2026年四川省人教版七年级英语下册第9单元词汇专项练习

2026年四川省人教版七年级英语下册第9单元词汇专项练习一、单项选择题（总共10题，每题2分，共20分）1.ThenewsciencemuseuminChengduis______interestingplacetovisitforstudentswhowanttolearnaboutdinosaurs.A.averyB.veryaC.anveryD.veryan解析：本题考查冠词和形容词的搭配。句中"interesting"为可数名词单数形式，需用不定冠词修饰。根据英语语法规则，当不定冠词用于辅音发音开头的单词前时，用"a"；用于元音发音开头的单词前时，用"an"。此处"interesting"以元音发音/i/开头，故正确选项为D。其他选项均存在冠词位置或搭配错误。2.Mysisteroftenhelpsmewithmyhomework,andsheis______kindperson.A.aB.anC.theD.some解析：本题考查不定冠词的用法。句中"kind"为可数名词单数，需用不定冠词修饰。根据语境，此处表示泛指"一个善良的人"，故用不定冠词。选项A和B均为不定冠词，但需根据单词发音选择。由于"kind"以辅音发音/k/开头，应使用"a"，故A正确。3.TheteachertoldusthattheEarthis______planetthatrevolvesaroundtheSun.A.aB.anC.theD.this解析：本题考查不定冠词与元音发音的对应关系。句中"planet"为可数名词单数，需用不定冠词修饰。根据语法规则，当单词以元音发音开头时，用"an"。此处"planet"以元音发音/eɪ/开头，故正确选项为B。其他选项中，C表示特指，D为指示代词，均不符合语境。4.Myparentsboughtme______birthdaypresentyesterday,butIdidn'tlikeitverymuch.A.aB.anC.theD.some解析：本题考查不定冠词的泛指用法。句中"birthdaypresent"为可数名词单数，需用不定冠词修饰。根据语境，此处表示"一个生日礼物"，属于泛指，故用不定冠词。由于"present"以元音发音/eɪ/开头，应使用"an"，故B正确。5.Theboyintheredshirtis______studentfromourschool.A.aB.anC.theD.this解析：本题考查不定冠词与名词的搭配。句中"student"为可数名词单数，需用不定冠词修饰。根据语境，此处表示"一个来自我们学校的学生"，属于泛指，故用不定冠词。由于"student"以辅音发音/s/开头，应使用"a"，故A正确。6.Thewomanwith______babyiswaitingforherhusbandatthebusstop.A.aB.anC.theD.some解析：本题考查不定冠词与名词所有格的搭配。句中"baby"为可数名词单数，需用不定冠词修饰。根据语境，此处表示"一个带着婴儿的女人"，属于泛指，故用不定冠词。由于"baby"以元音发音/aɪ/开头，应使用"an"，故B正确。7.Thechefprepared______deliciousmealfortheguestslastnight.A.aB.anC.theD.some解析：本题考查不定冠词与形容词的搭配。句中"deliciousmeal"为可数名词单数，需用不定冠词修饰。根据语境，此处表示"一顿美味的饭菜"，属于泛指，故用不定冠词。由于"delicious"以元音发音/juː/开头，应使用"an"，故B正确。8.Thegirlinthebluedressis______friendofmine.A.aB.anC.theD.this解析：本题考查不定冠词与名词所有格的搭配。句中"friend"为可数名词单数，需用不定冠词修饰。根据语境，此处表示"我的一个朋友"，属于泛指，故用不定冠词。由于"friend"以辅音发音/f/开头，应使用"a"，故A正确。9.Themanwith______carisdrivingverycarefullyonthehighway.A.aB.anC.theD.some解析：本题考查不定冠词与名词所有格的搭配。句中"car"为可数名词单数，需用不定冠词修饰。根据语境，此处表示"一个开车的男人"，属于泛指，故用不定冠词。由于"car"以辅音发音/k/开头，应使用"a"，故A正确。10.Thewomaninthewhitesuitis______famousactressfromHollywood.A.aB.anC.theD.this解析：本题考查不定冠词与形容词的搭配。句中"actress"为可数名词单数，需用不定冠词修饰。根据语境，此处表示"一位来自好莱坞的著名女演员"，属于泛指，故用不定冠词。由于"actress"以元音发音/æ/开头，应使用"a"，故A正确。二、填空题（总共10题，每题2分，共20分）1.Mybrotherhas______oldersisterwholivesinBeijing.2.Thegirlwith______redhairis______studentinourclass.3.Thereis______appleon______tablenexttothewindow.4.Shebought______beautifuldressfor______birthdaypartylastweek.5.Theboyin______blueshirtis______friendofmine.6.Weneedtobuy______newbookfor______Englishclass.7.Thereare______birdssingingin______treeoutsidethewindow.8.Mymothermade______deliciousdinnerfor______familylastnight.9.Thewomanwith______babyiswaitingfor______busatthestop.10.Themanin______blacksuitis______doctorwhoworksatthehospital.三、判断题（总共10题，每题2分，共20分）1.Theword"university"startswithavowelsound,soitshouldbeprecededby"an."（正确）解析：根据英语语法规则，当不定冠词用于元音发音开头的单词前时，用"an"。此处"university"以元音发音/juː/开头，故用"an"正确。2.Theword"hour"startswithaconsonantsound,soitshouldbeprecededby"a."（正确）解析：根据英语语法规则，当不定冠词用于辅音发音开头的单词前时，用"a"。此处"hour"以辅音发音/h/开头，故用"a"正确。3.Theword"economy"startswithavowelsound,soitshouldbeprecededby"an."（正确）解析：根据英语语法规则，当不定冠词用于元音发音开头的单词前时，用"an"。此处"economy"以元音发音/ɪ/开头，故用"an"正确。4.Theword"European"startswithaconsonantsound,soitshouldbeprecededby"a."（正确）解析：根据英语语法规则，当不定冠词用于辅音发音开头的单词前时，用"a"。此处"European"以辅音发音/juː/开头，故用"a"正确。5.Theword"one"startswithavowelsound,soitshouldbeprecededby"an."（错误）解析：根据英语语法规则，当不定冠词用于辅音发音开头的单词前时，用"a"。此处"one"以辅音发音/w/开头，应使用"a"而非"an"。6.Theword"ocean"startswithavowelsound,soitshouldbeprecededby"an."（正确）解析：根据英语语法规则，当不定冠词用于元音发音开头的单词前时，用"an"。此处"ocean"以元音发音/əʊ/开头，故用"an"正确。7.Theword"umbrella"startswithavowelsound,soitshouldbeprecededby"an."（正确）解析：根据英语语法规则，当不定冠词用于元音发音开头的单词前时，用"an"。此处"umbrella"以元音发音/ʌ/开头，故用"an"正确。8.Theword"university"startswithaconsonantsound,soitshouldbeprecededby"a."（错误）解析：根据英语语法规则，当不定冠词用于元音发音开头的单词前时，用"an"。此处"university"以元音发音/juː/开头，应使用"an"而非"a"。9.Theword"hour"startswithavowelsound,soitshouldbeprecededby"an."（错误）解析：根据英语语法规则，当不定冠词用于辅音发音开头的单词前时，用"a"。此处"hour"以辅音发音/h/开头，应使用"a"而非"an"。10.Theword"economy"startswithaconsonantsound,soitshouldbeprecededby"a."（错误）解析：根据英语语法规则，当不定冠词用于元音发音开头的单词前时，用"an"。此处"economy"以元音发音/ɪ/开头，应使用"an"而非"a"。四、简答题（总共8题，每题2分，共16分）1.Explainthedifferencebetween"a"and"an"inEnglish.参考答案："A"isusedbeforewordsthatstartwithaconsonantsound,suchas"acat"or"auniversity.""An"isusedbeforewordsthatstartwithavowelsound,suchas"anapple"or"anhour."Thechoicedependsonthesoundoftheword,nottheletteritself.Forexample,"hour"startswithavowelletter"o,"butitsoundslike"h"(/aʊər/),soittakes"an."2.WhydoweusearticlesinEnglish?参考答案：Articles(a,an,the)areusedinEnglishtospecifywhetheranounisgeneralorspecific.-"A/an"indicatesanon-specificnoun(e.g.,"Isawadog").-"The"indicatesaspecificnoun(e.g.,"IsawthedogIwastalkingabout").Theyhelpclarifymeaningandavoidambiguityincommunication.3.Givethreeexamplesofwordsthatstartwithavowelsoundbuttake"a."参考答案：4."European"(startswith/juː/sound,takes"a").5."university"(startswith/juː/sound,takes"a").6."hour"(startswith/aʊ/sound,takes"a").7.Explainwhy"auniversity"iscorrectbut"anuniversity"isnot.参考答案：Thecorrectarticledependsonthesound,nottheletter."University"startswithavowelletter"u,"butitsoundslike"y"(/juːnɪvərsɪtɪ/),soittakes"a."Ifitwerepronouncedwithatruevowelsound,itwouldtake"an."8.Whyis"anhour"correctbut"ahour"isnot?参考答案：Thecorrectarticledependsonthesound,nottheletter."Hour"startswithavowelletter"o,"butitsoundslike"h"(/aʊər/),soittakes"an."Ifitwerepronouncedwithatruevowelsound,itwouldtake"a."9.Givethreeexamplesofwordsthatstartwithaconsonantsoundbuttake"an."参考答案：10."economy"(startswith/ɪ/sound,takes"an").11."ocean"(startswith/əʊ/sound,takes"an").12."umbrella"(startswith/ʌ/sound,takes"an").13.Explainwhy"aEuropean"iscorrectbut"anEuropean"isnot.参考答案：Thecorrectarticledependsonthesound,nottheletter."European"startswithavowelletter"e,"butitsoundslike"y"(/juːrəpɪən/),soittakes"a."Ifitwerepronouncedwithatruevowelsound,itwouldtake"an."14.Whyis"aone"correctbut"anone"isnot?参考答案：Thecorrectarticledependsonthesound,nottheletter."One"startswithavowelletter"o,"butitsoundslike"w"(/wʌn/),soittakes"a."Ifitwerepronouncedwithatruevowelsound,itwouldtake"an."五、应用题（总共8题，每题4分，共24分）1.Rewritethefollowingsentencecorrectly:"Thewomanwithababyiswaitingforherhusbandatthebusstop."参考答案："Thewomanwithanbabyiswaitingforherhusbandatthebusstop."解析：Theword"baby"startswithavowelsound(/beɪbi/),soitshouldbeprecededby"an"insteadof"a."2.Rewritethefollowingsentencecorrectly:"MybrotherhasaoldersisterwholivesinBeijing."参考答案："MybrotherhasanoldersisterwholivesinBeijing."解析：Theword"older"startswithavowelsound(/ɔːldər/),soitshouldbeprecededby"an"insteadof"a."3.Rewritethefollowingsentencecorrectly:"Thegirlwitharedhairisastudentinourclass."参考答案："Thegirlwithanredhairisastudentinourclass."解析：Theword"red"startswithavowelsound(/red/),soitshouldbeprecededby"an"insteadof"a."4.Rewritethefollowingsentencecorrectly:"Sheboughtabeautifuldressforherbirthdaypartylastweek."参考答案："Sheboughtanbeautifuldressforherbirthdaypartylastweek."解析：Theword"beautiful"startswithavowelsound(/ˈbjuːtɪfl/),soitshouldbeprecededby"an"insteadof"a."5.Rewritethefollowingsentencecorrectly:"Theboyinablueshirtismyfriend."参考答案："Theboyinanblueshirtismyfriend."解析：Theword"blue"startswithavowelsound(/bluː/),soitshouldbeprecededby"an"insteadof"a."6.Rewritethefollowingsentencecorrectly:"WeneedtobuyanewbookforourEnglishclass."参考答案："WeneedtobuyannewbookforourEnglishclass."解析：Theword"new"startswithavowelsound(/nuː/),soitshouldbeprecededby"an"insteadof"a."7.Rewritethefollowingsentencecorrectly:"Thereareabirdssinginginthetreeoutsidethewindow."参考答案："Thereareanbirdssinginginthetreeoutsidethewindow."解析：Theword"birds"startswithavowelsound(/bɜːdz/),soitshouldbeprecededby"an"insteadof"a."8.Rewritethefollowingsentencecorrectly:"Mymothermadeadeliciousdinnerformyfamilylastnight."参考答案："Mymothermadeandeliciousdinnerformyfamilylastnight."解析：Theword"delicious"startswithavowelsound(/ˈdɛlɪʃəs/),soitshouldbeprecededby"an"insteadof"a."【标准答案及解析】一、单项选择题1.A2.A3.B4.B5.A6.B7.B8.A9.A10.A二、填空题1.an2.a,a3.an,the4.an,a5.a,a6.a,a7.an,the8.an,a9.a,a10.a,a三、判断题1.√2.√3.√4.√5.×6.√7.√8.×9.×10.×四、简答题1.Articles(a/an)areusedfornon-specificnouns,while"the"isusedforspecificnouns.Example:"abook"vs."thebookonthetable."2.Articlesh