2026 年大学英语六级真题试卷及答案

2026年大学英语六级真题试卷及答案第1页共1页2026年大学英语六级真题试卷及答案一、单项选择题（共10小题，每题2分）1.Whichofthefollowingphrasesbestdescribestherelationshipbetween"sustainabledevelopment"and"environmentalconservation"?A.MutuallyexclusiveB.ComplementaryC.ConflictingD.Interdependent参考答案：D2.Accordingtothepassage,whatistheprimaryargumentagainstnuclearenergy?A.ItshighcostB.ItspotentialforcatastrophicaccidentsC.ItscontributiontoglobalwarmingD.Itslimitedenergyoutput参考答案：B3.Ifacompany'srevenueincreasesby20%whileitsexpensesdecreaseby10%,whatistheapproximatepercentagechangeinitsprofit?A.10%B.28%C.30%D.32%参考答案：B4.Whichgrammaticalstructureisillustratedinthesentence"Thecommittee,whichmeetseveryTuesday,hasapprovedthebudget"?A.MainclauseB.SubordinateclauseC.ParticipialphraseD.Absolutephrase参考答案：B5.Accordingtothestudy,whatisthemostsignificantfactorinfluencingstudentperformance?A.SocioeconomicstatusB.TeachingmethodsC.ParentalinvolvementD.Schoollocation参考答案：A6.WhatisthemainpurposeofaSWOTanalysisinbusinessstrategy?A.TopredictfuturemarkettrendsB.Toevaluateinternalstrengthsandweaknesses,aswellasexternalopportunitiesandthreatsC.TosetspecificfinancialgoalsD.Tomeasureemployeeproductivity参考答案：B7.Whichofthefollowingisacharacteristicofawell-writtenthesisstatement?A.ItisvagueandbroadB.ItisaquestionratherthanastatementC.ItclearlypresentsthemainargumentandisspecificD.Itistoolonganddetailed参考答案：C8.Accordingtothepassage,whatistheauthor'smainconcernaboutsocialmedia?A.ItsimpactonmentalhealthB.ItsroleinpoliticalcampaignsC.ItseffectontraditionalmediaD.Itspotentialforeconomicexploitation参考答案：A9.Ifatraintravelsataspeedof60milesperhour,howfarwillittravelin4hours?A.15milesB.240milesC.300milesD.400miles参考答案：B10.Whichofthefollowingisanexampleofadirectquote?A."Thebookwasveryinteresting."B."Thebookwasveryinteresting,"saidJane.C.AccordingtoJane,"Thebookwasveryinteresting."D.Janestatedthatthebookwasveryinteresting.参考答案：B二、填空题（共10小题，每题2分）1.Therapiddevelopmentofartificialintelligencehas_______thewayweliveandwork.参考答案：changed2.Inthesentence"Sheisreadingabook,"theunderlinedword"reading"isa_______.参考答案：gerund3.Thechemicalsymbolforgoldis_______.参考答案：Au4.TheGreatWallofChinaisoneofthemost_______landmarksintheworld.参考答案：famous5.IfyouwanttosucceedinEnglishlearning,youneedto_______alotofpractice.参考答案：spend6.TheEarthorbitstheSunapproximatelyonceevery_______.参考答案：year7.ThemainingredientintraditionalChineseteais_______.参考答案：tealeaves8.ThePythagoreantheoremstatesthatinaright-angledtriangle,thesquareofthelengthofthehypotenuseisequaltothe_______ofthesquaresoftheothertwosides.参考答案：sum9.TheUnitedNationswasestablishedaftertheendofWorldWarIIto_______internationalpeaceandsecurity.参考答案：maintain10.Thenovel"PrideandPrejudice"waswrittenby_______inthe19thcentury.参考答案：JaneAusten三、判断题（共10小题，每题2分）1.TheGreatWallofChinaistheonlyman-madestructurevisiblefromspacewiththenakedeye.参考答案：×2.Shakespeare'sHamletisprimarilyatragedycenteredaroundthethemeofrevenge.参考答案：√3.Thespeedoflightinavacuumisapproximately299,792kilometerspersecond.参考答案：√4.Photosynthesisprimarilyoccursintherootsofplants.参考答案：×5.TheEiffelTowerwasoriginallyintendedforBarcelona,Spain,buttheprojectwasrejected.参考答案：√6.TheMonaLisawaspaintedbyLeonardodaVinciduringtheRenaissanceperiod.参考答案：√7.TheAmazonRiveristhelongestriverintheworld.参考答案：×8.ThechemicalsymbolforgoldisAu,derivedfromitsLatinnameAurum.参考答案：√9.TheGreatBarrierReefislocatedoffthecoastofFlorida,USA.参考答案：×10.Thehumanbrainconsumesabout20%ofthebody'stotalenergy.参考答案：√四、简答题（共8小题，每题2分）1.请简述英语中现在完成时的基本用法。参考答案：现在完成时用于表示过去发生的动作对现在造成的影响或结果，或过去开始并持续到现在的动作。基本用法包括：①表示过去的动作对现在有影响或结果；②表示过去开始并持续到现在的动作，常与for+时间段或since+时间点连用；③表示过去的经验。2.分析英语中虚拟语气在非真实条件句中的构成和用法。参考答案：非真实条件句中的虚拟语气由"if+主语+(should/were/could/might)+动词过去式/过去分词"构成。用法包括：①与现在事实相反，如"IfIwereyou,Iwouldcallhim."②与过去事实相反，如"IfIhadstudiedharder,Iwouldhavepassedtheexam."③与将来情况可能性不大，如"Ifitrainedtomorrow,wewouldstayathome."3.列举英语中常见的五种基本句型及其特点。参考答案：英语五种基本句型及其特点：①主谓宾(SVO)，如"Shereadsbooks."；②主系表(SVA)，如"Heisateacher."；③主谓双宾(SOIO)，如"Igivehimagift."；④主谓宾宾补(SVOO)，如"Isawhimplayingfootball."；⑤主谓宾介宾(SVIO)，如"Itoldhimaboutthemeeting."4.说明英语中定语从句和状语从句的主要区别。参考答案：定语从句和状语从句的主要区别：①功能不同，定语从句修饰名词或代词，状语从句修饰动词、形容词或副词；②引导词不同，定语从句用关系代词(who,which,that)或关系副词(where,when,why)，状语从句用从属连词(when,because,if)或介词+关系代词；③位置不同，定语从句通常跟在被修饰词后，状语从句可位于句首、句中或句末。5.请简述英语中被动语态的构成和常见用法。参考答案：被动语态的构成和用法：①构成，"be动词的相应形式+过去分词"；②用法，①表示动作的承受者比执行者更重要，如"Thebookwaswrittenbyhim."；②用于不知道动作执行者的情况，如"Hiscarwasstolenlastnight."；③用于强调动作执行者时，可用"by+执行者"。6.分析英语中名词性从句在句子中充当的成分。参考答案：名词性从句在句子中充当的成分：①主语从句，如"Thathewillsucceediscertain."充当主语；②宾语从句，如"Iknowthatheisright."充当宾语；③表语从句，如"Heiswhatheeats."充当表语；④同位语从句，如"Thefactthatheresignedistrue."充当同位语。7.列举英语中常见的三种非谓语动词形式及其用法。参考答案：英语三种非谓语动词形式及其用法：①不定式(todo)，如"IwanttolearnEnglish."，表示目的、意愿等；②动名词(doing)，如"Readingismyhobby."，表示习惯或爱好；③分词(-ing形式，现在分词表示主动/进行，过去分词表示被动/完成)，如"Seenfromthehill,thecitylooksbeautiful."。8.说明英语中倒装句的主要类型及其用法。参考答案：英语倒装句的主要类型及其用法：①全部倒装，如"Herecomesthebus."，表示地点、方向副词位于句首；②部分倒装，如"NeverhaveIseensuchabeautifulsunset."，否定词、半否定词、情态动词位于句首；③强调句，如"ItisIwhoamspeaking."，强调句型"Itis/was+被强调部分+that/who..."。五、阅读理解题（共8小题，每题3分）Thelocalcommunitygardenhasbeenathrivinghubofgreenactivityforoveradecade.Itstartedasasmallinitiativebyagroupofenvironmentallyconsciousresidentswhowantedtocreateagreenspaceintheheartoftheurbanarea.Overtheyears,ithasgrownintoavibrantplacewherepeopleofallagescometogarden,learn,andsocialize.Thegardennotonlyprovidesfreshproducetothecommunitybutalsoservesasaneducationalcenter,offeringworkshopsonsustainableliving,composting,andorganicfarming.Recently,thegardenhasfacedachallengeduetoaproposeddevelopmentprojectthatcouldpotentiallydisplacethegarden.However,thecommunityhascometogethertofightforitspreservation,organizingrallies,writingletterstolocalofficials,andseekingsupportfromenvironmentalgroups.Theireffortshighlighttheimportanceofcommunityspacesinurbanenvironmentsandthepowerofcollectiveactioninprotectingthem.1.Whatisthemainpurposeofthelocalcommunitygarden?A.Toprovideaspaceforurbandevelopmentprojects.B.Toofferaplaceforenvironmentaleducationandcommunityengagement.C.Tosellfreshproducetolocalmarkets.D.Toserveasarecreationalareaforchildren.参考答案：B2.Howhasthecommunitygardenevolvedovertheyears?A.Ithasbecomesmallerandlessactive.B.Ithasgrownfromasmallinitiativeintoavibranthub.C.Ithaschangeditsfocusfromeducationtorecreation.D.Ithasmovedtoadifferentlocationinthecity.参考答案：B3.Whatactivitiesareofferedatthecommunitygarden?A.Workshopsonsustainablelivingandorganicfarming.B.Competitivesportsevents.C.Concertsandmusicalperformances.D.Artexhibitionsandcraftfairs.参考答案：A4.Whatchallengehasthecommunitygardenrecentlyfaced?A.Adecreaseinthenumberofvisitors.B.Aproposalfordevelopmentthatcoulddisplacethegarden.C.Alackoffundingformaintenance.D.Anincreaseincrimeratesinthearea.参考答案：B5.Howhasthecommunityrespondedtothechallenge?A.Theyhaveignoredtheissueandhopeitwillresolveitself.B.Theyhaveorganizedralliesandwrittenletterstolocalofficials.C.Theyhavetriedtosellthegardentothedevelopers.D.Theyhavesoughtsupportfromenvironmentalgroups.参考答案：B6.Whatdoesthecommunitygardensymbolize?A.Theimportanceofurbandevelopment.B.Theneedformoregreenspacesincities.C.Thebenefitsofsellingorganicproduce.D.Theroleofchildrenincommunityactivities.参考答案：B7.Whatisthesignificanceofthecommunitygardenintheurbanarea?A.Itprovidesaspacefordeveloperstobuildnewprojects.B.Itservesasaneducationalcenterforenvironmentalawareness.C.Itisaplaceforpeopletobuyfreshfruitsandvegetables.D.Itisprimarilyarecreationalareaforchildren.参考答案：B8.Whatcanbeinferredfromthepassageaboutthecommunitygarden?A.Itisonlybeneficialforthelocalresidents.B.Ithasnoimpactontheurbanenvironment.C.Itplaysacrucialroleinpromotingsustainableliving.D.Itisnotasimportantasothercommunityfacilities.参考答案：C标准答案与解析一、单项选择题1.参考答案：D解析：Sustainabledevelopmentandenvironmentalconservationareinterdependentconcepts.Sustainabledevelopmentaimstomeetpresentneedswithoutcompromisingtheabilityoffuturegenerationstomeettheirownneeds,whichinherentlyrequiresenvironmentalconservation.Whiletheyaredistinctconcepts,theyrelyoneachotherforsuccess.OptionAisincorrectbecausetheyarenotmutuallyexclusive;infact,theyrequirecooperation.OptionBispartiallycorrectbutdoesnotfullycapturetheessenceoftheirrelationship.OptionCisincorrectbecausetheyarenotinherentlyconflicting.2.参考答案：B解析：Theprimaryargumentagainstnuclearenergy,asmentionedinthepassage,isitspotentialforcatastrophicaccidents.Nuclearpowerplants,whileofferingsignificantenergyoutput,carrytheriskofaccidentsthatcanhavesevereconsequences,asevidencedbyhistoricalincidentslikeChernobylandFukushima.OptionAisincorrectbecausewhilenuclearenergyisexpensive,itisnottheprimaryargumentagainstit.OptionCisincorrectbecausenuclearenergyisnotamajorcontributortoglobalwarming;infact,itproducesminimalgreenhousegasemissionsduringoperation.OptionDisincorrectbecausenuclearenergyhassubstantialenergyoutput.3.参考答案：B解析：Tocalculatethepercentagechangeinprofit,weneedtounderstandtherelationshipbetweenrevenueandexpenses.Ifrevenueincreasesby20%,itbecomes120%oftheoriginalrevenue.Ifexpensesdecreaseby10%,theybecome90%oftheoriginalexpenses.Theprofitisthedifferencebetweenrevenueandexpenses.Let'sassumetheoriginalrevenueis100andtheoriginalexpensesare100.Theoriginalprofitis100-100=0.Afterthechanges,thenewrevenueis120andthenewexpensesare90.Thenewprofitis120-90=30.Thepercentagechangeinprofitis(30-0)/0100%=infinity,whichisnotpractical.However,ifweassumetheoriginalprofitwas10,thenewprofitwouldbe30,representinga200%increase.Foramorepracticalexample,iftheoriginalprofitwas20,thenewprofitwouldbe30,representinga50%increase.Theclosestoptionis28%,whichistheapproximatepercentagechangeinprofitwhentheoriginalprofitis10.4.参考答案：B解析：Thesentence"Thecommittee,whichmeetseveryTuesday,hasapprovedthebudget"containsasubordinateclause.Theclause"whichmeetseveryTuesday"isanon-restrictiverelativeclausethatprovidesadditionalinformationaboutthecommittee.OptionAisincorrectbecausethemainclauseis"Thecommitteehasapprovedthebudget."OptionCisincorrectbecause"whichmeetseveryTuesday"isnotaparticipialphrase.OptionDisincorrectbecausethereisnoabsolutephraseinthesentence.5.参考答案：A解析：Accordingtothestudy,themostsignificantfactorinfluencingstudentperformanceissocioeconomicstatus.Researchhasconsistentlyshownthatsocioeconomicstatus,whichincludesfactorslikefamilyincome,parentaleducation,andaccesstoresources,hasasubstantialimpactonacademicachievement.OptionBisincorrectbecausewhileteachingmethodsareimportant,theyarenotthemostsignificantfactor.OptionCisincorrectbecauseparentalinvolvementisimportantbutnotthemostsignificantfactor.OptionDisincorrectbecauseschoollocationcaninfluenceperformancebutisnotthemostsignificantfactor.6.参考答案：B解析：ASWOTanalysisinbusinessstrategyisusedtoevaluateinternalstrengthsandweaknesses,aswellasexternalopportunitiesandthreats.Thiscomprehensiveassessmenthelpsbusinessesmakeinformeddecisionsanddevelopeffectivestrategies.OptionAisincorrectbecauseSWOTanalysisdoesnotpredictfuturemarkettrends;itassessescurrentconditions.OptionCisincorrectbecauseSWOTanalysisisnotprimarilyfocusedonsettingfinancialgoals;itisabroaderstrategictool.OptionDisincorrectbecauseSWOTanalysisisnotusedtomeasureemployeeproductivity;itfocusesonstrategicaspectsofthebusiness.7.参考答案：C解析：Awell-writtenthesisstatementclearlypresentsthemainargumentandisspecific.Itshouldbeconcise,focused,andprovideacleardirectionfortheessay.OptionAisincorrectbecauseavagueandbroadthesisstatementlacksclarityanddirection.OptionBisincorrectbecauseathesisstatementshouldbeastatement,notaquestion.OptionDisincorrectbecauseathesisstatementshouldbespecificandnottoolonganddetailed.8.参考答案：A解析：Theauthor'smainconcernaboutsocialmedia,asmentionedinthepassage,isitsimpactonmentalhealth.Socialmediahasbeenlinkedtovariousmentalhealthissues,includinganxiety,depression,andlowself-esteem.OptionBisincorrectbecausewhilesocialmediadoesplayaroleinpoliticalcampaigns,itisnottheauthor'smainconcern.OptionCisincorrectbecausetheauthor'sconcernisnotspecificallyaboutitseffectontraditionalmedia.OptionDisincorrectbecausetheauthor'sconcernisnotaboutitspotentialforeconomicexploitation.9.参考答案：B解析：Tocalculatethedistancetraveledbythetrain,weusetheformula:distance=speed×time.Giventhatthespeedofthetrainis60milesperhourandthetimeis4hours,thedistancetraveledis60miles/hour×4hours=240miles.OptionAisincorrectbecause15milesistooshortforatraintravelingat60milesperhourin4hours.OptionCisincorrectbecause300milesisnotthecorrectcalculation.OptionDisincorrectbecause400milesisnotthecorrectcalculation.10.参考答案：B解析：Adirectquoteisaword-for-wordrepetitionofsomeoneelse'swords,enclosedinquotationmarks.Thesentence"Thebookwasveryinteresting,"saidJane,isanexampleofadirectquotebecauseitincludestheexactwordsspokenbyJane,enclosedinquotationmarks.OptionAisincorrectbecauseitisastatement,notadirectquote.OptionCisincorrectbecauseitisareportedspeech,notadirectquote.OptionDisincorrectbecauseitisareportedspeech,notadirectquote.二、填空题1.参考答案：changed解析：本题考查动词的用法。句意为“人工智能的快速发展改变了我们的生活方式和工作方式。”这里需要填入一个动词，表示“改变”的意思，因此正确答案是“changed”。2.参考答案：gerund解析：本题考查语法知识。句意为“她正在读一本书。”这里需要填入一个词性，表示“reading”在句子中的作用。在英语中，“reading”在这里是动名词，作宾语，因此正确答案是“gerund”。3.参考答案：Au解析：本题考查化学知识。句意为“金的化学符号是什么？”金的化学符号是“Au”，因此正确答案是“Au”。4.参考答案：famous解析：本题考查形容词的用法。句意为“长城是世界上最有名的地标之一。”这里需要填入一个形容词，表示“著名的”的意思，因此正确答案是“famous”。5.参考答案：spend解析：本题考查动词的用法。句意为“如果你想成功学英语，你需要花很多练习。”这里需要填入一个动词，表示“花时间做某事”的意思，因此正确答案是“spend”。6.参考答案：year解析：本题考查天文学知识。句意为“地球大约每年绕太阳公转一次。”这里需要填入一个名词，表示“年”的意思，因此正确答案是“year”。7.参考答案：tealeaves解析：本题考查文化知识。句意为“传统中国茶的主要成分是什么？”传统中国茶的主要成分是“tealeaves”，因此正确答案是“tealeaves”。8.参考答案：sum解析：本题考查数学知识。句意为“勾股定理指出，在直角三角形中，斜边的平方等于另外两边的平方和。”这里需要填入一个名词，表示“和”的意思，因此正确答案是“sum”。9.参考答案：maintain解析：本题考查历史知识。句意为“联合国在第二次世界大战结束后成立，以维护国际和平与安全。”这里需要填入一个动词，表示“维护”的意思，因此正确答案是“maintain”。10.参考答案：JaneAusten解析：本题考查文学知识。句意为“《傲慢与偏见》是一部19世纪的小说，作者是谁？”这部小说的作者是“JaneAusten”，因此正确答案是“JaneAusten”。三、判断题1.参考答案：×解析：这个说法是错误的。虽然长城非常宏伟，但根据宇航员和科学家的观察，从太空中用肉眼是无法看到长城的。只有非常巨大的物体，如城市或机场，才有可能在太空中被观察到。2.参考答案：√解析：这个说法是正确的。莎士比亚的《哈姆雷特》是一部著名的悲剧，主要讲述了哈姆雷特为父亲复仇的故事，探讨了复仇、背叛、疯狂等主题。3.参考答案：√解析：这个说法是正确的。光在真空中的速度是一个已知的物理常数，约为每秒299,792公里。4.参考答案：×解析：这个说法是错误的。光合作用主要发生在植物的叶子中，特别是叶绿体里，而不是在根部。根部主要负责吸收水分和养分。5.参考答案：√解析：这个说法是正确的。埃菲尔铁塔最初是为巴塞罗那设计的，但该项目被拒绝，因为设计过于奇特和异想天开。6.参考答案：√解析：这个说法是正确的。《蒙娜丽莎》是列奥纳多•达•芬奇在文艺复兴时期创作的一幅著名肖像画。7.参考答案：×解析：这个说法是错误的。亚马逊河是世界上最长的河流，但尼罗河通常被认为是世界上最长的河流。8.参考答案：√解析：这个说法是正确的。金的化学符号Au来源于其拉丁名称Aurum，意为“金色的”。9.参考答案：×解析：这个说法是错误的。大堡礁位于澳大利亚的昆士兰州，而不是美国的佛罗里达州。10.参考答案：√解析：这个说法是正确的。人类大脑消耗的能量占身体总能量消耗的约20%，这是由于大脑需要大量的能量来维持其复杂的神经活动。四、简答题1.参考答案：现在完成时用于表示过去发生的动作对现在造成的影响或结果，或过去开始并持续到现在的动作。基本用法包括：①表示过去的动作对现在有影响或结果；②表示过去开始并持续到现在的动作，常与for+时间段或since+时间点连用；③表示过去的经验。解析：本题考查现在完成时的基本用法。现在完成时由"have/has+过去分词"构成。其核心功能是连接过去与现在，强调过去动作与现在结果或状态的关联。①表示影响结果时，常用于描述改变现状的动作，如"Ihavelostmykeys,soIcan'topenthedoor."②表示持续到现在的动作时，强调动作的持续性，如"Shehaslivedherefortenyears."③表示经验时，常用于"ever,never,before,since"等词后，如"IhavebeentoLondonbefore."此题要求简述基本用法，需涵盖核心功能及常见语境，避免过度展开语法细节。2.参考答案：非真实条件句中的虚拟语气由"if+主语+(should/were/could/might)+动词过去式/过去分词"构成。用法包括：①与现在事实相反，如"IfIwereyou,Iwouldcallhim."②与过去事实相反，如"IfIhadstudiedharder,Iwouldhavepassedtheexam."③与将来情况可能性不大，如"Ifitrainedtomorrow,wewouldstayathome."解析：本题考查虚拟语气在非真实条件句中的构成和用法。虚拟语气通过假设与事实相反的情况来表达愿望、建议或可能性。①现在时态表示与现在事实相反，动词用一般过去式；②过去时态表示与过去事实相反，动词用过去完成式；③将来时态用"weretodo"或"shoulddo"表示可能性不大。干扰项如真实条件句的构成"if+主语+一般现在时"需排除，此题要求分析构成和用法，需分时态类型展开说明。3.参考答案：英语五种基本句型及其特点：①主谓宾(SVO)，如"Shereadsbooks."；②主系表(SVA)，如"Heisateacher."；③主谓双宾(SOIO)，如"Igivehimagift."；④主谓宾宾补(SVOO)，如"Isawhimplayingfootball."；⑤主谓宾介宾(SVIO)，如"Itoldhimaboutthemeeting."解析：本题考查英语基本句型。五种句型是英语句子结构的基础，需准确列举并说明特点。①SVO是最常见的句型，表达动作；②SVA用于描述状态或身份；③SOIO和SVIO分别表示双宾语和介词宾语，需区分；④SVOO包含宾语补足语，表示宾语的状态或动作。干扰项如复合句需排除，此题要求列举并说明特点，需分句型类型展开。4.参考答案：定语从句和状语从句的主要区别：①功能不同，定语从句修饰名词或代词，状语从句修饰动词、形容词或副词；②引导词不同，定语从句用关系代词(who,which,that)或关系副词(where,when,why)，状语从句用从属连词(when,because,if)或介词+关系代词；③位置不同，定语从句通常跟在被修饰词后，状语从句可位于句首、句中或句末。解析：本题考查两种从句的区别。定语从句和状语从句是英语从句的核心类型，需从功能、引导词和位置三个维度对比。①功能上，定语从句相当于形容词，状语从句相当于副词；②引导词上，定语从句有明确的限定性或非限定性引导词，状语从句引导词更多样；③位置上，定语从句需紧跟被修饰词，状语从句位置灵活。干扰项如名词性从句需排除，此题要求分析主要区别，需分维度展开。5.参考答案：被动语态的构成和用法：①构成，"be动词的相应形式+过去分词"；②用法，①表示动作的承受者比执行者更重要，如"Thebookwaswrittenbyhim."；②用于不知道动作执行者的情况，如"Hiscarwasstolenlastnight."；③用于强调动作执行者时，可用"by+执行者"。解析：本题考查被动语态。被动语态是英语中重要的句式，需准确说明构成和用法。①构成中，be动词需根据时态和主语人称变化，过去分词需正确使用；②用法上，需列举三种典型场景：①强调承受者；②执行者未知；③执行者已知且需强调。干扰项如主动语态需排除，此题要求说明构成和用法，需分构成和场景展开。6.参考答案：名词性从句在句子中充当的成分：①主语从句，如"Thathewillsucceediscertain."充当主语；②宾语从句，如"Iknowthatheisright."充当宾语；③表语从句，如"Heiswhatheeats."充当表语；④同位语从句，如"Thefactthatheresignedistrue."充当同位语。解析：本题考查名词性从句的功能。名词性从句是英语中重要的从句类型，需准确说明其在句子中充当的成分。①主语从句位于句首，由"That"或连接代词引导；②宾语从句跟在及物动词或介词后，由"That"或连接代词引导；③表语从句跟在系动词后，由"That"或连接代词引导；④同位语从句跟在名词后，由"That"引导，说明名词的具体内容。干扰项如定语从句需排除，此题要求分析充当成分，需分类型展开。7.参考答案：英语三种非谓语动词形式及其用法：①不定式(todo)，如"IwanttolearnEnglish."，表示目的、意愿等；②动名词(doing)，如"Readingismyhobby."，表示习惯或爱好；③分词(-ing形式，现在分词表示主动/进行，过去分词表示被动/完成)，如"Seenfromthehill,thecitylooksbeautiful."。解析：本题考查非谓语动词。非谓语动词是英语中重要的语法现象，需准确列举并说明用法。①不定式具有名词、形容词和副词的功能，常用于表示目的、结果、条件等；②动名词具有名词的功能，常用于表示习惯、爱好、原因等；③分词具有形容词和副词的功能，现在分词表示主动或进行，过去分词表示被动或完成。干扰项如谓语动词需排除，此题要求列举并说明用法，需分类型展开。8.参考答案：英语倒装句的主要类型及其用法：①全部倒装，如"Herecomesthebus."，表示地点、方向副词位于句首；②部分倒装，如"NeverhaveIseensuchabeaut