2026年四川省苏教版八年级英语第4单元课时作业

2026年四川省苏教版八年级英语第4单元课时作业一、单项选择题（每题2分，共20分）1.AccordingtothepassageinUnit4,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.（解析：本题考查学生对单元主题“Whydopeoplechoosesciencesubjects?”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，这与文章主旨一致。选项A、C、D虽然可能是部分学生的真实想法，但并非文章的核心观点。）2.Whatdoestheunderlinedword"inspire"meaninthesentence"Manyscientistsareinspiredbythebeautyofnature."?A.Makesomeonefeelbored.B.Makesomeonefeelinterested.C.Makesomeonefeeldisappointed.D.Makesomeonefeelangry.（解析：本题考查学生对单元词汇“inspire”的理解。根据上下文，inspire意为“激励，鼓舞”，与B选项“makesomeonefeelinterested”意思一致。其他选项均为干扰项，与词汇含义无关。）3.Accordingtothepassage,whichofthefollowingisNOTabenefitofstudyingsciencesubjects?A.Itcanhelpyoudevelopcriticalthinkingskills.B.Itcanhelpyoufindahigh-payingjob.C.Itcanhelpyouunderstandhowthingswork.D.Itcanhelpyouimproveyourcreativity.（解析：本题考查学生对单元内容“ScienceSubjects:BenefitsandChallenges”的掌握。正确答案为B，因为文章强调科学学科能帮助学生培养批判性思维、理解事物原理和提升创造力，但未明确指出能直接找到高薪工作。）4.Whatisthemainideaofthearticle"TheFutureofScienceandTechnology"?A.Scienceandtechnologywillchangeourlivesinthefuture.B.Scienceandtechnologyareboringsubjects.C.Scienceandtechnologyareonlyimportantforscientists.D.Scienceandtechnologywillreplaceallothersubjects.（解析：本题考查学生对单元阅读材料“ScienceandTechnology:TheFuture”的理解。正确答案为A，因为文章主要讨论科技如何改变未来生活，其他选项均为错误或过度解读。）5.Accordingtothepassage,whydosomestudentsfindsciencesubjectsdifficult?A.Becausetheyarenotinterestedinscience.B.Becausetheydonothaveenoughtimetostudy.C.Becausetheythinksciencesubjectsaretoohard.D.Becausetheirteachersarenotgood.（解析：本题考查学生对单元内容“ChallengesofStudyingScience”的掌握。正确答案为C，因为文章指出科学学科难度较高是学生普遍反映的问题，其他选项虽然可能是部分原因，但并非文章重点。）6.Whatdoesthephrase"cutting-edgetechnology"meaninthecontextofthepassage?A.Oldtechnology.B.Technologythatisintheearlystagesofdevelopment.C.Technologythatisveryadvanced.D.Technologythatisnolongeruseful.（解析：本题考查学生对单元词汇“cutting-edgetechnology”的理解。根据上下文，cutting-edgetechnology意为“尖端技术”，与C选项“veryadvancedtechnology”意思一致。）7.Accordingtothepassage,whatistheroleofexperimentsinsciencesubjects?A.Experimentsareonlyforfun.B.Experimentshelpuslearnthroughpractice.C.Experimentsarenotimportant.D.Experimentsareonlyforscientists.（解析：本题考查学生对单元内容“ExperimentsinScience”的理解。正确答案为B，因为文章强调实验能帮助学生通过实践学习，其他选项均为错误或片面理解。）8.Whatisthemainpurposeofthearticle"ScienceandtheEnvironment"?A.Totellpeoplethatscienceisnotimportant.B.Toexplainhowsciencecanhelpprotecttheenvironment.C.Tosaythatsciencesubjectsaretoodifficult.D.Toarguethatscienceisharmfultotheenvironment.（解析：本题考查学生对单元阅读材料“ScienceandtheEnvironment”的理解。正确答案为B，因为文章主要讨论科学如何帮助保护环境，其他选项均为错误或反向解读。）9.Accordingtothepassage,whydomanystudentsenjoysciencesubjects?A.Becausetheycanplaywithchemicals.B.Becausetheycandoexperiments.C.Becausetheycanlearnaboutspace.D.Becausetheycanhelptheenvironment.（解析：本题考查学生对单元内容“WhyDoStudentsEnjoyScience?”的掌握。正确答案为B，因为文章指出实验是学生喜欢科学学科的重要原因，其他选项虽然可能是部分学生的兴趣点，但并非文章重点。）10.Whatisthemaindifferencebetweensciencesubjectsandartsubjects?A.Sciencesubjectsaremoredifficultthanartsubjects.B.Sciencesubjectsaremoreimportantthanartsubjects.C.Sciencesubjectsfocusoncreativity,whileartsubjectsfocusonfacts.D.Sciencesubjectsaremorefunthanartsubjects.（解析：本题考查学生对单元内容“Sciencevs.Art”的比较理解。正确答案为C，因为文章指出科学学科侧重事实，而艺术学科侧重创造力，其他选项均为主观或片面比较。）二、填空题（每题2分，共20分）1.Manystudentschoosetostudysciencesubjectsbecausetheywantto______theworldaroundthem.2.Theword"inspire"inthepassagemeans______.3.Experimentsinsciencesubjectscanhelpus______.4.Accordingtothepassage,sciencesubjectscanhelpusdevelop______skills.5.Thephrase"cutting-edgetechnology"refersto______.6.Manystudentsfindsciencesubjectsdifficultbecausetheythink______.7.Thearticle"ScienceandtheEnvironment"explainshowsciencecanhelp______.8.Accordingtothepassage,whydosomestudentsenjoysciencesubjects?9.Themaindifferencebetweensciencesubjectsandartsubjectsisthat______.10.Sciencesubjectsareimportantbecausetheycanhelpus______.（解析：本题考查学生对单元核心词汇和句型的掌握。答案分别为：understand,encourage,learnthroughpractice,criticalthinking,veryadvancedtechnology,sciencesubjectsaretoohard,protecttheenvironment,theycandoexperiments,sciencesubjectsfocusonfacts,understandtheworldbetter。）三、判断题（每题2分，共20分）1.Accordingtothepassage,allstudentsfindsciencesubjectseasy.(×)（解析：文章明确指出部分学生认为科学学科难度较高，因此该说法错误。）2.Theword"benefits"inthepassagemeansadvantages.(√)（解析：根据上下文，benefits意为“好处”，与“advantages”意思一致。）3.Sciencesubjectsareonlyimportantforscientists.(×)（解析：文章强调科学学科对所有人都有益，而不仅仅是科学家，因此该说法错误。）4.Experimentsinsciencesubjectsareonlyforfun.(×)（解析：文章指出实验能帮助学生通过实践学习，而不仅仅是娱乐，因此该说法错误。）5.Thearticle"ScienceandtheEnvironment"arguesthatscienceisharmfultotheenvironment.(×)（解析：文章强调科学如何帮助保护环境，因此该说法错误。）6.Manystudentsenjoysciencesubjectsbecausetheycanplaywithchemicals.(×)（解析：文章指出实验是学生喜欢科学学科的重要原因，但未提及化学实验，因此该说法不完全准确。）7.Sciencesubjectsaremoreimportantthanartsubjects.(×)（解析：文章强调不同学科的重要性不同，但未明确比较两者，因此该说法主观且不准确。）8.Thephrase"cutting-edgetechnology"meansoldtechnology.(×)（解析：cutting-edgetechnology意为“尖端技术”，与“oldtechnology”相反，因此该说法错误。）9.Accordingtothepassage,sciencesubjectscanhelpusimproveourcreativity.(×)（解析：文章指出科学学科能帮助学生培养批判性思维和创造力，但未明确指出能提升创造力，因此该说法不完全准确。）10.Sciencesubjectsaremorefunthanartsubjects.(×)（解析：文章强调不同学科的特点不同，但未明确比较两者的趣味性，因此该说法主观且不准确。）（解析：本题考查学生对单元内容的细节理解和判断能力。）四、简答题（每题2分，共16分）1.Whydomanystudentschoosetostudysciencesubjects?（参考答案：Manystudentschoosetostudysciencesubjectsbecausetheywanttounderstandtheworldaroundthem.Sciencesubjectscanhelpthemdevelopcriticalthinkingskillsandfindjobopportunitiesinthefuture.Additionally,manystudentsenjoyexperimentsandthechallengeoflearningnewconcepts.）（解析：本题考查学生对单元主题“Whydopeoplechoosesciencesubjects?”的概括能力。答案应涵盖学生对科学学科的兴趣、实用性和挑战性等方面。）2.Whatarethebenefitsofstudyingsciencesubjects?（参考答案：Thebenefitsofstudyingsciencesubjectsincludehelpingstudentsunderstandhowthingswork,developingcriticalthinkingskills,andimprovingproblem-solvingabilities.Additionally,sciencesubjectscanopenupmanyjobopportunitiesinthefuture,suchasscientists,engineers,anddoctors.）（解析：本题考查学生对单元内容“ScienceSubjects:BenefitsandChallenges”的掌握。答案应涵盖科学学科对学生认知能力、职业发展等方面的益处。）3.Whydosomestudentsfindsciencesubjectsdifficult?（参考答案：Somestudentsfindsciencesubjectsdifficultbecausetheythinktheconceptsaretoohardtounderstand.Additionally,theymaynothaveenoughtimetostudyormaynotbeinterestedinscience.Somestudentsalsostrugglewithmath,whichisoftenrequiredforsciencesubjects.）（解析：本题考查学生对单元内容“ChallengesofStudyingScience”的理解。答案应涵盖科学学科难度较高、时间不足、兴趣缺乏等方面的原因。）4.Howcansciencesubjectshelpusunderstandtheworld?（参考答案：Sciencesubjectscanhelpusunderstandtheworldbyexplaininghowthingswork,fromthesmallestparticlestothevastuniverse.Theyteachusaboutthenaturalworld,technology,andhowwecanusethisknowledgetoimproveourlives.Additionally,sciencesubjectsencourageustoaskquestionsandseekanswers,whichhelpsuslearnmoreabouttheworldaroundus.）（解析：本题考查学生对单元内容“ScienceandtheEnvironment”的掌握。答案应涵盖科学学科如何解释自然现象、技术原理以及如何帮助人们理解世界。）5.Whatistheroleofexperimentsinsciencesubjects?（参考答案：Experimentsinsciencesubjectsareimportantbecausetheyallowstudentstolearnthroughpractice.Byconductingexperiments,studentscanseehowscientificconceptsworkinreallifeanddeveloptheirproblem-solvingskills.Experimentsalsohelpstudentsunderstandthescientificmethodandhowtoconductresearch.）（解析：本题考查学生对单元内容“ExperimentsinScience”的理解。答案应涵盖实验如何帮助学生通过实践学习、培养问题解决能力以及理解科学方法。）6.Howcansciencesubjectshelpusprotecttheenvironment?（参考答案：Sciencesubjectscanhelpusprotecttheenvironmentbyteachingusaboutthenaturalworldandhowhumanactivitiesaffectit.Theyalsoteachusaboutrenewableenergy,pollutioncontrol,andotherwaystoreduceourimpactontheenvironment.Byunderstandingscience,wecanmakebetterdecisionstoprotecttheplanet.）（解析：本题考查学生对单元阅读材料“ScienceandtheEnvironment”的理解。答案应涵盖科学学科如何帮助人们了解自然、减少人类活动对环境的影响以及如何保护地球。）7.Whatisthemaindifferencebetweensciencesubjectsandartsubjects?（参考答案：Themaindifferencebetweensciencesubjectsandartsubjectsisthatsciencesubjectsfocusonfactsandlogicalreasoning,whileartsubjectsfocusoncreativityandexpression.Sciencesubjectsteachushowthingsworkandwhy,whileartsubjectsteachushowtocreateandexpressourselves.Bothtypesofsubjectsareimportantforawell-roundededucation.）（解析：本题考查学生对单元内容“Sciencevs.Art”的比较理解。答案应涵盖科学学科和艺术学科在内容、方法和目标上的差异。）8.Whydomanystudentsenjoysciencesubjects?（参考答案：Manystudentsenjoysciencesubjectsbecausetheycandoexperiments,learnaboutnewthings,andsolveproblems.Sciencesubjectscanbeexcitingandchallenging,andtheycanhelpstudentsdeveloptheirminds.Additionally,manystudentsfindsciencesubjectsfunbecausetheycanseetheresultsoftheirworkandfeelasenseofaccomplishment.）（解析：本题考查学生对单元内容“WhyDoStudentsEnjoyScience?”的掌握。答案应涵盖学生对科学学科的兴趣点，如实验、探索、解决问题等。）五、应用题（每题4分，共24分）1.SupposeyouareastudentinGrade8.Writeashortparagraph(about80words)explainingwhyyouchoosetostudysciencesubjects.（参考答案：IchoosetostudysciencesubjectsbecauseIwanttounderstandtheworldaroundme.Sciencesubjectsareinterestingandchallenging,andtheycanhelpmedevelopcriticalthinkingskills.Ialsoenjoydoingexperimentsandlearningaboutnewthings.Additionally,sciencesubjectscanhelpmefindagoodjobinthefuture.Ibelievestudyingscienceisimportantformyeducationandfuturecareer.）（解析：本题考查学生对单元主题“Whydopeoplechoosesciencesubjects?”的应用能力。答案应结合个人兴趣、学科特点和个人发展目标进行阐述。）2.Imagineyouareateacher.Writeashortparagraph(about100words)explaininghowyoucanhelpstudentswhofindsciencesubjectsdifficult.（参考答案：Tohelpstudentswhofindsciencesubjectsdifficult,Icanprovideextrasupportandresources.Icanofferafter-schooltutoringsessionstoexplainconceptsinmoredetail.Additionally,Icanusereal-lifeexamplesandexperimentstomakethelessonsmoreengaging.Icanalsoencouragestudentstoworkingroupstohelpeachotherunderstandthematerial.Byprovidingextrahelpandsupport,Icanhelpstudentsovercometheirchallengesandsucceedinsciencesubjects.）（解析：本题考查学生对单元内容“ChallengesofStudyingScience”的解决能力。答案应涵盖提供额外支持、使用实例和实验、鼓励合作学习等方面。）3.Writeashortparagraph(about80words)explaininghowsciencesubjectscanhelpusprotecttheenvironment.（参考答案：Sciencesubjectscanhelpusprotecttheenvironmentbyteachingusaboutthenaturalworldandhowhumanactivitiesaffectit.Theyalsoteachusaboutrenewableenergy,pollutioncontrol,andotherwaystoreduceourimpactontheenvironment.Byunderstandingscience,wecanmakebetterdecisionstoprotecttheplanet.Forexample,wecanuserenewableenergysourceslikesolarandwindpowertoreducepollution.Sciencesubjectsareimportantforcreatingasustainablefuture.）（解析：本题考查学生对单元阅读材料“ScienceandtheEnvironment”的应用能力。答案应涵盖科学学科如何帮助人们了解自然、减少人类活动对环境的影响以及如何保护地球。）4.Supposeyouareastudent.Writeashortparagraph(about100words)explaininghowyoucanimproveyourcriticalthinkingskillsbystudyingsciencesubjects.（参考答案：Toimprovemycriticalthinkingskillsbystudyingsciencesubjects,Icanaskquestionsandseekanswers.Icanalsoanalyzeproblemsandthinkaboutdifferentsolutions.Additionally,Icanparticipateinsciencecompetitionsandprojectstochallengemyselfandlearnmore.Bypracticingtheseskills,Icanbecomeabetterproblem-solverandthinker.Sciencesubjectshelpmedevelopmymindandpreparemeforfuturechallenges.）（解析：本题考查学生对单元内容“ScienceSubjects:BenefitsandChallenges”的应用能力。答案应涵盖提问、分析问题、参与竞赛和项目等方面。）5.Writeashortparagraph(about80words)explainingthemaindifferencebetweensciencesubjectsandartsubjects.（参考答案：Themaindifferencebetweensciencesubjectsandartsubjectsisthatsciencesubjectsfocusonfactsandlogicalreasoning,whileartsubjectsfocusoncreativityandexpression.Sciencesubjectsteachushowthingsworkandwhy,whileartsubjectsteachushowtocreateandexpressourselves.Bothtypesofsubjectsareimportantforawell-roundededucation.Bystudyingbothscienceandart,wecandevelopourmindsandtalentsindifferentways.）（解析：本题考查学生对单元内容“Sciencevs.Art”的应用能力。答案应涵盖科学学科和艺术学科在内容、方法和目标上的差异。）6.Supposeyouareastudent.Writeashortparagraph(about100words)explainingwhyyouenjoysciencesubjects.（参考答案：Ienjoysciencesubjectsbecausetheyareinterestingandchallenging.Ilovedoingexperimentsandlearningaboutnewthings.Sciencesubjectscanhelpmedevelopmymindandpreparemeforfuturechallenges.Additionally,IfindsciencesubjectsfunbecauseIcanseetheresultsofmyworkandfeelasenseofaccomplishment.Bystudyingscience,Icanunderstandtheworldbetterandbecomeabetterproblem-solver.Sciencesubjectsaremyfavoritebecausetheymakemethinkandexplore.）（解析：本题考查学生对单元内容“WhyDoStudentsEnjoyScience?”的应用能力。答案应结合个人兴趣、学科特点和个人发展目标进行阐述。）六、案例分析（每题2分，共18分）1.CaseStudy:AstudentnamedLilyfindssciencesubjectsdifficultbecauseshethinkstheconceptsaretoohardtounderstand.Whatadvicecanyougivehertoimproveherunderstandingofscience?（参考答案：Lilycanimproveherunderstandingofsciencebyaskingquestions,seekinghelpfromteachersorclassmates,andpracticingproblems.Shecanalsousevisualaidsandreal-lifeexamplestohelpherunderstandtheconceptsbetter.Additionally,shecanstudyinagrouptodiscussandlearntogether.Byputtinginextraeffort,Lilycanovercomeherchallengesandsucceedinsciencesubjects.）（解析：本题考查学生对单元内容“ChallengesofStudyingScience”的解决能力。答案应涵盖提问、寻求帮助、使用辅助工具、小组学习等方面。）2.CaseStudy:AstudentnamedTomenjoyssciencesubjectsbecausehelovesdoingexperiments.Whatarethebenefitsofdoingexperimentsinsciencesubjects?（参考答案：Doingexperimentsinsciencesubjectshasmanybenefits.Itallowsstudentstolearnthroughpracticeandseehowscientificconceptsworkinreallife.Experimentsalsohelpstudentsdeveloptheirproblem-solvingskillsandunderstandthescientificmethod.Additionally,experimentscanmakesciencesubjectsmoreengagingandfun,whichcanincreasestudents'interestinscience.Bydoingexperiments,studentscangainadeeperunderstandingofscienceandbecomebetterscientists.）（解析：本题考查学生对单元内容“ExperimentsinScience”的理解。答案应涵盖实验如何帮助学生通过实践学习、培养问题解决能力、理解科学方法以及提高学习兴趣。）3.CaseStudy:AstudentnamedSarahwantstostudysciencesubjectsinthefuturebecauseshewantstobecomeascientist.Whatarethebenefitsofstudyingsciencesubjectsforherfuturecareer?（参考答案：StudyingsciencesubjectscanbenefitSarah'sfuturecareerasascientistinmanyways.Sciencesubjectscanhelpherdevelopcriticalthinkingskills,problem-solvingabilities,andadeepunderstandingofthenaturalworld.Additionally,sciencesubjectscanopenupmanyjobopportunitiesinthefuture,suchasresearchscientist,engineer,ordoctor.Bystudyingscience,Sarahcanprepareherselfforasuccessfulcareerinscienceandmakeapositiveimpactontheworld.）（解析：本题考查学生对单元内容“ScienceSubjects:BenefitsandChallenges”的掌握。答案应涵盖科学学科对学生认知能力、职业发展等方面的益处。）4.CaseStudy:AstudentnamedDavidfindssciencesubjectsboringbecauseheprefersartsubjects.Whatcanbedonetomakesciencesubjectsmoreinterestingforhim?（参考答案：TomakesciencesubjectsmoreinterestingforDavid,teacherscanusereal-lifeexamples,experiments,andtechnologytomakethelessonsmoreengaging.Additionally,teacherscanrelatescienceconceptstoDavid'sinterestsinart,suchashowscienceandartbothinvolvecreativityandproblem-solving.TeacherscanalsoencourageDavidtoparticipateinscienceprojectsandcompetitionstomakethelearningexperiencemorefunandchallenging.Bymakingsciencesubjectsmorerelevantandengaging,Davidmaydevelopagreaterinterestinscience.）（解析：本题考查学生对单元内容“Sciencevs.Art”的比较理解。答案应涵盖使用实例和实验、结合学生兴趣、鼓励参与项目等方面。）5.CaseStudy:AstudentnamedEmilywantstostudysciencesubjectsbutsheisworriedaboutthedifficulty.Whatadvicecanyougivehertoovercomeherworries?（参考答案：Emilycanovercomeherworriesaboutstudyingsciencesubjectsbypreparingherselfbeforehand.Shecanstartbyreviewingthebasicconceptsandpracticingproblems.Additionally,shecanseekhelpfromteachersorclassmatesifsheencountersdifficulties.Emilycanalsostudyinagrouptodiscussandlearntogether.Byputtinginextraeffortandseekinghelpwhenneeded,Emilycanbuildherconfidenceandsucceedinsciencesubjects.）（解析：本题考查学生对单元内容“ChallengesofStudyingScience”的解决能力。答案应涵盖准备基础知识、寻求帮助、小组学习等方面。）6.CaseStudy:AstudentnamedMichaelwantstoknowhowsciencesubjectscanhelphimprotecttheenvironment.Whatarethebenefitsofstudyingsciencesubjectsforenvironmentalprotection?（参考答案：Studyingsciencesubjectscanb