2026年安徽省人教版九年级英语上册第4单元课后练习题

2026年安徽省人教版九年级英语上册第4单元课后练习题一、单项选择题（总共10题，每题2分，共20分）1.AccordingtothepassageinUnit4,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.（解析：根据第4单元课文内容，学生选择科学学科的主要原因是能够更好地理解世界，B选项准确反映了这一观点。A选项错误，科学学科并不比其他学科容易；C选项片面，兴趣是因素之一但非主因；D选项未在课文中明确提及，属于干扰项。）2.Whatdoestheunderlinedword"inspire"meaninthesentence"Theinventionofthelightbulbinspiredmanyyoungpeopletobecomescientists"?A.Makesomeonefeelbored.B.Makesomeonefeelangry.C.Givesomeonenewideas.D.Makesomeonefeeltired.（解析：根据第4单元词汇学习，"inspire"意为“激励，启发”，C选项符合词义。A、B、D选项均为反义词或无关含义，属于干扰项。）3.Accordingtotheadviceinthepassage,whichofthefollowingisNOTagoodwaytoimproveyoursciencelearning?A.Readsciencebookseveryday.B.Askteachersquestionswhenyoudon’tunderstand.C.WatchTVshowsaboutscience.D.Spendallyourtimeonscienceandignoreothersubjects.（解析：根据第4单元课文中的学习方法建议，D选项明显错误，科学学习应与其他学科平衡发展。A、B、C选项均为推荐方法，符合课文内容。）4.WhatisthebesttitleforthepassageinUnit4?A.TheImportanceofScienceSubjectsB.HowtoStudyScienceEffectivelyC.FamousScientistsinHistoryD.TheFutureofScienceandTechnology（解析：根据第4单元文章主旨，文章重点介绍科学学习的方法和意义，B选项最符合标题要求。A选项过于宽泛；C、D选项涉及具体内容但非全文核心。）5.Accordingtothepassage,whydosomestudentsfindsciencesubjectsdifficult?A.Becausescienceteachersareboring.B.Becausesciencesubjectsrequiremorethinking.C.Becausesciencesubjectshavetoomanyformulas.D.Becausesciencesubjectsarenotinteresting.（解析：根据第4单元课文分析，学生认为科学难的主要原因是需要更多思考，B选项准确。A、C、D选项均为可能原因但非核心，且表述片面。）6.WhatdoesthepassageinUnit4suggeststudentsdotobecomebetterscientists?A.Onlyreadbooksandneverdoexperiments.B.Onlydoexperimentsandneverreadbooks.C.Balancereadinganddoingexperiments.D.Focusonlyonsubjectsyoulike.（解析：根据第4单元课文建议，科学学习应理论与实践结合，C选项符合要求。A、B选项极端化，D选项错误，应全面发展。）7.Accordingtothepassage,whichofthefollowingisNOTaskillneededforsciencelearning?A.Goodobservationskills.B.Creativethinking.C.Goodmemoryskills.D.Fastwritingskills.（解析：根据第4单元课文内容，科学学习需要观察、创新和记忆能力，D选项“快速写作”未在课文中提及，属于干扰项。）8.Whatistheauthor’spurposeinwritingthepassageinUnit4?A.Totellstudentsthatscienceisthemostimportantsubject.B.Topersuadestudentstogiveupsciencesubjects.C.Toencouragestudentstostudyscienceinabetterway.D.Tointroducefamousscientistsintheworld.（解析：根据第4单元文章结构，作者旨在提供科学学习方法建议，C选项最符合写作目的。A、B选项观点极端；D选项偏离主题。）9.Accordingtothepassage,whatisthebiggestchallengeforstudentswhowanttostudyscience?A.Findingsciencebookstoread.B.Gettinggoodgradesinsciencesubjects.C.Findingtimetodoexperiments.D.Understandingdifficultconcepts.（解析：根据第4单元课文分析，科学学习的难点在于理解抽象概念，D选项准确。A、B、C选项均为次要问题。）10.WhatdoesthepassageinUnit4suggeststudentsdoafterreadingit?A.Stopstudyingscienceandchooseothersubjects.B.Startstudyingscienceharderthanbefore.C.Talktoteachersabouthowtostudyscience.D.Ignoresciencesubjectsandfocusonexams.（解析：根据第4单元课文结尾建议，学生应与老师讨论学习方法，C选项符合要求。A、B、D选项均与课文建议相反。）二、填空题（总共10题，每题2分，共20分）1.ThepassageinUnit4mentionsthatmanystudentsareinterestedinsciencebecauseitcan______theworldaroundus.（参考答案：change/understand）（解析：根据第4单元课文，科学能够解释自然现象，填"change"或"understand"均可。）2.Accordingtothepassage,agoodsciencestudentshouldhavegood______skillsandcreativethinkingability.（参考答案：observation）（解析：根据第4单元课文，科学学习需要观察能力，填"observation"符合文意。）3.ThepassageinUnit4suggeststhatstudentsshould______toteacherswhentheyhavequestionsaboutscience.（参考答案：ask/talk/communicate）（解析：根据第4单元课文，学生应主动提问，填"ask"、"talk"或"communicate"均可。）4.Theunderlinedword"challenging"inthesentence"Sciencesubjectscanbechallenging,buttheyarealsoveryrewarding"means______.（参考答案：difficult/hard）（解析：根据第4单元词汇学习，"challenging"意为“有挑战性的”，即“困难的”，填"difficult"或"hard"均可。）5.ThepassageinUnit4mentionsthatmanyscientistsgottheirideasfrom______intheirdailylives.（参考答案：experiences/observations）（解析：根据第4单元课文，科学家常从生活经验中获取灵感，填"experiences"或"observations"均可。）6.Accordingtothepassage,agoodwaytostudyscienceisto______sciencebookseveryday.（参考答案：read/havealookat）（解析：根据第4单元课文，科学学习需要阅读相关书籍，填"read"或"havealookat"均可。）7.ThepassageinUnit4suggeststhatstudentsshould______timetodoscienceexperiments.（参考答案：makesuretohave/find）（解析：根据第4单元课文，科学学习需要安排实验时间，填"makesuretohave"或"find"均可。）8.Theunderlinedword"inspire"inthesentence"Theinventionofthelightbulbinspiredmanyyoungpeopletobecomescientists"means______.（参考答案：encourage/giveideasto）（解析：根据第4单元词汇学习，"inspire"意为“激励”，填"encourage"或"giveideasto"均可。）9.Accordingtothepassage,studentswhowanttostudyscienceshould______othersubjectstoo.（参考答案：payattentionto/learnwell）（解析：根据第4单元课文，科学学习应平衡其他学科，填"payattentionto"或"learnwell"均可。）10.ThepassageinUnit4mentionsthatmanystudentsfindsciencesubjectsdifficultbecausetheyneedmore______.（参考答案：thinking/brainwork）（解析：根据第4单元课文，科学学习需要大量思考，填"thinking"或"brainwork"均可。）三、判断题（总共10题，每题2分，共20分）1.AccordingtothepassageinUnit4,sciencesubjectsareeasierthanmathsubjects.（参考答案：False）（解析：根据第4单元课文，文章未比较科学和数学的难度，该说法无依据。）2.ThepassageinUnit4suggeststhatstudentsshouldspendalltheirtimeonsciencesubjects.（参考答案：False）（解析：根据第4单元课文，科学学习应与其他学科平衡发展，该说法错误。）3.Accordingtothepassage,thebiggestchallengeforsciencestudentsisfindingsciencebookstoread.（参考答案：False）（解析：根据第4单元课文，科学学习的难点在于理解概念，而非找书，该说法错误。）4.Theunderlinedword"rewarding"inthesentence"Studyingsciencecanberewarding"means"boring."（参考答案：False）（解析：根据第4单元词汇学习，"rewarding"意为“有回报的”，与"boring"相反，该说法错误。）5.ThepassageinUnit4mentionsthatmanystudentsfindsciencesubjectsdifficultbecausetheyarenotinteresting.（参考答案：False）（解析：根据第4单元课文，学生认为科学难的原因是抽象概念多，而非“不有趣”，该说法错误。）6.Accordingtothepassage,agoodsciencestudentshouldonlydoexperimentsandneverreadbooks.（参考答案：False）（解析：根据第4单元课文，科学学习需要理论与实践结合，该说法片面且错误。）7.ThepassageinUnit4suggeststhatstudentsshouldignoresciencesubjectsandfocusonexams.（参考答案：False）（解析：根据第4单元课文，科学学习应认真对待，该说法与课文建议相反。）8.Theunderlinedword"inspire"inthesentence"Theinventionofthelightbulbinspiredmanyyoungpeople"means"makesomeonefeeltired."（参考答案：False）（解析：根据第4单元词汇学习，"inspire"意为“激励”，与"makesomeonefeeltired"无关，该说法错误。）9.Accordingtothepassage,studentswhowanttostudyscienceshouldfocusonlyonsubjectstheylike.（参考答案：False）（解析：根据第4单元课文，科学学习应全面发展，该说法片面且错误。）10.ThepassageinUnit4mentionsthatmanystudentsareinterestedinsciencebecauseitcanchangetheworldaroundus.（参考答案：True）（解析：根据第4单元课文，科学能够解释和改变世界，该说法正确。）四、简答题（总共8题，每题2分，共16分）1.AccordingtothepassageinUnit4,whatarethemainreasonswhymanystudentschoosetostudysciencesubjects?（参考答案：Studentschoosetostudysciencebecauseitcanhelpthemunderstandtheworldbetter,anditcaninspirethemtobecomescientists.Somestudentsalsofinditinterestingandbelieveithasmorejobopportunitiesinthefuture.）（解析：根据第4单元课文，学生选择科学的原因包括理解世界、获得灵感、兴趣和就业前景，答案需全面覆盖这些要点。）2.WhatdoesthepassageinUnit4suggeststudentsdotoimprovetheirsciencelearning?（参考答案：Thepassagesuggestsstudentsreadsciencebookseveryday,askteachersquestionswhentheydon’tunderstand,balancesciencewithothersubjects,andfindtimetodoexperiments.）（解析：根据第4单元课文，科学学习方法包括阅读、提问、平衡发展和实验，答案需涵盖这些建议。）3.Accordingtothepassage,whatisthebiggestchallengeforstudentswhowanttostudyscience?（参考答案：Thebiggestchallengeisunderstandingdifficultconcepts.Sciencesubjectsrequiremorethinkingandcanbechallenging,buttheyarealsorewarding.）（解析：根据第4单元课文，科学学习的难点在于理解抽象概念，答案需明确指出这一点。）4.Whatdoestheunderlinedword"rewarding"meaninthesentence"Studyingsciencecanberewarding"?（参考答案："Rewarding"means"givingsatisfaction"or"worthdoing."Itsuggeststhatsciencelearningcanbringhappinessandachievement.）（解析：根据第4单元词汇学习，"rewarding"意为“有回报的”，答案需解释词义并联系语境。）5.Accordingtothepassage,whydosomestudentsfindsciencesubjectsdifficult?（参考答案：Somestudentsfindsciencesubjectsdifficultbecausetheyneedmorethinking,andtheymaynotunderstandtheabstractconcepts.Also,theymightnothaveenoughtimetodoexperiments.）（解析：根据第4单元课文，科学学习的难点在于思考量和抽象概念，答案需全面说明。）6.WhatdoesthepassageinUnit4suggeststudentsdoafterreadingit?（参考答案：Thepassagesuggestsstudentsshouldtalktotheirteachersabouthowtostudyscience,balancetheirlearning,andfindtimetoexploresciencethroughexperiments.）（解析：根据第4单元课文结尾，建议学生与老师讨论、平衡学习、进行实验，答案需涵盖这些要点。）7.Accordingtothepassage,whatistheauthor’spurposeinwritingit?（参考答案：Theauthor’spurposeistoencouragestudentstostudyscienceinabetterway.Thepassageprovidesadviceonhowtoimprovesciencelearningandmakesitseemlesschallenging.）（解析：根据第4单元文章结构，作者旨在提供科学学习方法建议，答案需说明写作目的。）8.WhatdoesthepassageinUnit4suggeststudentsdotobecomebetterscientists?（参考答案：Thepassagesuggestsstudentsshouldbalancereadinganddoingexperiments,askteachersquestions,andfindinspirationfromdailylife.Agoodsciencestudentshouldalsobecuriousandobservant.）（解析：根据第4单元课文，科学学习需要理论与实践结合、提问、观察和好奇心，答案需全面覆盖。）五、应用题（总共8题，每题4分，共24分）1.SupposeyouareastudentinGrade9.AccordingtothepassageinUnit4,writeashortparagraph(about50words)abouthowyoucanimproveyoursciencelearning.（参考答案：Toimprovemysciencelearning,Iwillreadsciencebookseveryday,askteachersquestionswhenIdon’tunderstand,anddoexperimentsathome.Iwillalsobalancemylearningbynotspendingallmytimeonscience.Thiswillhelpmeunderstandsciencebetterandbecomemoreinterestedinit.）（解析：根据第4单元课文，答案需包含阅读、提问、实验和平衡学习，且需符合学生身份。）2.ThepassageinUnit4mentionsthatmanystudentsareinterestedinsciencebecauseitcanchangetheworldaroundus.Writeashortparagraph(about50words)abouthowsciencecanchangeourlives.（参考答案：Sciencecanchangeourlivesinmanyways.Forexample,ithelpsusunderstandtheweather,developnewmedicines,andcreatetechnologylikesmartphones.Sciencealsosolvesproblemslikepollutionandhelpsuslivehealthierandmorecomfortablelives.Withoutscience,ourworldwouldbeverydifferent.）（解析：根据第4单元课文，答案需说明科学对生活的影响，如天气、医疗、科技等，且需简洁明了。）3.Supposeyouareascienceteacher.AccordingtothepassageinUnit4,writeashortparagraph(about50words)abouthowyoucanhelpyourstudentsimprovetheirsciencelearning.（参考答案：Tohelpstudentsimprovetheirsciencelearning,Iwillencouragethemtoreadsciencebooks,askquestions,anddoexperiments.Iwillalsobalancetheirlearningbysuggestingtheystudyothersubjectstoo.Iwillmakesciencefunandinterestingtohelpthemunderstanditbetter.）（解析：根据第4单元课文，答案需包含阅读、提问、实验、平衡学习和趣味性，且需符合教师身份。）4.ThepassageinUnit4mentionsthatmanystudentsfindsciencesubjectsdifficultbecausetheyneedmorethinking.Writeashortparagraph(about50words)abouthowyoucanhelpstudentsovercomethischallenge.（参考答案：Tohelpstudentsovercomethechallengeofthinkinginscience,Iwillteachthemtobreakdownproblemsintosmallersteps,ask"why"questions,andthinkcreatively.Iwillalsoprovideexamplesandreal-lifeapplicationstomakesciencemorerelatable.Thiswillhelpthemunderstandandenjoysciencemore.）（解析：根据第4单元课文，答案需说明如何帮助学生思考，如分解问题、提问、创意思考等，且需具体可行。）5.Supposeyouareastudentwholikessciencebutfindsitdifficult.AccordingtothepassageinUnit4,writeashortparagraph(about50words)abouthowyoucanimproveyoursciencelearning.（参考答案：Toimprovemysciencelearning,Iwillreadsciencebooksmoreoften,askteachersforhelpwhenIdon’tunderstand,anddoexperimentstoseehowscienceworksinreallife.Iwillalsobalancemylearningbynotspendingallmytimeonscience.Thiswillhelpmeunderstandsciencebetterandbecomemoreconfident.）（解析：根据第4单元课文，答案需包含阅读、提问、实验和平衡学习，且需符合学生身份和需求。）6.ThepassageinUnit4mentionsthatmanystudentsareinspiredbysciencebecauseoffamousinventions.Writeashortparagraph(about50words)aboutafamousscientistandtheirinve