部编版初中三年级英语课后练习题第7单元及答案

部编版初中三年级英语课后练习题第7单元及答案第1页共1页部编版初中三年级英语课后练习题第7单元及答案一、单项选择题（共10小题，每题2分）1.Whatdoestheword"ambitious"usuallymean?A.lazyB.hopefulC.unhappyD.noisy参考答案：B2.WhichofthefollowingisNOTatypicalsymptomofstress?A.headachesB.lossofappetiteC.highspiritsD.difficultysleeping参考答案：C3.IfyouwanttoimproveyourEnglishspeakingskills,whichactivityisprobablythemosteffective?A.WatchingEnglishmovieswithoutsubtitlesB.ReadingEnglishbookseverydayC.PracticingspeakingwithnativespeakersD.ListeningtoEnglishsongsfrequently参考答案：C4.Thesentence"ShehasbeenstudyingEnglishforfiveyears"means:A.ShestartedstudyingEnglishfiveyearsagoandsheisstillstudyingnow.B.ShestudiedEnglishfiveyearsagobutshedoesn'tstudyanymore.C.ShewillstudyEnglishforfiveyears.D.ShefinishedstudyingEnglishfiveyearsago.参考答案：A5.Whatisthebestwaytodealwithadifficultproblem?A.Ignoreitandhopeitgoesaway.B.Talktoafriendorfamilymember.C.Giveupimmediately.D.Keepthinkingaboutitallday.参考答案：B6.Theexpression"breaktheice"means:A.tomakepeoplefeelcoldB.tostartaconversationinasocialsituationC.tobreaksomethingintopiecesD.tomakeajoke参考答案：B7.Whichofthefollowingisagoodhabitforstudents?A.StayinguplatetostudyB.EatingjunkfoodeverydayC.ExercisingregularlyD.Usingtheinternettoomuch参考答案：C8.Thepastcontinuoustenseisusedtodescribe:A.anactionthathappenedinthepastB.anactionthatstartedandfinishedinthepastC.anactionhappeningatthesametimeasanotheractioninthepastD.anactionhappeninginthepresent参考答案：C9.Whatisthemainideaofanewsreport?A.ToentertainpeoplewithstoriesandjokesB.ToinformpeopleaboutimportanteventsC.TosellproductsorservicesD.Toteachpeoplenewskills参考答案：B10.IfyouwanttobeasuccessfulEnglishteacher,whichqualityismostimportant?A.BeingverytallB.BeingveryrichC.BeingpatientandgoodatexplainingD.Beingfamous参考答案：C二、填空题（共10小题，每题2分）1.Theboyis______interestedinplayingfootballthaninreadingbooks.参考答案：less2.Ifyouwanttostayhealthy,youshouldeat______fruitandvegetableseveryday.参考答案：more3.Mysisterisgoodatsingingandsheoftenperforms______thestage.参考答案：on4.Itisimportanttokeepa______dietanddoregularexercise.参考答案：balanced5.Theteacheraskedthestudentsto______theirhomeworkbeforethenextclass.参考答案：finish6.Iusuallygotobedat______o'clockintheevening.参考答案：nine7.TheGreatWallisoneofthe______wondersintheworld.参考答案：amazing8.Weshould______fortheenvironmentandplantmoretrees.参考答案：protect9.Theboyis______thanhisbrother,sohecan'treachtheshelf.参考答案：short10.Myfatherisa______workerandheisverybusyeveryday.参考答案：hard三、判断题（共10小题，每题2分）1.The7thunitofthenewcurriculumfocusesmainlyonthefutureplansanddreamsofteenagers.参考答案：√2.Intheunit,studentslearntousethefuturesimpletensetoexpresspredictions.参考答案：√3."I'mgoingtotravelaroundtheworldafterIfinishschool."Thissentenceusesthefuturecontinuoustense.参考答案：×4.Theunitincludesareadingpassageaboutafamousscientistwhochangedtheworld.参考答案：√5.StudentspracticewritingshortessaysabouttheirfuturedreamsinEnglishclass.参考答案：√6.Theunitdoesn'tinvolveanylisteningorspeakingactivities.参考答案：×7."Willyouworkinabigcompanywhenyougraduate?"Thisisaquestionusingthefuturesimpletense.参考答案：√8.Theunitteachesstudentshowtouse"begoingto"and"will"forfutureplans.参考答案：√9.Thereisagrammarchartinthetextbookexplainingthedifferencebetween"begoingto"and"will".参考答案：√10.Theunitendswithaprojectwherestudentspresenttheirfutureplanstotheclass.参考答案：×四、简答题（共8小题，每题2分）1.WhatarethemaindifferencesbetweenBritishEnglishandAmericanEnglishintermsofpronunciation,spelling,andvocabulary?参考答案：BritishEnglishandAmericanEnglishdifferinpronunciation,spelling,andvocabulary.Inpronunciation,BritishEnglishoftenhasdifferentvowelsoundsandstresspatternscomparedtoAmericanEnglish.Inspelling,therearedifferencessuchas"colour"vs."color"and"realise"vs."realize."Invocabulary,somewordshavedifferentmeaningsorareuseddifferentlyineachdialect,suchas"lift"(elevatorinBritishEnglish,elevatororliftinAmericanEnglish).2.Howcanyouusethepresentperfecttensetodescribelifeexperiencesorchangesthathavehappenedovertime?参考答案：Thepresentperfecttenseisusedtodescribelifeexperiencesorchangesthathavehappenedovertime.Itisformedwiththeauxiliaryverb"have"or"has"followedbythepastparticipleofthemainverb.Forexample,"IhavelivedinBeijingforfiveyears."Thistenseisusedtoindicatethatanactionstartedinthepastandcontinuestothepresent,ortodescribeexperiencesthathavehappenedatanunspecifiedtimeinthepast.3.Explainthefunctionofthemodalverb"must"inasentence.参考答案：Themodalverb"must"isusedtoexpressnecessityorstrongobligation.Itindicatesthatsomethingisabsolutelynecessaryormustbedone.Forexample,"Youmustfinishyourhomeworkbeforeyougoout."Inthissentence,"must"indicatesthatfinishinghomeworkisastrongobligation.Itisalsousedtogivestrongadviceorcommands.4.Describetheprocessofmakingadecisionwhenyouhavetochoosebetweentwoormoreoptions.参考答案：Makingadecisionwhenyouhavetochoosebetweentwoormoreoptionsinvolvesseveralsteps.First,identifytheoptionsavailable.Second,listtheprosandconsofeachoption.Third,consideryourprioritiesandwhatismostimportanttoyou.Fourth,thinkaboutthepotentialconsequencesofeachoption.Finally,makeadecisionbasedonyouranalysisandintuition.Itisimportanttobeclearaboutyourvaluesandgoalswhenmakingadecision.5.Whatisthepurposeofusingadjectivesandadverbsinasentence?参考答案：Adjectivesandadverbsareusedinasentencetoadddetailanddescription.Adjectivesdescribenounsorpronouns,providinginformationabouttheirqualitiesorcharacteristics.Forexample,"Theredcarisfast."Inthissentence,"red"isanadjectivedescribingthecar.Adverbsdescribeverbs,adjectives,orotheradverbs,providinginformationabouthow,when,where,ortowhatextentsomethingisdone.Forexample,"Shesingsbeautifully."Inthissentence,"beautifully"isanadverbdescribinghowshesings.6.Howdoestheuseofdifferentsentencestructures(simple,compound,complex)affectthemeaningandflowofatext?参考答案：Theuseofdifferentsentencestructuresaffectsthemeaningandflowofatext.Simplesentencesareshortanddirect,providingclearandconciseinformation.Compoundsentences,whichcombinetwoormoreindependentclauses,allowformorecomplexideasandrelationshipstobeexpressed.Complexsentences,whichcontainanindependentclauseandoneormoredependentclauses,canconveymoredetailedandnuancedinformation.Thevarietyofsentencestructureshelpstocreaterhythmandinterestinwriting.7.Explaintheconceptof"cultureshock"andhowitcanaffectpeoplewhentheytraveltoanewcountry.参考答案：Cultureshockisthefeelingofdisorientationexperiencedbysomeonewhoissuddenlysubjectedtoanunfamiliarculture,wayoflife,orsetofattitudes.Itcanaffectpeoplewhentheytraveltoanewcountrybecausetheyareexposedtonewcustoms,languages,foods,andsocialnorms.Symptomsofcultureshockincludefeelingsofconfusion,frustration,loneliness,andanxiety.Itisanormalpartoftheadaptationprocessandcanbeovercomewithtime,open-mindedness,andcommunication.8.Describetheimportanceoflearningasecondlanguageintoday'sglobalizedworld.参考答案：Learningasecondlanguageisimportantintoday'sglobalizedworldbecauseitopensupopportunitiesforcommunication,travel,andcareeradvancement.Itallowspeopletoconnectwithothersfromdifferentculturesandunderstandtheirperspectives.Italsoenhancescognitiveskillssuchasproblem-solving,criticalthinking,andcreativity.Inaddition,learningasecondlanguagecanimprovelanguageskillsandculturalunderstanding,makingindividualsmorecompetitiveintheglobaljobmarket.五、应用题（共8小题，每题3分）1.Youareorganizingaschooltalentshow.Writeashortannouncement(about60words)toinformstudentsabouttheshow,includingthedate,time,andplace.Mentionthatthereareseveralcategorieslikesinging,dancing,andcomedyacts.参考答案：Dearstudents,Iamexcitedtoannounceourschooltalentshow!ItwillbeheldonFriday,December15th,at7PMintheschoolauditorium.Therewillbevariouscategoriessuchassinging,dancing,andcomedyacts.Joinustoshowcaseyourtalentsandenjoyaneveningoffunandentertainment!2.Astudentwantstobuyabookthatcosts25.Hehassaved18.Howmuchmoremoneydoesheneedtosave?Showyourcalculation.参考答案：73.TranslatethefollowingsentenceintoEnglish:"他们正在讨论一个有趣的话题。"(Ensurethetranslationisgrammaticallycorrectandmakessenseincontext.)参考答案：Theyarediscussinganinterestingtopic.4.Ifatraintravelsataspeedof60km/h,howfarwillittravelin3hours?Showyourcalculation.参考答案：180km5.Readthefollowingdialogueandanswerthequestion:-A:"Whatareyougoingtodothisweekend?"-B:"Iamgoingtovisitmygrandparents."WhatisB'splanfortheweekend?参考答案：Bplanstovisithisgrandparentsthisweekend.6.Aboxcontains3redballs,4blueballs,and2greenballs.Whatistheprobabilityofdrawingablueball?Showyourcalculation.参考答案：4/97.Writeaparagraph(about50words)describingyourfavoritehobby.Explainwhyyouenjoyit.参考答案：Myfavoritehobbyisplayingtheguitar.Ienjoyitbecauseithelpsmerelaxandexpressmyselfcreatively.ThemusicIcreatebringsmejoyandsatisfaction.8.Solvethefollowingequationforx:3x+7=22.Showyourstepsandfinalanswer.参考答案：x=5标准答案与解析一、单项选择题1.参考答案：B解析：Theword"ambitious"meanshavinghighhopesanddreamsforthefuture.Itistheoppositeofbeinglazy.OptionAistheoppositeofambitious.OptionBiscorrectbecauseambitiouspeopleareusuallyhopeful.OptionCisnotrelatedtoambitious.OptionDisnotrelatedtoambitious.2.参考答案：C解析：Stresscancausemanysymptoms,includingheadaches,lossofappetite,anddifficultysleeping.OptionAisasymptomofstress.OptionBisasymptomofstress.OptionCisnotasymptomofstress;highspiritsaretheoppositeofstresssymptoms.OptionDisasymptomofstress.Therefore,optionCisthecorrectanswer.3.参考答案：C解析：Toimprovespeakingskills,practicingwithnativespeakersisthemosteffectivemethod.OptionAisnotaseffectivebecausewatchingwithoutsubtitlesdoesn'tprovidespeakingpractice.OptionBisgoodforreadingskillsbutnotspeaking.OptionCisthebestchoicebecausespeakingwithnativespeakersprovidesrealpractice.OptionDisgoodforlisteningbutnotspeaking.Therefore,optionCisthecorrectanswer.4.参考答案：A解析："ShehasbeenstudyingEnglishforfiveyears"meansshestartedstudyingEnglishfiveyearsagoandsheisstillstudyingnow.Thepresentperfectcontinuoustenseindicatesanactionthatstartedinthepastandcontinuestothepresent.OptionAiscorrect.OptionBdescribesapastactionthatended.OptionCdescribesafutureaction.OptionDdescribesafinishedpastaction.Therefore,optionAisthecorrectanswer.5.参考答案：B解析：Thebestwaytodealwithadifficultproblemistotalktoafriendorfamilymember.OptionAisnoteffectivebecauseignoringtheproblemwon'tsolveit.OptionBiscorrectbecausegettingsupportfromotherscanhelpsolveproblems.OptionCisnotagoodwaytodealwithproblems.OptionDisnoteffectivebecausethinkingtoomuchcanincreasestress.Therefore,optionBisthecorrectanswer.6.参考答案：B解析："Breaktheice"meanstostartaconversationinasocialsituationtomakepeoplefeelmorecomfortable.OptionAisincorrectbecauseitdoesn'tmeanmakingpeoplecold.OptionBiscorrectbecauseitdescribesstartingaconversation.OptionCisincorrectbecauseitmeansbreakingsomething.OptionDisincorrectbecauseitdoesn'tdescribestartingaconversation.Therefore,optionBisthecorrectanswer.7.参考答案：C解析：Exercisingregularlyisagoodhabitforstudents.OptionAisnotgoodbecausestayinguplateisbadforhealth.OptionBisnotgoodbecausejunkfoodisunhealthy.OptionCiscorrectbecauseexerciseisgoodforhealthandstudy.OptionDisnotgoodbecauseusingtheinternettoomuchcanbeharmful.Therefore,optionCisthecorrectanswer.8.参考答案：C解析：Thepastcontinuoustenseisusedtodescribeanactionhappeningatthesametimeasanotheractioninthepast.OptionAisincorrectbecausethesimplepastisusedforactionsthathappenedandfinishedinthepast.OptionBisincorrectbecausethepastperfectisusedforactionsthatstartedandfinishedbeforeanotherpastaction.OptionCiscorrectbecausethepastcontinuousdescribestwoactionshappeningtogetherinthepast.OptionDisincorrectbecausethepresentcontinuousisusedforactionshappeningnow.Therefore,optionCisthecorrectanswer.9.参考答案：B解析：Themainideaofanewsreportistoinformpeopleaboutimportantevents.OptionAisincorrectbecausenewsreportsarenotprimarilyforentertainment.OptionBiscorrectbecausenewsreportsprovideinformation.OptionCisincorrectbecausenewsreportsarenotmainlyforsellingproducts.OptionDisincorrectbecausenewsreportsarenotprimarilyforteachingskills.Therefore,optionBisthecorrectanswer.10.参考答案：C解析：TobeasuccessfulEnglishteacher,beingpatientandgoodatexplainingisthemostimportantquality.OptionAisnotimportantforteaching.OptionBisnotimportantforteaching.OptionCiscorrectbecausepatienceandgoodexplanationskillshelpstudentslearn.OptionDisnotasimportantasbeingagoodteacher.Therefore,optionCisthecorrectanswer.二、填空题1.less解析：考查比较级。句意为“这个男孩对踢足球比对读书感兴趣”。根据句意和空后的thaninreadingbooks可知，此处应用形容词比较级，表示“比……更不”，故填less。2.more解析：考查形容词原级。句意为“如果你想保持健康，你应该每天吃更多的水果和蔬菜”。根据句意和everyday可知，此处应用形容词原级，表示“更多的”，故填more。3.on解析：考查介词。句意为“我姐姐擅长唱歌，她经常在舞台上表演”。根据句意和stage可知，此处应用介词on，表示“在……上”，故填on。4.balanced解析：考查形容词。句意为“保持均衡的饮食和做定期锻炼很重要”。根据句意和diet可知，此处应用形容词，表示“均衡的”，故填balanced。5.finish解析：考查动词。句意为“老师要求学生在下课前完成他们的作业”。根据句意和beforethenextclass可知，此处应用动词原形，表示“完成”，故填finish。6.nine解析：考查数字。句意为“我通常晚上九点睡觉”。根据句意和o'clock可知，此处应用数字，表示“九点”，故填nine。7.amazing解析：考查形容词。句意为“长城是世界上七大奇迹之一”。根据句意和wonders可知，此处应用形容词，表示“令人惊奇的”，故填amazing。8.protect解析：考查动词。句意为“我们应该保护环境，种更多的树”。根据句意和fortheenvironment可知，此处应用动词原形，表示“保护”，故填protect。9.short解析：考查形容词。句意为“这个男孩比他哥哥矮，所以他够不到架子”。根据句意和thanhisbrother可知，此处应用形容词，表示“矮的”，故填short。10.hard解析：考查形容词。句意为“我父亲是一名努力工作的工人，他每天都很忙”。根据句意和verybusy可知，此处应用形容词，表示“努力工作的”，故填hard。三、判断题1.参考答案：√解析：The7thunitofthenewcurriculumindeedfocusesmainlyonthefutureplansanddreamsofteenagers,asstatedinthecurriculumguidelines.2.参考答案：√解析：Intheunit,studentslearntousethefuturesimpletensetoexpresspredictions,whichisoneofthekeylearningobjectives.3.参考答案：×解析：Thesentence"I'mgoingtotravelaroundtheworldafterIfinishschool."usesthefuturesimpletense,notthefuturecontinuoustense.4.参考答案：√解析：Theunitincludesareadingpassageaboutafamousscientistwhochangedtheworld,asmentionedintheteachingmaterials.5.参考答案：√解析：StudentspracticewritingshortessaysabouttheirfuturedreamsinEnglishclass,whichisacommonactivityinthisunit.6.参考答案：×解析：Theunitinvolveslisteningandspeakingactivities,suchasrole-playingfuturescenariosanddiscussingfutureplans.7.参考答案：√解析：Thequestion"Willyouworkinabigcompanywhenyougraduate?"usesthefuturesimpletense,whichisacommonstructureforfuturepredictions.8.参考答案：√解析：Theunitteachesstudentshowtouse"begoingto"and"will"forfutureplans,coveringbothintention-basedandprediction-basedfutureforms.9.参考答案：√解析：Thereisagrammarchartinthetextbookexplainingthedifferencebetween"begoingto"and"will,"whichhelpsstudentsunderstandtheusage.10.参考答案：×解析：Theunitendswithaprojectwherestudentspresenttheirfutureplanstotheclass,notjustasummaryorreview.四、简答题1.参考答案：BritishEnglishandAmericanEnglishdifferinpronunciation,spelling,andvocabulary.Inpronunciation,BritishEnglishoftenhasdifferentvowelsoundsandstresspatternscomparedtoAmericanEnglish.Inspelling,therearedifferencessuchas"colour"vs."color"and"realise"vs."realize."Invocabulary,somewordshavedifferentmeaningsorareuseddifferentlyineachdialect,suchas"lift"(elevatorinBritishEnglish,elevatororliftinAmericanEnglish).解析：本题考查英式英语和美式英语的差异。解析中详细说明了在发音、拼写和词汇方面的不同。英式英语和美式英语在发音上有差异，例如元音和重音的不同。在拼写上，有些单词的拼写不同，如“colour”和“color”，“realise”和“realize”。在词汇方面，有些单词在两种英语中有不同的含义或用法，如“lift”在英国英语中指“电梯”，在美国英语中指“电梯”或“lift”。这些差异是学生需要了解和掌握的。2.参考答案：Thepresentperfecttenseisusedtodescribelifeexperiencesorchangesthathavehappenedovertime.Itisformedwiththeauxiliaryverb"have"or"has"followedbythepastparticipleofthemainverb.Forexample,"IhavelivedinBeijingforfiveyears."Thistenseisusedtoindicatethatanactionstartedinthepastandcontinuestothepresent,ortodescribeexperiencesthathavehappenedatanunspecifiedtimeinthepast.解析：本题考查现在完成时的用法。解析中说明了现在完成时用于描述生活经历或随时间发生的变化。现在完成时由助动词“have”或“has”加上主要动词的过去分词构成。例如，“IhavelivedinBeijingforfiveyears.”这个时态用于表示一个动作从过去开始并持续到现在，或者描述在过去某个不确定的时间发生过的经历。学生需要掌握现在完成时的构成和用法。3.参考答案：Themodalverb"must"isusedtoexpressnecessityorstrongobligation.Itindicatesthatsomethingisabsolutelynecessaryormustbedone.Forexample,"Youmustfinishyourhomeworkbeforeyougoout."Inthissentence,"must"indicatesthatfinishinghomeworkisastrongobligation.Itisalsousedtogivestrongadviceorcommands.解析：本题考查情态动词“must”的用法。解析中说明了“must”用于表达必要性或强烈的义务。它表示某事是绝对必要的或必须做的。例如，“Youmustfinishyourhomeworkbeforeyougoout.”在这个句子中，“must”表示完成作业是一个强烈的义务。它也用于给出强烈的建议或命令。学生需要掌握“must”的用法和含义。4.参考答案：Makingadecisionwhenyouhavetochoosebetweentwoormoreoptionsinvolvesseveralsteps.First,identifytheoptionsavailable.Second,listtheprosandconsofeachoption.Third,consideryourprioritiesandwhatismostimportanttoyou.Fourth,thinkaboutthepotentialconsequencesofeachoption.Finally,makeadecisionbasedonyouranalysisandintuition.Itisimportanttobeclearaboutyourvaluesandgoalswhenmakingadecision.解析：本题考查做决策的过程。解析中说明了在做决策时，需要考虑多个选项，并列举了几个步骤。首先，确定可用的选项。其次，列出每个选项的优缺点。第三，考虑你的优先事项和你认为最重要的是什么。第四，考虑每个选项的潜在后果。最后，根据你的分析和直觉做出决定。在做决策时，明确你的价值观和目标非常重要。5.参考答案：Adjectivesandadverbsareusedinasentencetoadddetailanddescription.Adjectivesdescribenounsorpronouns,providinginformationabouttheirqualitiesorcharacteristics.Forexample,"Theredcarisfast."Inthissentence,"red"isanadjectivedescribingthecar.Adverbsdescribeverbs,adjectives,orotheradverbs,providinginformationabouthow,when,where,ortowhatextentsomethingisdone.Forexample,"Shesingsbeautifully."Inthissentence,"beautifully"isanadverbdescribinghowshesings.解析：本题考查形容词和副词的用法。解析中说明了形容词和副词用于句子中添加细节和描述。形容词描述名词或代词，提供有关其品质或特征的信息。例如，“Theredcarisfast.”在这个句子中，“red”是一个形容词描述汽车。副词描述动词、形容词或其他副词，提供有关如何、何时、何地或程度如何做某事的信息。例如，“Shesingsbeautifully.”在这个句子中，“beautifully”是一个副词描述她如何唱歌。学生需要掌握形容词和副词的用法和作用。6.参考答案：Theuseofdifferentsentencestructuresaffectsthemeaningandflowofatext.Simplesentencesareshortanddirect,providingclearandconciseinformation.Compoundsentences,whichcombinetwoormoreindependentclauses,allowformorecomplexideasandrelationshipstobeexpressed.Complexsentences,whichcontainanindependentclauseandoneormoredependentclauses,canconveymoredetailedandnuancedinformation.Thevarietyofsentencestructureshelpstocreaterhythmandinterestinwriting.解析：本题考查不同句式对文本意义和流畅性的影响。简单句简短直接，提供清晰简洁的信息。复合句结合两个或多个独立分句，允许表达更复杂的思想和关系。复杂句包含一个独立分句和一个或多个从属分句，可以传达更详细和微妙的信息。句式的多样性有助于在写作中创造节奏和兴趣。学生需要掌握不同句式的用法和作用。7.参考答案：Cultureshockisthefeelingofdisorientationexperiencedbysomeonewhoissuddenlysubjectedtoanunfamiliarculture,wayoflife,orsetofattitudes.Itcanaffectpeoplewhentheytraveltoanewcountrybecausetheya