2026年四川省人教版初中英语上册第7章测试卷

2026年四川省人教版初中英语上册第7章测试卷一、单项选择题（每题2分，共20分）1.AccordingtothepassageinUnit7,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelppeopleunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.（解析：根据第7章第1节内容，文章明确指出科学学科能帮助人们更好地理解世界，选项B与原文主旨一致。选项A、C、D为干扰项，分别从难度、兴趣、就业角度误导，但均未涵盖核心原因。）2.Intheunit'sreadingpassage,howdoestheauthordescribetheroleofscientistsinsociety?A.Scientistsareonlyimportantinbigcompanies.B.Scientistsworkonlyinlaboratories.C.Scientistshelpsolveproblemsandmaketheworldbetter.D.Scientistsarefamousbecausetheywritemanybooks.（解析：第7章第2节通过案例说明科学家通过研究改善生活，选项C准确反映文章观点。选项A、B、D分别缩小了科学家的工作范围，与原文描述不符。）3.Whatadvicedoestheunit'sspeakingsectiongivetostudentswhowanttoimprovetheirscienceskills?A.Alwaysfollowtheteacher'sinstructionswithoutthinking.B.Onlystudysciencesubjectswhenyouhavefreetime.C.Practiceexperimentsandaskquestionsoften.D.Avoidsciencesubjectsbecausetheyaretoodifficult.（解析：第7章口语部分强调通过实践和提问提升科学能力，选项C与原文建议一致。选项A、B、D分别强调盲从、时间限制、放弃，均与科学学习方法相悖。）4.Accordingtotheunit'sgrammarsection,whichsentencecorrectlyusesthepresentperfecttense?A.Ihaveeatenbreakfastat7o'clockthismorning.B.Shewenttothelibraryyesterdayandfinishedherhomework.C.Theyhavelivedinthiscityforfiveyears.D.Hewillvisithisgrandparentsnextweekend.（解析：第7章语法重点讲解现在完成时，选项C正确表达持续状态，符合规则。选项A时间矛盾，选项B使用一般过去时，选项D使用一般将来时，均不符合题意。）5.Whatisthebesttitlefortheunit'swritingtask?A.MyFavoriteScientistB.WhyILikeScienceSubjectsC.ADayinaScientist'sLifeD.TheImportanceofScienceintheFuture（解析：第7章写作任务要求描述个人与科学的联系，选项B最符合主题。选项A、C、D分别侧重人物、生活、未来，与任务要求不符。）6.Intheunit'svocabularysection,whichwordbestmeans"todiscoversomethingnew"?A.inventB.explainC.observeD.imagine（解析：第7章词汇部分收录"discover"同义词，选项A准确表达发现创造。选项B解释，选项C观察，选项D想象，均与发现含义不同。）7.Accordingtotheunit'slisteningpassage,whatdoesthescientistsayaboutthefutureofspaceexploration?A.Spaceexplorationistooexpensivetocontinue.B.Spaceexplorationwillnotchangeourlives.C.Spaceexplorationcanhelpusfindnewplanets.D.Spaceexplorationisonlyforastronauts.（解析：第7章听力材料强调太空探索的进步意义，选项C与原文观点一致。选项A、B、D分别表达成本、无意义、限制性观点，与科学家看法不符。）8.Whatisthemainideaoftheunit'sreadingpassageaboutclimatechange?A.Climatechangeiscausedonlybyhumans.B.Climatechangeisnotaseriousproblem.C.Climatechangeaffectsmanypartsoftheworld.D.Climatechangecanbesolvedeasily.（解析：第7章阅读材料说明气候变化的影响范围，选项C准确概括。选项A、B、D分别缩小原因、淡化问题、夸大解决难度，与原文不符。）9.Accordingtotheunit'sspeakingsection,whatshouldstudentsdotoprepareforasciencefair?A.Onlybringpicturestoshowtheirproject.B.Notpracticetheirpresentationbecauseitisnotimportant.C.Researchtheirtopicandpracticetheirspeech.D.Askotherstudentstodotheworkforthem.（解析：第7章口语部分强调科学展览的准备方法，选项C符合要求。选项A、B、D分别忽视材料、忽视练习、抄袭，均不可取。）10.Whatisthecorrectwaytowriteasciencereportaccordingtotheunit'swritingsection?A.WriteonlyinEnglishbecauseitistheinternationallanguage.B.Usemanywordstomakethereportlooklong.C.Followthesteps:introduction,method,results,conclusion.D.Copyideasfromtheinternetwithoutchangingthem.（解析：第7章写作部分提供科学报告结构，选项C正确。选项A、B、D分别涉及语言、篇幅、抄袭问题，与规范不符。）二、填空题（每题2分，共20分）1.Theunit'sreadingpassagetellsusthatmanyscientists_______becausetheyarecuriousabouttheworld.2.Intheunit'sgrammarsection,welearnhowtousethe_______tensetotalkaboutfinishedactions.3.Theunit'sspeakingsectionsuggeststhatstudents_______totheirteachersiftheyhavequestionsaboutscience.4.Accordingtotheunit'svocabularylist,theword"________"means"tostudysomethingcarefully."5.Theunit'slisteningpassagementionsthatclimatechangecancause_______andfloods.6.Intheunit'swritingtask,studentsareaskedtowriteabouttheirfavorite_______andwhytheylikeit.7.Theunit'ssciencefairpreparationguidesaysstudentsshould_______theirprojectbeforetheevent.8.Theunit'sreadingpassageaboutspaceexplorationmentionsthattheMarsRover_______ontheredplanet.9.Theunit'sgrammarsectionexplainsthatthepresentperfecttenseisoftenusedwithwordslike_______and"already."10.Theunit'svocabularysectionincludestheword"________,"whichmeans"tothinkaboutaprobleminanewway."（参考答案：1.becomeinterested2.presentperfect3.ask4.observe5.drought6.scientist7.test8.haslanded9.just10.invent）三、判断题（每题2分，共20分）1.Theunit'sreadingpassagesaysthatallscientistsworkinbiguniversities.2.Accordingtotheunit'sgrammarsection,thesentence"Ihavereadthisbook"isinthepresentperfecttense.3.Theunit'sspeakingsectionsuggeststhatstudentsshouldnotpracticetheirsciencefairpresentation.4.Theunit'svocabularylistincludestheword"experiment,"whichmeans"totrysomethingtoseewhathappens."5.Theunit'slisteningpassagementionsthatclimatechangewillnotaffectourplanetinthefuture.6.Intheunit'swritingtask,studentsareaskedtowriteaboutafamousscientistintheirowncountry.7.Theunit'ssciencefairpreparationguidesaysstudentsshouldnotbringanymaterialstotheevent.8.Theunit'sreadingpassageaboutspaceexplorationsaysthathumanshaveneverbeentotheMoon.9.Theunit'sgrammarsectionexplainsthatthepresentperfecttensecanbeusedwith"yesterday"and"lastweek."10.Theunit'svocabularysectionincludestheword"discover,"whichmeans"tofindsomethingforthefirsttime."（参考答案：1.×2.√3.×4.√5.×6.×7.×8.×9.×10.√）四、简答题（每题2分，共16分）1.Accordingtotheunit'sreadingpassage,whydosomestudentschoosetostudysciencesubjects?2.Whatdoestheunit'sgrammarsectionteachusaboutthepresentperfecttense?3.Intheunit'sspeakingsection,whatadvicedoestheteachergiveaboutaskingquestionsinscienceclass?4.Whatisthemainideaoftheunit'sreadingpassageaboutclimatechange?5.Accordingtotheunit'swritingsection,whatarethestepstowriteagoodsciencereport?6.Whatdoestheunit'svocabularysectionteachusabouttheword"observe"?7.Intheunit'slisteningpassage,whatdoesthescientistsayabouttheimportanceofteamworkinscience?8.Whatshouldstudentsdotoprepareforasciencefairaccordingtotheunit'ssciencefairpreparationguide?（参考答案：1.Studentschoosesciencebecauseithelpsthemunderstandtheworld,anditcanleadtointerestingjobs.2.Thepresentperfecttenseisusedtotalkaboutactionsthatfinishedinthepastbutareconnectedtothepresent.3.Theteachersuggestsaskingquestionsinscienceclassbecausecuriosityhelpslearning.4.Thepassagesaysclimatechangeaffectsmanyplaces,causingproblemslikedroughts.5.Writeanintroduction,method,results,andconclusion.6."Observe"meanstowatchsomethingcarefullytolearn.7.Thescientistsaysteamworkisimportantbecausescientistsworktogethertosolvebigproblems.8.Studentsshouldtesttheirprojectandpracticetheirpresentation.)五、应用题（每题4分，共24分）1.Writeashortparagraph(5-6sentences)aboutwhyyouthinksciencesubjectsareimportantforstudentstoday.（参考答案：Sciencesubjectsareimportantbecausetheyhelpusunderstandtheworld.Theyteachushowthingswork,fromnaturetotechnology.Sciencealsopreparesusforfuturejobsinmanyfields.Learningsciencecanmakeusmorecuriousandcreative.Ithelpsussolveproblemsandmaketheworldbetter.）2.Completethefollowingdialoguebetweenastudentandascienceteacheraboutasciencefairproject.Student:Hi,Teacher.Iamdoingaprojectaboutplants.Canyougivemesomeadvice?Teacher:_______First,makesureyourexperimentissimplebutinteresting._______Also,writedownyourstepsclearly._______Finally,practiceexplainingyourprojecttoothers.Student:Thankyou,Teacher!（参考答案：1.Yes,Ican.2.Youshouldtesthowdifferentconditionsaffectplantgrowth.3.That'sagoodideaforyourpresentation.)3.Rewritethefollowingsentenceusingthepresentperfecttense:"Shefinishedherhomeworkyesterday."（参考答案：Shehasfinishedherhomework.)4.Usetheword"discover"towriteashortsentenceaboutspaceexploration.（参考答案：ManyscientistshavediscoverednewthingsaboutMars.)5.Writethreetipsforstudentswhowanttoimprovetheirscienceskills.（参考答案：1.Readsciencebooksandarticles.2.Doexperimentsathome.3.Askquestionsinclass.)6.Imagineyouareascientist.Writeashortparagraph(4-5sentences)aboutyourfavoriteinventionandwhyitisimportant.（参考答案：Myfavoriteinventionisthesmartphone.Ithelpspeoplecommunicateeasily.Italsogivesusaccesstoinformation.Smartphonescanevenhelpinemergencies.Theyhavechangedhowwelive.)六、案例分析（每题3分，共18分）1.Readthefollowingcase:AstudentnamedLiMingwantstojoinascienceclubbutisafraidofaskingquestionsinclass.Whatadvicecanyougivehimaccordingtotheunit'sspeakingsection?（参考答案：IwouldtellLiMingthataskingquestionsisnormalandimportant.Theunitsaysstudentsshouldaskteachersiftheydon'tunderstand.Practiceathomefirst,andrememberthatcuriosityiskeyinscience.）2.Asciencefairprojectisaboutrecycling.Thestudentwrote:"Iputpaperinabox.Iwaitonemonth."Isthisagoodexperiment?Whyorwhynot?（参考答案：No,itisnotgood.Theunitsaysexperimentsshouldbeclearandtestaspecificidea.Waitingonemonthistooshorttoseeresults.Thestudentshouldwritestepslike"putpaperinwatertoseeifitdissolves"or"comparerecyclingmethods."）3.Areadingpassagesays:"Climatechangeismakingtheweatherhotterandunpredictable."Whatdoesthismeanforthefuture?（参考答案：Thismeansmoreextremeweather,likeheatwavesorfloods.Itcouldaffectagriculture,cities,andanimals.Peopleneedtotakeactiontoreduceclimatechange.)4.Astudentwroteasciencereportbutcopiedideasfromtheinternetwithoutchangingthem.Isthisokay?Whyorwhynot?（参考答案：No,itisnotokay.Theunitsaysreportsshouldbeoriginal.Copyingisplagiarism,andteachersexpectstudentstodotheirownwork.Thestudentshouldrewritethereportusingtheirownwords.)5.Alisteningpassagementionsascientistwhoworkedinateamtostudytheocean.Whatdoesthistellusaboutscience?（参考答案：Itshowsthatscienceoftenrequiresteamwork.Bigproblems,likeoceanresearch,needmanypeoplewithdifferentskills.Scientistsworktogethertomakediscoveries.)6.Astudentaskedtheteacher:"DoIneedtobringmaterialsforthesciencefair?"Theteachersaid:"Yes,youshouldtestyourprojectbeforetheevent."Whatshouldthestudentdonext?（参考答案：Thestudentshouldpreparematerialstotesttheirproject.Forexample,iftheprojectisaboutplants,theycouldbringsoil,water,andsunlight.Testinghelpsmaketheprojectsuccessful.)七、论述题（每题4分，共16分）1.Whyisitimportantforstudentstostudysciencesubjectsinthe21stcentury?（参考答案：Studyingscienceisimportantbecauseithelpsusunderstandtheworld.Scienceteachescriticalthinkingandproblem-solving.Italsopreparesusforfuturejobsintechnology,medicine,andmore.Inthe21stcentury,scienceiskeytosolvingbigchallengeslikeclimatechangeandhealthissues.）2.Howcanstudentsimprovetheirscienceskillsaccordingtotheunit'sadvice?（参考答案：Studentscanimprovebyreadingsciencebooks,doingexperiments,andaskingquestions.Theunitsuggestspracticingpresentationsandworkinginteams.Also,testingprojectsandwritingreportshelps.Consistenteffortandcuriosityarethebestwaystolearnscience.)3.Whatdoestheunitteachusabouttheroleofscientistsinsociety?（参考答案：Theunitshowsthatscientistsdiscovernewthings,solveproblems,andimprovelife.Theyworkinlabs,universities,andcompanies.Scientistsalsocommunicatetheirfindingstoothers.Theirworkhelpssocietyprogressandadapttochallenges.)4.Howcanstudentsprepareforasciencefairaccordingtotheunit'sguide?（参考答案：Studentsshouldchooseaninterestingtopic,testtheirproject,andwriteareport.Theunitalsosaystopracticeexplainingtheirwork.Bringingmaterialstotesttheprojectisimportant.Finally,studentsshouldbereadytoanswerquestionsfromothers.)八、标准答案及解析一、单项选择题1.B2.C3.C4.C5.B6.A7.C8.C9.C10.C解析：每题均根据第7章具体内容分析，干扰项设置符合易错点规律。二、填空题1.becomeinterested2.presentperfect3.ask4.observe5.drought6.scientist7.test8.haslanded9.just10.invent解析：每空对应单元词汇、语法、听力、写作等知识点，填空格式规范。三、判断题1.×2.√3.×4.√5.×6.×7.×8.×9.×10.√解析：判断题基于单元内容设置，与原文对比明确正误。四、简答题1.Studentschoosesciencebecauseithelpsthemunderstandtheworld,anditcanleadtointerestingjobs.2.Thepresentperfecttenseisusedtotalkaboutactionsthatfinishedinthepastbutareconnectedtothepresent.3.Theteachersuggestsaskingquestionsinscienceclassbecausecuriosityhelpslearning.4.Thepassagesaysclimatechangeaffectsmanyplaces,causingproblemslikedroughts.5.Writeanintroduction,method,results,andconclusion.6."Observe"meanstowatchsomethingcarefullytolearn.7.Thescientistsaysteamworkisimportantbecausescientistsworktogethertosolvebigproblems.8.Studentsshouldtesttheirprojectandpracticetheirpresentation.解析：简答题答案完整覆盖单元核心知识点，解析详细说明依据。五、应用题1.Sciencesubjectsareimportantbecausetheyhelpusunderstandtheworld.Theyteachushowthingswork,fromnaturetotechnology.Sciencealsopreparesusforfuturejobsinmanyfields.Learningsciencecanmakeusmorecuriousandcreative.Ithelpsussolveproblemsandmaketheworldbetter.2.1.Yes,Ican.2.Youshouldtesthowdifferentconditionsaffectplantgrowth.3.That'sagoodideaforyourpresentation.3.Shehasfinishedherhomework.4.ManyscientistshavediscoverednewthingsaboutMars.5.1.Readsciencebooksandarticles.2.Doexperimentsathome.3.Askquestionsinclass.6.Myfavoriteinventionisthesmartphone.Ithelpspeoplecommunicateeasily.Italsogivesusaccesstoinformation.Smartphonescanevenhelpinemergencies.Theyhavechangedhowwelive.解析：应用题答案结合单元内容，案例背景原创，解析说明考查目的。六、案例分析1.IwouldtellLiMingthataskingquestionsisnormalandimportant.Theunitsaysstudentsshouldaskteachersiftheydon'tunderstand.Practiceathomefirst,andrememberthatcuriosityiskeyinscience.2.No,itisnotgood.Theunitsaysexperimentsshouldbeclearandtestaspecificidea.Waitingonemonthistooshorttoseeresults.Thestudentshouldwritestepslike"putpaperinwatertoseeifitdissolves"or"comparerecyclingmethods."3.Thismeansmoreextremeweather,likeheatwavesorfloods.Itcouldaffectagriculture,cities,andanimals.Peopleneedtotakeactiontoreduceclimatechang