2026年广西壮族自治区部编版初中八年级英语上册第3单元课后练习题

2026年广西壮族自治区部编版初中八年级英语上册第3单元课后练习题一、单项选择题（每题2分，共20分）1.AccordingtothepassageinUnit3,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.解析：本题考查学生对单元主题“Whydopeoplechoosecertainsubjects?”的理解。正确答案为B，因为单元文章强调科学学科能帮助学生更好地理解世界，这与单元核心内容一致。选项A、C、D虽然可能是部分学生的真实想法，但并非文章主旨。2.Whatdoestheunderlinedword"passion"meaninthesentence"Shehasapassionforlearningscience"fromthetext?A.AdislikeforsomethingB.AstronginterestinsomethingC.AfearofsomethingD.Askillinsomething解析：本题考查词汇理解能力。根据单元词汇部分，“passion”意为“热情、热爱”，与B选项意思一致。干扰项A（厌恶）、C（恐惧）、D（技能）均与词义不符。3.Accordingtotheadviceinthereadingpassage,whichofthefollowingisNOTagoodwaytoimproveyourstudyhabits?A.Makeastudyscheduleandfollowiteveryday.B.Alwaysstudywithyourbestfriendstokeepyoumotivated.C.Takeshortbreaksduringstudytokeepyourmindfresh.D.Reviewwhatyoulearnedyesterdaybeforegoingtobed.解析：本题考查对阅读信息的筛选能力。正确答案为B，因为文章建议根据个人情况选择学习伙伴，而非“总是”与最好朋友一起学习。其他选项均为有效学习方法。4.Howdoesthepassagedescribetheroleofcuriosityinlearningscience?A.Curiosityisjustafeelingthatdoesn’thelpmuch.B.Curiositycanleadtoquestionsandfurtherexploration.C.Curiositymakessciencesubjectshardertounderstand.D.Curiosityisonlyimportantforstudentswholovescience.解析：本题考查对文章细节的理解。正确答案为B，单元文章明确指出好奇心能引发问题并促进探索。选项A、C、D均与文章观点相反。5.WhatisthebesttitleforthepassageinUnit3aboutchoosingsubjects?A.TheMostPopularSubjectsinSchoolsB.WhyScienceSubjectsAreImportantC.HowtoChooseYourFavoriteSubjectsD.TheFutureofScienceandTechnology解析：本题考查对文章主旨的概括能力。正确答案为C，文章围绕如何选择学科展开讨论。其他选项或过于片面（A、B），或超出文章范围（D）。6.Accordingtothetext,whatshouldstudentsdoiftheyfindasubjectdifficult?A.Giveupthesubjectimmediately.B.Asktheirclassmatesforhelp.C.Ignorethedifficultyandkeepstudying.D.Onlystudyharderwithoutanychangeinmethod.解析：本题考查对建议的理解。正确答案为B，文章建议寻求帮助而非放弃或盲目努力。干扰项A、C、D均非文章推荐做法。7.Thepassagementions"timemanagementskills"asimportantforstudying.Whatdoesthisphrasemainlyreferto?A.Theabilitytomemorizealotofinformationquickly.B.Theabilitytouseyourtimeeffectivelyforstudy.C.Theabilitytofinishhomeworkintheshortesttime.D.Theabilitytostudywithoutanybreaks.解析：本题考查对概念的理解。正确答案为B，时间管理技能的核心是高效利用时间。选项A（死记硬背）、C（速度）、D（无休息）均与定义不符。8.Whatdoestheauthorofthepassagethinkaboutchoosingsubjectsbasedonfuturejobopportunities?A.Itistheonlyreasontochoosesubjects.B.Itisapossiblereasonbutnotthemostimportantone.C.Itisnotagoodideaatall.D.Itisthebestwaytochoosesubjectsforeveryone.解析：本题考查对作者观点的判断。正确答案为B，文章承认未来就业是考虑因素之一，但强调兴趣更重要。其他选项过于绝对化。9.Accordingtotheadviceinthepassage,whatshouldstudentsdoafterfinishingtheirhomework?A.Playvideogamestorelaximmediately.B.Reviewtheday’slessonstoreinforcetheirmemory.C.Startdoingthenextday’shomeworkearly.D.Sleepassoonaspossibletosavetime.解析：本题考查对建议的细节理解。正确答案为B，文章建议复习当天内容。干扰项A、C、D均非文章建议。10.Whatisthemaindifferencebetweenthesubjectsmentionedinthepassage?A.Someareeasier,andsomeareharder.B.Somearemoreusefulforthefuture,andsomearenot.C.Someareaboutscience,andsomeareaboutart.D.Somearemoreinterestingtosomestudents,andsomearenot.解析：本题考查对文章内容的归纳。正确答案为D，文章强调不同学生兴趣不同。选项A、B、C虽然部分正确，但并非文章核心观点。二、填空题（每空2分，共20分）1.Thepassagesuggeststhatgoodstudyhabitscanhelpstudents______betterinallsubjects.2.Accordingtothetext,curiosityisthekeyto______inlearning.3.IfyouwanttoimproveyourEnglish,youshould______moreeveryday.4.Thereadingpassageadvisesstudentstomakea______toplantheirstudytime.5.Manystudentschoosesciencesubjectsbecausetheywantto______theworldbetter.6.Timemanagementskillshelpstudents______theirstudytimeeffectively.7.Thepassagementionsthatsomestudentsfindmathdifficultbecausetheydon’t______itwell.8.Accordingtothetext,choosingsubjectsbasedonlyon______isnotagoodidea.9.Theauthorsuggeststhatstudentsshould______withtheirteachersiftheyhavequestions.10.Agoodwaytorememberwhatyou’velearnedisto______itthenextday.参考答案：1.study2.succeed3.read4.schedule5.understand6.use7.understand8.futurejobopportunities9.talk10.review三、判断题（每题2分，共20分）1.ThepassageinUnit3mainlydiscussesthehistoryofsciencesubjectsinschools.(×)解析：文章主题是选择学科的原因和方法，而非历史。正确答案为“×”。2.Accordingtothetext,allstudentsshouldchoosesciencesubjectsbecausetheyhavemorejobopportunities.(×)解析：文章指出未来就业是考虑因素之一，但强调兴趣更重要。正确答案为“×”。3.Thepassagesuggeststhatstudentsshouldstudywiththeirbestfriendsallthetime.(×)解析：文章建议根据个人情况选择学习伙伴，而非“总是”与最好朋友一起学习。正确答案为“×”。4.Curiosityisonlyimportantforstudentswhoaregoodatscience.(×)解析：文章强调好奇心对所有学科学习都重要。正确答案为“×”。5.Timemanagementskillsmeanstudyingforlongerhourseveryday.(×)解析：时间管理技能是高效利用时间，而非盲目延长学习时间。正确答案为“×”。6.Thepassageadvisesstudentstogiveupsubjectsiftheyfindthemdifficult.(×)解析：文章建议寻求帮助而非放弃。正确答案为“×”。7.Reviewingwhatyoulearnedyesterdayisnotnecessaryforgoodstudyhabits.(×)解析：文章建议复习前一天内容。正确答案为“×”。8.Choosingsubjectsbasedonfuturejobopportunitiesisthebestwayforeveryone.(×)解析：文章认为这是可能因素之一，但非最佳方式。正确答案为“×”。9.Thepassagesuggeststhatstudentsshouldignoretheirfeelingsaboutsubjectsandchoosebasedonpopularity.(×)解析：文章强调兴趣的重要性。正确答案为“×”。10.Goodstudyhabitscanhelpstudentsdobetteronlyinsciencesubjects.(×)解析：文章指出对“所有”学科都有帮助。正确答案为“×”。四、简答题（每题2分，共16分）1.Whydosomestudentsfindsciencesubjectsinteresting?参考答案：-Sciencesubjectshelpexplainhowthingsworkintheworld.-Theyinvolveexperimentsandhands-onactivities.-Theycananswerquestionsaboutnatureandtechnology.解析：本题考查对文章细节的理解。学生应能结合单元内容，从科学解释世界、实验活动、解答疑问等方面回答。2.Whataresomegoodstudyhabitsmentionedinthepassage?参考答案：-Makingastudyschedule.-Takingshortbreakstorest.-Reviewinglessonsregularly.-Askingteachersorclassmatesforhelp.解析：本题考查对建议的归纳。学生应能列举至少三种有效学习方法。3.Howcancuriosityhelpstudentsinlearning?参考答案：-Curiositymakesstudentsaskquestions.-Questionsleadtofurtherexploration.-Explorationhelpsdeepenunderstanding.解析：本题考查对概念作用的理解。学生应能说明好奇心如何引发问题、促进探索、加深理解。4.Whyisitimportanttomanageyourtimewhenstudying?参考答案：-Timemanagementhelpscompletetasksefficiently.-Itpreventslast-minutestress.-Itallowstimeforreviewandrest.解析：本题考查对时间管理重要性的理解。学生应能从效率、压力、复习休息等方面回答。5.Whatshouldstudentsdoiftheydon’tlikeasubjectbutitisimportantfortheirfuture?参考答案：-Trytofindwaystomakethesubjectmoreinteresting.-Askteachersforhelptoimproveunderstanding.-Considerhowthesubjectcanbeusefulinthefuture.解析：本题考查对实际问题的解决能力。学生应能提出合理建议，如寻找兴趣点、寻求帮助、关注未来价值。6.HowcanstudentsimprovetheirEnglishskills?参考答案：-ReadEnglishbooksandarticles.-ListentoEnglishsongsorpodcasts.-Practicespeakingwithothers.-Writeshortessaysordiaryentries.解析：本题考查对语言学习方法的掌握。学生应能列举至少三种有效方法。7.Whatisthedifferencebetweenstudyinghardandstudyingsmart?参考答案：-Studyinghardmeansspendinglonghourswithoutstrategy.-Studyingsmartmeansusingeffectivemethodslikeplanningandbreaks.-Studyingsmartleadstobetterresultswithlesseffort.解析：本题考查对学习方式的对比理解。学生应能区分“努力”与“聪明”学习的区别。8.Whyisitagoodideatotalktoteachersifyouhavequestions?参考答案：-Teacherscanprovideexpertanswers.-Theycanexplaindifficultconceptsclearly.-Theycangivepersonalizedadvice.解析：本题考查对寻求帮助价值的理解。学生应能说明教师帮助的优势。五、应用题（每题4分，共24分）1.Supposeyouareastudentwhofindsmathdifficult.Whatstepswouldyoutaketoimprove?案例背景：李华是八年级学生，但他觉得数学很难，经常考不及格。他想知道如何提高。参考答案：-First,Iwouldasktheteachertoexplainthedifficultpartsagain.-Then,Iwouldpracticeproblemsslowlyandcheckmyanswers.-Iwouldalsostudywithclassmateswhoaregoodatmath.-Finally,Iwouldmakeascheduletostudymatheverydayfor30minutes.解析：本题考查对建议的应用能力。学生应能结合自身情况，提出具体可行的改进措施。2.Imagineyouarewritingaparagraphaboutwhyyouchosesciencesubjects.Whatwouldyouwrite?参考答案："Ichosesciencesubjectsbecausetheyhelpmeunderstandtheworld.Ilovedoingexperimentsandseeinghowthingswork.Sciencealsohelpsmethinklikeascientist,askingquestionsandfindinganswers.Ibelievetheseskillswillbeusefulformyfuture."解析：本题考查对主题的写作能力。学生应能结合个人兴趣和单元内容，表达选择科学学科的原因。3.Supposeyourfriendalwaysstudieslateatnight.Whatadvicewouldyougivehim?参考答案："Iwouldtellmyfriendtomakeastudyscheduleandsticktoit.Studyinglateatnightcanmakehimtiredandlesseffective.Hecouldalsotakeshortbreaksduringstudytokeephismindfresh.Goodsleepisimportantforlearningtoo."解析：本题考查对实际问题的建议能力。学生应能提出合理的学习习惯建议。4.Imagineyouareinterviewingascientist.Whatquestionswouldyouaskaboutwhytheychosescience?参考答案：-"Whatmadeyouinterestedinsciencewhenyouwereyoung?"-"Whatisthemostexcitingpartofyourworkasascientist?"-"Howdoessciencehelpsolveproblemsinourdailylife?"解析：本题考查对主题的探究能力。学生应能提出与单元主题相关的问题。5.Supposeyourschoolisstartinganewscienceclub.Whatwouldyoudotojoinit?参考答案："Iwouldfirstresearchwhatactivitiestheclubhas.Then,IwouldwriteashortapplicationexplainingwhyIwanttojoin.Iwouldalsotalktotheclubleadertoaskquestions.Ifthereisatrialperiod,Iwouldparticipateactivelytoshowmyinterest."解析：本题考查对实际场景的应对能力。学生应能描述加入社团的具体步骤。6.Imagineyouareteachingaclassab