识”。法国的首都是巴黎，因此选项D正确。选项A、B、C分别是英国、德国和西班牙的首都。4.参考答案：A解析：本题考查“语言学习”。在西班牙语中，“thankyou”是“Gracias”，因此选项A正确。选项B是“hello”，选项C是“hi”，选项D是“goodbye”。5.参考答案：B解析：本题考查“数学计算”。64的平方根是8，因此选项B正确。选项A、C、D都不正确。6.参考答案：C解析：本题考查“天文学知识”。木星是太阳系中最大的行星，因此选项C正确。选项A、B、D分别是地球、火星和土星。7.参考答案：A解析：本题考查“化学知识”。水的化学符号是H₂O，因此选项A正确。选项B是二氧化碳，选项C是氧气，选项D是氮气。8.参考答案：B解析：本题考查“英语语法”。名词是指人、地方或事物，而动词是指动作或状态，因此选项B正确。选项A、C、D的描述都不准确。9.参考答案：C解析：本题考查“数学几何”。勾股定理用于计算直角三角形的斜边长度，因此选项C正确。选项A、B、D分别是计算圆面积、立方体体积和矩形周长的公式。10.参考答案：A解析：本题考查“生物知识”。光合作用是植物将光能转化为化学能的过程，因此选项A正确。选项B、C、D分别是其他生物过程或化学反应。二、填空题1.参考答案：finish解析：本题考查动词的固定搭配。根据句意“请在看电视前完成作业”，应用动词finish表示“完成”，固定搭配为finishone'shomework。其他选项如do,make,help等均不符合该语境。2.参考答案：clean解析：本题考查动词的固定搭配。根据句意“她经常帮助妈妈做家务”，应用动词clean表示“打扫”，固定搭配为helpsomeonecleanthehouse。其他选项如cook,wash,buy等均不符合该语境。3.参考答案：on解析：本题考查介词的用法。根据句意“我们将在周日下午去野餐”，应用介词on表示“在星期几”，固定搭配为onSunday。其他选项如at,in,before均不符合该语境。4.参考答案：more解析：本题考查形容词比较级的用法。根据句意“这个男孩对踢足球比对游泳更感兴趣”，应用more表示“更”，构成比较级结构。其他选项如less,much,very均不符合该语境。5.参考答案：taller解析：本题考查形容词比较级的用法。根据句意“我姐姐比我高”，应用比较级taller表示“更高的”。其他选项如shorter,older,younger均不符合该语境。6.参考答案：best解析：本题考查形容词最高级的用法。根据句意“你能告诉我去车站的最佳路线吗”，应用最高级best表示“最好的”。其他选项如good,better,worst均不符合该语境。7.参考答案：close解析：本题考查副词的用法。根据句意“老师让学生们安静地合上书”，应用副词close表示“安静地”，修饰动词quietly。其他选项如slowly,quickly,loudly均不符合该语境。8.参考答案：tell解析：本题考查动词的固定搭配。根据句意“我不知道明天是否会下雨，所以我不能确定”，应用动词tell表示“告诉”，固定搭配为tellforsure。其他选项如know,guess,decide均不符合该语境。9.参考答案：first解析：本题考查序数词的用法。根据句意“这是我第一次参观这个博物馆”，应用序数词first表示“第一次”。其他选项如second,third,last均不符合该语境。10.参考答案：morning解析：本题考查名词的固定搭配。根据句意“火车早上9点出发”，应用名词morning表示“早上”，固定搭配为inthemorning。其他选项如afternoon,evening,night均不符合该语境。三、判断题1.参考答案：√解析：本题考查〈方位介词的运用〉。题干中的"nextto"表示“在...旁边”，符合英语中表示位置关系的常见表达，故该陈述句正确。2.参考答案：√解析：本题考查〈名词的复数形式〉。篮球（basketball）是可数名词，表示泛指时应用复数形式，但在此句中"Myfavoritesport"指一项运动，单复数均可，但篮球作为运动项目通常用单数，故该陈述句正确。3.参考答案：√解析：本题考查〈交通方式的表达〉。"gotoschoolbybike"是英语中表示交通方式的固定搭配，意为“骑自行车上学”，符合语法规则，故该陈述句正确。4.参考答案：√解析：本题考查〈将来时态的运用〉。"willhaveaparty"是将来时态的常用表达，表示计划或安排中的未来活动，符合英语语法，故该陈述句正确。5.参考答案：×解析：本题考查〈一般过去时的运用〉。题干中的"yesterday"表示过去的时间，但动词"asked"也是过去时，表示过去发生的动作，时间上不矛盾，但若改为"Theteacheraskedustofinishourhomeworkthedaybeforeyesterday"则更准确，故该陈述句错误。6.参考答案：×解析：本题考查〈现在完成时的概念〉。题干中的"now"表示现在的时间点，但"istenyearsold"是一般现在时，表示年龄，若改为"Hehasbeentenyearsoldforayear"则符合现在完成时，故该陈述句错误。7.参考答案：√解析：本题考查〈过去时态的运用〉。"visited"是过去时态，表示过去发生的动作，"lastmonth"也是过去的时间，时间上不矛盾，符合英语语法，故该陈述句正确。8.参考答案：√解析：本题考查〈现在进行时的运用〉。"issleeping"是现在进行时，表示正在进行的动作，符合英语语法，故该陈述句正确。9.参考答案：√解析：本题考查〈将来的愿望表达〉。"wanttobe"是表达将来愿望的常用结构，符合英语语法，故该陈述句正确。10.参考答案：×解析：本题考查〈时间表达的习惯用法〉。英语中"7p.m."通常表示"seveno'clockintheevening"，但"thisevening"已经包含时间概念，重复使用不自然，改为"Themoviestartsat7p.m.tonight"更符合习惯，故该陈述句错误。四、简答题1.参考答案：Acitypublicfacilityensuringsafetytypicallyincludesfeatureslikesurveillancecameras,well-litpathways,emergencycallboxes,andclearsignageindicatingsafetyinstructions.Itmayalsoincorporatedesignelementsthatdetercrime,suchasadequatelightingandopenspacestoreducehidingspots.解析：本题考查“城市公共设施与安全”。安全设施通常包含监控摄像头、照明良好的通道、紧急呼叫盒和清晰的安全指示标志。设计上应减少犯罪机会，如充足的照明和开阔空间。2.参考答案：Operatingstepsforscientificequipmentshouldbearrangedinalogicalsequence:first,preparetheequipmentbycheckingitsconditionandsettingupthenecessaryenvironment;second,followthemanufacturer'sinstructionstoturnonandcalibratethedevice;third,performtheexperimentaccordingtotheprotocol;finally,turnofftheequipmentandcleanuptheworkspace.解析：本题考查“实验探究与器材操作”。操作步骤需按逻辑顺序排列：准备设备、按说明开启校准、按规程实验、关闭清洁。错误选项可能包括跳过校准步骤或清洁工作。3.参考答案：Twomethodsofprotectingtheenvironmentarerecyclingandusingrenewableenergysources.Recyclingreduceswasteandconservesresources,whilerenewableenergyreducespollutionandgreenhousegasemissions.Ithinkusingrenewableenergyismoreeffectivebecauseitaddressestherootcauseofclimatechangeandprovidesasustainableenergysupply.解析：本题考查“科技前沿与大国重器”。比较两种环保方法，需说明各自作用和优劣。错误选项可能包括未说明具体方法或理由不充分。4.参考答案：Amoderncommunicationdevicetypicallyincludesadisplayscreen,aprocessor,memory,acommunicationmodule(likeWi-Fiorcellular),andinput/outputports(suchasUSBorBluetooth).Itmayalsohaveadditionalfeatureslikeacamera,microphone,andbattery.解析：本题考查“科技前沿与大国重器”。需列举现代通讯设备典型部件。错误选项可能包括遗漏关键部件或包含非通讯设备特征。5.参考答案：Aspecifictoolinconstruction,suchasacrane,isusedforliftingandmovingheavymaterialstohighplaces.Itspurposeistoincreaseefficiency,reducemanuallabor,andenabletheconstructionoftallstructuresthatwouldbedifficultorimpossibletobuildwithoutsuchequipment.解析：本题考查“科技前沿与大国重器”。需说明工具用途和作用。错误选项可能包括描述错误功能或与该工具无关的场景。6.参考答案：Asimplechemicalexperimentinaschoollabtypicallyinvolvespreparingasolution,observingareaction,andrecordingdata.Thebasicprocedureincludesgatheringmaterials,followingsafetyguidelines,mixingchemicalsinthecorrectproportions,andnotinganychangesincolor,temperature,orgasproduction.解析：本题考查“实验探究与器材操作”。需描述基本实验步骤。错误选项可能包括忽略安全或步骤错误。7.参考答案：Technologyinpublictransportationbenefitssocietybyreducingtrafficcongestion,loweringpollutionlevels,andprovidingmoreefficientandaccessibletraveloptions.Italsohelpsinreducingthecarbonfootprintofcommutingandcanleadtoeconomicbenefitsthroughimprovedproductivity.解析：本题考查“科技前沿与大国重器”。需说明科技带来的社会效益。错误选项可能包括未提及具体效益或夸大其词。8.参考答案：Choosingacareerpathinscienceandtechnologyshouldconsiderpersonalinterests,educationalrequirements,jobmarketdemand,andpotentialforgrowth.Itisimportanttoalignthecareerchoicewithone'sstrengthsandcareergoals,andtostayupdatedwiththelatestadvancementsinthefield.解析：本题考查“科技前沿与大国重器”。需考虑个人兴趣、教育要求、市场需求和成长潜力。错误选项可能包括忽略关键因素或给出不切实际的建议。五、阅读理解题1.参考答案：B解析：本题考查〈阅读理解中的细节定位〉。根据材料第一句“Inthemorning,manyelderlypeoplepracticeTaiChiintheopenspace.”可知，早上许多老年人练习太极拳。选项B与