2026年四川省人教版七年級英語下冊第9單元詞匯專項練習

2026年四川省人教版七年級英語下冊第9單元詞匯專項練習一、單項選擇題（總共10題，每題2分，共20分）1.ThenewsciencemuseuminChengduis______interestingplacetovisitforstudentswhowanttolearnaboutdinosaurs.A.averyB.veryaC.anveryD.veryan解析：本題考查冠詞和形容詞的搭配。句中"interesting"為可數名詞單數形式，需用不定冠詞修飾。根據英語語法規則，當不定冠詞用于輔音發音開頭的單詞前時，用"a"；用于元音發音開頭的單詞前時，用"an"。此處"interesting"以元音發音/i/開頭，故正確選項為D。其他選項均存在冠詞位置或搭配錯誤。2.Mysisteroftenhelpsmewithmyhomework,andsheis______kindperson.A.aB.anC.theD.some解析：本題考查不定冠詞的用法。句中"kind"為可數名詞單數，需用不定冠詞修飾。根據語境，此處表示泛指"一個善良的人"，故用不定冠詞。選項A和B均為不定冠詞，但需根據單詞發音選擇。由于"kind"以輔音發音/k/開頭，應使用"a"，故A正確。3.TheteachertoldusthattheEarthis______planetthatrevolvesaroundtheSun.A.aB.anC.theD.this解析：本題考查不定冠詞與元音發音的對應關系。句中"planet"為可數名詞單數，需用不定冠詞修飾。根據語法規則，當單詞以元音發音開頭時，用"an"。此處"planet"以元音發音/e?/開頭，故正確選項為B。其他選項中，C表示特指，D為指示代詞，均不符合語境。4.Myparentsboughtme______birthdaypresentyesterday,butIdidn'tlikeitverymuch.A.aB.anC.theD.some解析：本題考查不定冠詞的泛指用法。句中"birthdaypresent"為可數名詞單數，需用不定冠詞修飾。根據語境，此處表示"一個生日禮物"，屬于泛指，故用不定冠詞。由于"present"以元音發音/e?/開頭，應使用"an"，故B正確。5.Theboyintheredshirtis______studentfromourschool.A.aB.anC.theD.this解析：本題考查不定冠詞與名詞的搭配。句中"student"為可數名詞單數，需用不定冠詞修飾。根據語境，此處表示"一個來自我們學校的學生"，屬于泛指，故用不定冠詞。由于"student"以輔音發音/s/開頭，應使用"a"，故A正確。6.Thewomanwith______babyiswaitingforherhusbandatthebusstop.A.aB.anC.theD.some解析：本題考查不定冠詞與名詞所有格的搭配。句中"baby"為可數名詞單數，需用不定冠詞修飾。根據語境，此處表示"一個帶著嬰兒的女人"，屬于泛指，故用不定冠詞。由于"baby"以元音發音/a?/開頭，應使用"an"，故B正確。7.Thechefprepared______deliciousmealfortheguestslastnight.A.aB.anC.theD.some解析：本題考查不定冠詞與形容詞的搭配。句中"deliciousmeal"為可數名詞單數，需用不定冠詞修飾。根據語境，此處表示"一頓美味的飯菜"，屬于泛指，故用不定冠詞。由于"delicious"以元音發音/ju?/開頭，應使用"an"，故B正確。8.Thegirlinthebluedressis______friendofmine.A.aB.anC.theD.this解析：本題考查不定冠詞與名詞所有格的搭配。句中"friend"為可數名詞單數，需用不定冠詞修飾。根據語境，此處表示"我的一個朋友"，屬于泛指，故用不定冠詞。由于"friend"以輔音發音/f/開頭，應使用"a"，故A正確。9.Themanwith______carisdrivingverycarefullyonthehighway.A.aB.anC.theD.some解析：本題考查不定冠詞與名詞所有格的搭配。句中"car"為可數名詞單數，需用不定冠詞修飾。根據語境，此處表示"一個開車的男人"，屬于泛指，故用不定冠詞。由于"car"以輔音發音/k/開頭，應使用"a"，故A正確。10.Thewomaninthewhitesuitis______famousactressfromHollywood.A.aB.anC.theD.this解析：本題考查不定冠詞與形容詞的搭配。句中"actress"為可數名詞單數，需用不定冠詞修飾。根據語境，此處表示"一位來自好萊塢的著名女演員"，屬于泛指，故用不定冠詞。由于"actress"以元音發音/?/開頭，應使用"a"，故A正確。二、填空題（總共10題，每題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、判斷題（總共10題，每題2分，共20分）1.Theword"university"startswithavowelsound,soitshouldbeprecededby"an."（正確）解析：根據英語語法規則，當不定冠詞用于元音發音開頭的單詞前時，用"an"。此處"university"以元音發音/ju?/開頭，故用"an"正確。2.Theword"hour"startswithaconsonantsound,soitshouldbeprecededby"a."（正確）解析：根據英語語法規則，當不定冠詞用于輔音發音開頭的單詞前時，用"a"。此處"hour"以輔音發音/h/開頭，故用"a"正確。3.Theword"economy"startswithavowelsound,soitshouldbeprecededby"an."（正確）解析：根據英語語法規則，當不定冠詞用于元音發音開頭的單詞前時，用"an"。此處"economy"以元音發音/?/開頭，故用"an"正確。4.Theword"European"startswithaconsonantsound,soitshouldbeprecededby"a."（正確）解析：根據英語語法規則，當不定冠詞用于輔音發音開頭的單詞前時，用"a"。此處"European"以輔音發音/ju?/開頭，故用"a"正確。5.Theword"one"startswithavowelsound,soitshouldbeprecededby"an."（錯誤）解析：根據英語語法規則，當不定冠詞用于輔音發音開頭的單詞前時，用"a"。此處"one"以輔音發音/w/開頭，應使用"a"而非"an"。6.Theword"ocean"startswithavowelsound,soitshouldbeprecededby"an."（正確）解析：根據英語語法規則，當不定冠詞用于元音發音開頭的單詞前時，用"an"。此處"ocean"以元音發音/??/開頭，故用"an"正確。7.Theword"umbrella"startswithavowelsound,soitshouldbeprecededby"an."（正確）解析：根據英語語法規則，當不定冠詞用于元音發音開頭的單詞前時，用"an"。此處"umbrella"以元音發音/?/開頭，故用"an"正確。8.Theword"university"startswithaconsonantsound,soitshouldbeprecededby"a."（錯誤）解析：根據英語語法規則，當不定冠詞用于元音發音開頭的單詞前時，用"an"。此處"university"以元音發音/ju?/開頭，應使用"an"而非"a"。9.Theword"hour"startswithavowelsound,soitshouldbeprecededby"an."（錯誤）解析：根據英語語法規則，當不定冠詞用于輔音發音開頭的單詞前時，用"a"。此處"hour"以輔音發音/h/開頭，應使用"a"而非"an"。10.Theword"economy"startswithaconsonantsound,soitshouldbeprecededby"a."（錯誤）解析：根據英語語法規則，當不定冠詞用于元音發音開頭的單詞前時，用"an"。此處"economy"以元音發音/?/開頭，應使用"an"而非"a"。四、簡答題（總共8題，每題2分，共16分）1.Explainthedifferencebetween"a"and"an"inEnglish.參考答案："A"isusedbeforewordsthatstartwithaconsonantsound,suchas"acat"or"auniversity.""An"isusedbeforewordsthatstartwithavowelsound,suchas"anapple"or"anhour."Thechoicedependsonthesoundoftheword,nottheletteritself.Forexample,"hour"startswithavowelletter"o,"butitsoundslike"h"(/a??r/),soittakes"an."2.WhydoweusearticlesinEnglish?參考答案：Articles(a,an,the)areusedinEnglishtospecifywhetheranounisgeneralorspecific.-"A/an"indicatesanon-specificnoun(e.g.,"Isawadog").-"The"indicatesaspecificnoun(e.g.,"IsawthedogIwastalkingabout").Theyhelpclarifymeaningandavoidambiguityincommunication.3.Givethreeexamplesofwordsthatstartwithavowelsoundbuttake"a."參考答案：4."European"(startswith/ju?/sound,takes"a").5."university"(startswith/ju?/sound,takes"a").6."hour"(startswith/a?/sound,takes"a").7.Explainwhy"auniversity"iscorrectbut"anuniversity"isnot.參考答案：Thecorrectarticledependsonthesound,nottheletter."University"startswithavowelletter"u,"butitsoundslike"y"(/ju?n?v?rs?t?/),soittakes"a."Ifitwerepronouncedwithatruevowelsound,itwouldtake"an."8.Whyis"anhour"correctbut"ahour"isnot?參考答案：Thecorrectarticledependsonthesound,nottheletter."Hour"startswithavowelletter"o,"butitsoundslike"h"(/a??r/),soittakes"an."Ifitwerepronouncedwithatruevowelsound,itwouldtake"a."9.Givethreeexamplesofwordsthatstartwithaconsonantsoundbuttake"an."參考答案：10."economy"(startswith/?/sound,takes"an").11."ocean"(startswith/??/sound,takes"an").12."umbrella"(startswith/?/sound,takes"an").13.Explainwhy"aEuropean"iscorrectbut"anEuropean"isnot.參考答案：Thecorrectarticledependsonthesound,nottheletter."European"startswithavowelletter"e,"butitsoundslike"y"(/ju?r?p??n/),soittakes"a."Ifitwerepronouncedwithatruevowelsound,itwouldtake"an."14.Whyis"aone"correctbut"anone"isnot?參考答案：Thecorrectarticledependsonthesound,nottheletter."One"startswithavowelletter"o,"butitsoundslike"w"(/w?n/),soittakes"a."Ifitwerepronouncedwithatruevowelsound,itwouldtake"an."五、應用題（總共8題，每題4分，共24分）1.Rewritethefollowingsentencecorrectly:"Thewomanwithababyiswaitingforherhusbandatthebusstop."參考答案："Thewomanwithanbabyiswaitingforherhusbandatthebusstop."解析：Theword"baby"startswithavowelsound(/be?bi/),soitshouldbeprecededby"an"insteadof"a."2.Rewritethefollowingsentencecorrectly:"MybrotherhasaoldersisterwholivesinBeijing."參考答案："MybrotherhasanoldersisterwholivesinBeijing."解析：Theword"older"startswithavowelsound(/??ld?r/),soitshouldbeprecededby"an"insteadof"a."3.Rewritethefollowingsentencecorrectly:"Thegirlwitharedhairisastudentinourclass."參考答案："Thegirlwithanredhairisastudentinourclass."解析：Theword"red"startswithavowelsound(/red/),soitshouldbeprecededby"an"insteadof"a."4.Rewritethefollowingsentencecorrectly:"Sheboughtabeautifuldressforherbirthdaypartylastweek."參考答案："Sheboughtanbeautifuldressforherbirthdaypartylastweek."解析：Theword"beautiful"startswithavowelsound(/?bju?t?fl/),soitshouldbeprecededby"an"insteadof"a."5.Rewritethefollowingsentencecorrectly:"Theboyinablueshirtismyfriend."參考答案："Theboyinanblueshirtismyfriend."解析：Theword"blue"startswithavowelsound(/blu?/),soitshouldbeprecededby"an"insteadof"a."6.Rewritethefollowingsentencecorrectly:"WeneedtobuyanewbookforourEnglishclass."參考答案："WeneedtobuyannewbookforourEnglishclass."解析：Theword"new"startswithavowelsound(/nu?/),soitshouldbeprecededby"an"insteadof"a."7.Rewritethefollowingsentencecorrectly:"Thereareabirdssinginginthetreeoutsidethewindow."參考答案："Thereareanbirdssinginginthetreeoutsidethewindow."解析：Theword"birds"startswithavowelsound(/b??dz/),soitshouldbeprecededby"an"insteadof"a."8.Rewritethefollowingsentencecorrectly:"Mymothermadeadeliciousdinnerformyfamilylastnight."參考答案："Mymothermadeandeliciousdinnerformyfamilylastnight."解析：Theword"delicious"startswithavowelsound(/?d?l???s/),soitshouldbeprecededby"an"insteadof"a."【標準答案及解析】一、單項選擇題1.A2.A3.B4.B5.A6.B7.B8.A9.A10.A二、填空題1.an2.a,a3.an,the4.an,a5.a,a6.a,a7.an,the8.an,a9.a,a10.a,a三、判斷題1.√2.√3.√4.√5.×6.√7.√8.×9.×10.×四、簡答題1.Articles(a/an)areusedfornon-specificnouns,while"the"isusedforspecificnouns.Example:"abook"vs."thebookonthetable."2.Articlesh