2025成考專升本英語試題及答案解析一、語音知識（共5小題；每題1分，共5分）在下列每組單詞中，有一個單詞的劃線部分與其他單詞的劃線部分的讀音不同。找出這個詞。1.A.cakeB.faceC.catD.gate【答案】C【解析】A選項cake中字母a發(fā)音為/e?/；B選項face中字母a發(fā)音為/e?/；C選項cat中字母a發(fā)音為/?/；D選項gate中字母a發(fā)音為/e?/。所以答案選C。2.A.shipB.fishC.rideD.dish【答案】C【解析】A選項ship中字母i發(fā)音為/?/；B選項fish中字母i發(fā)音為/?/；C選項ride中字母i發(fā)音為/a?/；D選項dish中字母i發(fā)音為/?/。所以答案是C。3.A.noteB.hotC.hopeD.hole【答案】B【解析】A選項note中字母o發(fā)音為/??/；B選項hot中字母o發(fā)音為/?/；C選項hope中字母o發(fā)音為/??/；D選項hole中字母o發(fā)音為/??/。因此答案選B。4.A.cupB.cutC.useD.luck【答案】C【解析】A選項cup中字母u發(fā)音為/?/；B選項cut中字母u發(fā)音為/?/；C選項use中字母u發(fā)音為/ju?/；D選項luck中字母u發(fā)音為/?/。所以選C。5.A.thankB.theseC.thinkD.three【答案】B【解析】A選項thank中字母組合th發(fā)音為/θ/；B選項these中字母組合th發(fā)音為/e/；C選項think中字母組合th發(fā)音為/θ/；D選項three中字母組合th發(fā)音為/θ/。答案是B。二、詞匯與語法知識（共15小題；每題1分，共15分）從每小題的四個選擇項中，選出最佳的一項。6.Theyoungman________ajobinterviewyesterday,buthemissedit.A.shouldhavehadB.musthavehadC.couldhavehadD.mighthavehad【答案】A【解析】“shouldhavedone”表示本應(yīng)該做某事而實際上沒做。根據(jù)題意“這個年輕人昨天本應(yīng)該參加一場工作面試，但他錯過了”，符合語境?！癿usthavedone”表示對過去事情肯定的推測；“couldhavedone”表示過去本能夠做某事；“mighthavedone”表示過去可能做了某事。所以答案是A。7.________isknowntousallisthatthe2024OlympicGameswereheldinParis.A.AsB.WhatC.ItD.That【答案】B【解析】這是一個主語從句，“________isknowntousall”在句中作主語。在主語從句中缺少主語，需要一個能在從句中作主語的連接詞。what可以引導(dǎo)主語從句并在從句中作主語，所以選B。as引導(dǎo)定語從句；it不能引導(dǎo)從句作主語；that在引導(dǎo)主語從句時不充當(dāng)成分。8.NotonlyIbutalsoTomandJack________fondofplayingfootball.A.isB.areC.wasD.be【答案】B【解析】“notonly...butalso...”連接兩個主語時，謂語動詞要遵循“就近原則”，即與靠近它的主語保持一致。在本題中靠近謂語動詞的主語是TomandJack，是復(fù)數(shù)，所以謂語動詞用are。故答案是B。9.Thebook,________isblue,ismine.A.whosecoverB.itscoverC.thecoverofwhichD.whichcover【答案】C【解析】這是一個非限定性定語從句，先行詞是thebook。“thecoverofwhich”表示“書的封面”，在從句中作主語，相當(dāng)于“whosecover”，但這里已經(jīng)有逗號隔開，用“thecoverofwhich”更合適。B選項不能引導(dǎo)定語從句；D選項表述錯誤。所以答案選C。10.Hehasbeenworkinginthisfactory________hegraduatedfromcollege.A.beforeB.sinceC.whenD.until【答案】B【解析】“since”表示“自從”，引導(dǎo)時間狀語從句時，主句常用現(xiàn)在完成時。本題中主句“Hehasbeenworking”是現(xiàn)在完成進行時，從句“hegraduatedfromcollege”是一般過去時，符合“since”的用法?！癰efore”表示“在……之前”；“when”表示“當(dāng)……時候”；“until”表示“直到”。所以答案是B。11.Shedidn'tgotothepartylastnight,________shehadtofinishherreport.A.ifB.thoughC.becauseD.unless【答案】C【解析】根據(jù)前后句邏輯關(guān)系，“她昨晚沒去參加派對”的原因是“她得完成她的報告”，所以用because引導(dǎo)原因狀語從句。“if”引導(dǎo)條件狀語從句；“though”引導(dǎo)讓步狀語從句；“unless”引導(dǎo)條件狀語從句，相當(dāng)于“if...not”。因此答案選C。12.Theproblemisverydifficult.It's________metosolve.A.overB.aboveC.beyondD.under【答案】C【解析】“beyondsb.”表示“超出某人的能力范圍”。本題說問題很難，超出了“我”解決的能力，符合語境?！皁ver”表示“在……上方”；“above”表示“在……之上”；“under”表示“在……下面”。所以答案是C。13.Hesuggestedthatthemeeting________putoffuntilnextweek.A.wouldbeB.shouldbeC.wasD.hadbeen【答案】B【解析】當(dāng)suggest表示“建議”時，后面的賓語從句要用虛擬語氣，即“should+動詞原形”，should可以省略。本題中從句“themeeting...putoffuntilnextweek”表示“會議應(yīng)該被推遲到下周”，用“shouldbe”符合要求。所以答案選B。14.________areply,hedecidedtowriteanotherlettertothecompany.A.NotreceivingB.ReceivingnotC.NothavingreceivedD.Havingnotreceived【答案】C【解析】“receive”這個動作發(fā)生在“decided”之前，且表示否定，要用“not+現(xiàn)在分詞的完成式”，即“nothavingreceived”?，F(xiàn)在分詞的完成式表示動作發(fā)生在謂語動詞之前。所以答案是C。15.Therearetwo________inourclass.A.womanteacherB.womenteacherC.womanteachersD.womenteachers【答案】D【解析】當(dāng)“man”“woman”作定語修飾名詞復(fù)數(shù)時，“man”“woman”也要變成復(fù)數(shù)形式?！皌wo”表示兩個，后面的名詞要用復(fù)數(shù)，所以“womanteacher”的復(fù)數(shù)形式是“womenteachers”。答案選D。16.I'mlookingforwardto________fromyou.A.hearB.hearingC.haveheardD.behearing【答案】B【解析】“l(fā)ookforwardto”中to是介詞，后面要接名詞、代詞或動名詞。所以這里要用hearing，答案是B。17.Thefilmisreallyworth________.A.toseeB.seeingC.beingseenD.tobeseen【答案】B【解析】“beworthdoing”是固定用法，表示“值得做某事”，用主動形式表示被動意義。所以這里用seeing，答案選B。18.Itwasinthestreet________Imetmyoldfriendyesterday.A.thatB.whereC.whichD.when【答案】A【解析】這是一個強調(diào)句，強調(diào)句的結(jié)構(gòu)是“Itis/was+被強調(diào)部分+that+其他部分”。本題中強調(diào)的是地點狀語“inthestreet”，所以用that引導(dǎo)。答案是A。19.Thenumberofstudentsinourschool________increasing.A.areB.isC.haveD.has【答案】B【解析】“thenumberof...”表示“……的數(shù)量”，作主語時，謂語動詞用單數(shù)形式?！癷ncreasing”是現(xiàn)在分詞，這里需要一個be動詞構(gòu)成現(xiàn)在進行時，所以用is。答案選B。20.You'dbetter________athomeand________yourhomework.A.tostay;doB.stay;doC.tostay;todoD.stay;todo【答案】B【解析】“hadbetterdosth.”是固定用法，表示“最好做某事”，and連接兩個并列的動詞短語，前后形式要一致，都用動詞原形。所以答案是B。三、完形填空（共15小題；每題2分，共30分）閱讀下面的短文，掌握其大意，然后從每小題的四個選擇項中選出最佳的一項。Oneday,apoorboywhowastryingtopayhiswaythroughschoolbysellinggoodsdoortodoorfoundthatheonlyhadonedime(一角硬幣)left.Hewashungrysohedecidedto__21__foramealatthenexthouse.However,helosthisnerve(勇氣)whenalovelyyoungwomanopenedthedoor.Insteadofamealheaskedforadrinkofwater.Shethoughthelooked__22__soshebroughthimalargeglassofmilk.Hedrankitslowly,andthenasked,“HowmuchdoIowe(欠)you?”“Youdon'towemeanything,”she__23__.“Motherhastaughtmenevertoacceptpayforakindness.”Hesaid,“ThenIthankyoufromthebottomofmyheart.”AsHowardKellyleftthathouse,henotonlyfeltstronger__24__,butitalsoincreasedhisfaithinGodandthehumanrace.Hewasabouttogiveupandquitbeforethispoint.Yearslatertheyoungwomanbecamecriticallyill.Thelocaldoctorswere__25__.Theyfinallysenthertothebigcity,wherespecialistscanbecalledintostudyherraredisease.Dr.HowardKelly,now__26__,wascalledinfortheconsultation(會診).Whenheheardthenameofthetownshecamefrom,astrangelight__27__hiseyes.Immediately,heroseandwentdownthroughthehospitalhallintoherroom.__28__inhisdoctor'sgown(長袍)hewentintoseeher.He__29__heratonce.Hewentbacktotheconsultationroomand__30__todohisbesttosaveherlife.Fromthatdayon,hegavespecialattentiontohercase.Afteralongstruggle,thebattlewaswon.Dr.Kelly__31__thebusinessofficetopassthefinalbilltohimforapproval(批準(zhǔn)).Helookedatitandthenwrotesomethingontheside.Thebillwassenttoherroom.Shewasafraidtoopenitbecauseshewassurethatitwouldtaketherestofherlifetopayitoff.Finallyshelooked,andthenoteonthesideofthebillcaughther__32__.Shereadthesewords:“Paidinfullwithaglassofmilk.”__33__Dr.HowardKelly.Tearsofjoyfloodedhereyesasshe__34__silently,“Thankyou,God.Yourlovehasspreadthroughhumanheartsandhands.”21.A.callB.makeC.begD.prepare【答案】C【解析】根據(jù)前文“apoorboywhowastryingtopayhiswaythroughschoolbysellinggoodsdoortodoorfoundthatheonlyhadonedimeleft”以及“Hewashungry”可知，男孩沒錢且餓了，所以他決定到下一家去乞討一頓飯?！癰egfor”表示“乞討，請求”，符合語境?！癱allfor”表示“需要，要求”；“makefor”表示“走向，有助于”；“preparefor”表示“為……做準(zhǔn)備”。所以答案選C。22.A.sickB.hungryC.tiredD.thirsty【答案】B【解析】男孩向年輕女士要水喝，女士覺得他看起來餓了，所以給了他一大杯牛奶?！癶ungry”符合語境?！皊ick”表示“生病的”；“tired”表示“疲憊的”；“thirsty”表示“口渴的”，但前文男孩只是要水，女士根據(jù)整體情況判斷他餓了，而不是單純口渴。所以答案是B。23.A.announcedB.shookC.repliedD.doubted【答案】C【解析】男孩問女士要付多少錢，女士進行了回復(fù)?！皉eplied”表示“回復(fù)，回答”，符合語境?！癮nnounced”表示“宣布”；“shook”是“shake”的過去式，意為“搖晃”；“doubted”表示“懷疑”。所以答案選C。24.A.physicallyB.mentallyC.normallyD.properly【答案】A【解析】男孩喝了牛奶后，身體上感覺更有力量了。“physically”表示“身體上地”，符合語境。“mentally”表示“精神上地”；“normally”表示“正常地”；“properly”表示“適當(dāng)?shù)亍?。所以答案是A。25.A.defeatedB.refusedC.frightenedD.puzzled【答案】D【解析】年輕女士得了重病，當(dāng)?shù)蒯t(yī)生對她的病感到困惑，不知道如何治療。“puzzled”表示“困惑的”，符合語境?！癲efeated”表示“被打敗的”；“refused”表示“被拒絕的”；“frightened”表示“害怕的”。所以答案選D。26.A.richB.famousC.observantD.vivid【答案】B【解析】多年后，HowardKelly成為了一位著名的醫(yī)生，所以才會被邀請去會診?！癴amous”表示“著名的”，符合語境。“rich”表示“富有的”；“observant”表示“善于觀察的”；“vivid”表示“生動的”。所以答案是B。27.A.fixedB.consultedC.filledD.concentrated【答案】C【解析】當(dāng)HowardKelly聽到女士來自的城鎮(zhèn)名字時，他的眼睛里閃著異樣的光，也就是眼睛里充滿了異樣的神情。“filled”表示“充滿”，符合語境。“fixed”表示“固定”；“consulted”表示“咨詢”；“concentrated”表示“集中”。所以答案選C。28.A.CoveredB.HadC.DressedD.Put【答案】C【解析】“bedressedin”表示“穿著”，這里用“Dressed”省略了“be”動詞，在句中作狀語，表示“穿著醫(yī)生的長袍”?！癈overed”表示“覆蓋”；“Had”表示“有”；“Put”表示“放置”。所以答案是C。29.A.recognizedB.knewC.sparedD.regained【答案】A【解析】HowardKelly一看到女士就立刻認(rèn)出了她?！皉ecognized”表示“認(rèn)出，識別”，符合語境。“knew”表示“知道”；“spared”表示“抽出，饒恕”；“regained”表示“重新獲得”。所以答案選A。30.A.desiredB.declaredC.determinedD.declined【答案】C【解析】HowardKelly回到會診室，決定盡最大努力拯救女士的生命?！癲eterminedtodosth.”表示“決定做某事”，符合語境。“desired”表示“渴望”；“declared”表示“宣布”；“declined”表示“拒絕”。所以答案是C。31.A.orderedB.requiredC.confusedD.compressed【答案】A【解析】HowardKelly命令業(yè)務(wù)辦公室把最終賬單交給他批準(zhǔn)?！皁rdered”表示“命令”，符合語境?！皉equired”表示“要求”；“confused”表示“使困惑”；“compressed”表示“壓縮”。所以答案選A。32.A.presentationB.preferenceC.attentionD.arrangement【答案】C【解析】賬單上的便條引起了女士的注意。“caughtone'sattention”表示“引起某人的注意”，符合語境。“presentation”表示“展示，呈現(xiàn)”；“preference”表示“偏愛”；“arrangement”表示“安排”。所以答案是C。33.A.ByB.WithC.OnD.Of【答案】A【解析】“By”在這里表示“由……所寫”，即便條是由HowardKelly醫(yī)生寫的。所以答案選A。34.A.praisedB.pretendedC.pressedD.prayed【答案】D【解析】女士含著喜悅的淚水默默地祈禱。“prayed”表示“祈禱”，符合語境?！皃raised”表示“贊揚”；“pretended”表示“假裝”；“pressed”表示“按壓”。所以答案是D。四、閱讀理解（共20小題；每題3分，共60分）閱讀下列短文，然后根據(jù)短文的內(nèi)容從每小題的四個選擇項中選出最佳的一項。Passage1TheInternethasbecomeanimportantpartofourlives.Ithaschangedthewaywelive,work,andcommunicate.Wecannowshoponline,studyonline,andevensocializeonline.OneofthebiggestadvantagesoftheInternetistheaccesstoinformation.WecanfindalmostanyinformationweneedontheInternet.Whetherit'sforschoolresearch,workprojects,orjustforfun,theInternetprovidesavastamountofinformation.Forexample,ifyouwanttolearnaboutanewculture,youcaneasilyfindarticles,videos,andpicturesaboutitontheInternet.Anotheradvantageiscommunication.TheInternethasmadeiteasierforustostayintouchwithpeoplearoundtheworld.Wecanuseemail,socialmedia,andvideo-conferencingtocommunicatewithourfriends,family,andcolleagues.Wecanevenmakenewfriendsonline.However,theInternetalsohassomedisadvantages.Oneofthemainproblemsisonlinesecurity.Therearemanyhackersandcyber-criminalsontheInternetwhotrytostealourpersonalinformation,suchascreditcardnumbersandpasswords.Weneedtobeverycarefulwhenweshareourpersonalinformationonline.Anotherproblemisthespreadoffalseinformation.ThereisalotofmisinformationontheInternet,whichcanbeveryconfusing.Weneedtobeabletodistinguishbetweentrueandfalseinformation.35.WhatisoneofthebiggestadvantagesoftheInternetaccordingtothepassage?A.Ithelpsussavemoney.B.Itprovidesaccesstoinformation.C.Itmakesourlivesmoreexciting.D.Itallowsustoshopeasily.【答案】B【解析】根據(jù)文中“OneofthebiggestadvantagesoftheInternetistheaccesstoinformation.WecanfindalmostanyinformationweneedontheInternet.”可知，互聯(lián)網(wǎng)最大的優(yōu)勢之一是可以獲取信息。所以答案選B。36.Howcanwecommunicatewithpeoplearoundtheworldaccordingtothepassage?A.Bywritingletters.B.Bymakingphonecalls.C.Byusingemail,socialmedia,andvideo-conferencing.D.Bysendingpostcards.【答案】C【解析】文中提到“TheInternethasmadeiteasierforustostayintouchwithpeoplearoundtheworld.Wecanuseemail,socialmedia,andvideo-conferencingtocommunicatewithourfriends,family,andcolleagues.”，說明我們可以通過電子郵件、社交媒體和視頻會議與世界各地的人交流。所以答案是C。37.WhatisoneofthemainproblemsoftheInternet?A.Itistooexpensive.B.Ithastoomanyadvertisements.C.Onlinesecurity.D.Itisdifficulttouse.【答案】C【解析】根據(jù)“However,theInternetalsohassomedisadvantages.Oneofthemainproblemsisonlinesecurity.”可知，互聯(lián)網(wǎng)的主要問題之一是網(wǎng)絡(luò)安全。所以答案選C。38.Whydoweneedtobecarefulwhensharingpersonalinformationonline?A.Becausetherearemanyhackersandcyber-criminals.B.BecausetheInternetisnotreliable.C.Becauseitisagainstthelaw.D.Becausewemaygettoomanyemails.【答案】A【解析】文中提到“Therearemanyhackersandcyber-criminalsontheInternetwhotrytostealourpersonalinformation,suchascreditcardnumbersandpasswords.Weneedtobeverycarefulwhenweshareourpersonalinformationonline.”，說明因為有很多黑客和網(wǎng)絡(luò)罪犯試圖竊取我們的個人信息，所以我們在網(wǎng)上分享個人信息時要小心。所以答案是A。Passage2Thegiraffeisthetallestlivinganimalonland.Ithasaverylongneckandlonglegs.Afull-growngiraffecanbeastallas6meters.Giraffesareherbivores.Theymainlyeatleavesandtwigsfromtrees.Theirlongneckshelpthemreachtheleavesontalltrees.Theyspendmostoftheirdayeatingbecausetheyneedalargeamountoffoodtokeeptheirbigbodieshealthy.Giraffesaresocialanimals.Theyliveingroupscalledherds.Aherdusuallyconsistsof10to20giraffes,butsometimestherecanbemore.Theycommunicatewitheachotherthroughbodylanguageandsounds.Althoughgiraffesarelargeanimals,theyareverygentle.Theyarenotaggressivetowardshumansorotheranimals.However,iftheyfeelthreatened,theycandefendthemselveswiththeirpowerfullegs.Akickfromagiraffecanbeverydangerous.39.Howtallcanafull-growngiraffebe?A.About3meters.B.About4meters.C.About5meters.D.About6meters.【答案】D【解析】文中提到“Afull-growngiraffecanbeastallas6meters.”，所以一只成年長頸鹿可以高達(dá)6米。答案選D。40.Whatdogiraffesmainlyeat?A.Grass.B.Leavesandtwigsfromtrees.C.Fruits.D.Insects.【答案】B【解析】根據(jù)“Giraffesareherbivores.Theymainlyeatleavesandtwigsfromtrees.”可知，長頸鹿主要吃樹上的葉子和嫩枝。所以答案是B。41.Whatisagroupofgiraffescalled?A.Apack.B.Aherd.C.Aflock.D.Aschool.【答案】B【解析】文中提到“Theyliveingroupscalledherds.”，說明一群長頸鹿被稱為“herd”。所以答案選B。42.Howcangiraffesdefendthemselvesiftheyfeelthreatened?A.Byrunningaway.B.Byusingtheirlongnecks.C.Bykickingwiththeirpowerfullegs.D.Bymakingloudnoises.【答案】C【解析】由“However,iftheyfeelthreatened,theycandefendthemselveswiththeirpowerfullegs.Akickfromagiraffecanbeverydangerous.”可知，如果長頸鹿感到受到威脅，它們可以用有力的腿踢來保護自己。所以答案是C。Passage3Inmodernsociety,stresshasbecomeacommonproblem.Manypeopleareunderstressbecauseofwork,family,andsocialpressure.Stresscanhaveanegativeimpactonourphysicalandmentalhealth.Physicalsymptomsofstressincludeheadaches,backpain,andhighbloodpressure.Mentally,stresscancauseanxiety,depression,anddifficultyconcentrating.Todealwithstress,thereareseveraleffectivemethods.Onewayisexercise.Exercisecanhelpreleaseendorphins,whicharenaturalpainkillersandmood-lifters.Itcanalsoimproveoursleepquality.Anotherwayisrelaxationtechniques.Suchasdeepbreathing,meditation,andyoga.Thesetechniquescanhelpcalmourmindsandreducestresslevels.Inaddition,spendingtimewithfriendsandfamilycanalsobehelpful.Socialsupportcanmakeusfeelmorecomfortableandlessstressed.43.Whydomanypeoplehavestressinmodernsociety?A.Becausetheydon'thaveenoughmoney.B.Becauseofwork,family,andsocialpressure.C.Becausetheydon'thaveenoughsleep.D.Becausetheyeattoomuchjunkfood.【答案】B【解析】根據(jù)“Manypeopleareunderstressbecauseofwork,family,andsocialpressure.”可知，很多人在現(xiàn)代社會有壓力是因為工作、家庭和社會壓力。所以答案選B。44.Whatarethephysicalsymptomsofstress?A.Anxietyanddepression.B.Headaches,backpain,andhighbloodpressure.C.Difficultyconcentrating.D.Lossofappetite.【答案】B【解析】文中提到“Physicalsymptomsofstressincludeheadaches,backpain,andhighbloodpressure.”，說明壓力的身體癥狀包括頭痛、背痛和高血壓。所以答案是B。45.Howcanexercisehelpdealwithstress?A.Bymakingusstronger.B.Byhelpingusmakemorefriends.C.Byreleasingendorphins.D.Bymakinguseatmore.【答案】C【解析】根據(jù)“Exercisecanhelpreleaseendorphins,whicharenaturalpainkillersandmood-lifters.Itcanalsoimproveoursleepquality.”可知，運動可以幫助釋放內(nèi)啡肽，內(nèi)啡肽是天然的止痛藥和情緒提升劑，能幫助應(yīng)對壓力。所以答案選C。46.Whatarerelaxationtechniquesmentionedinthepassage?A.ReadingbooksandwatchingTV.B.Deepbreathing,meditation,andyoga.C.Playingsportsandlisteningtomusic.D.Shoppingandtraveling.【答案】B【解析】文中指出“Anotherwayisrelaxationtechniques.Suchasdeepbreathing,meditation,andyoga.”，說明文中提到的放松技巧有深呼吸、冥想和瑜伽。所以答案是B。Passage4TheGreatWallofChinaisoneofthemostfamousman-madestructuresintheworld.Itwasbuiltoveraperiodofmorethan2,000years.ThemainpurposeofbuildingtheGreatWallwastoprotectthenorthernbordersoftheChineseEmpirefromvariousinvaders.Inancienttimes,Chinawasoftenattackedbynomadictribesfromthenorth.TheconstructionoftheGreatWallinvolvedahugeamountoflabor.Millionsofpeople,includingsoldiers,peasants,andprisoners,wereforcedtoworkonthewall.Theworkwasverydifficultanddangerous.Manypeoplediedduringtheconstruction.Today,theGreatWallisapopulartouristattraction.Itattractsmillionsofvisitorsfromallovertheworldeveryyear.PeoplecometoadmireitsgrandeurandlearnaboutChina'slonghistory.47.HowlongdidittaketobuildtheGreatWall?A.Morethan1,000years.B.Morethan2,000years.C.Morethan3,000years.D.Morethan4,000years.【答案】B【解析】文中提到“Itwasbuiltoveraperiodofmorethan2,000years.”，說明修建長城花了兩千多年的時間。所以答案選B。48.WhywastheGreatWallbuilt?A.ToshowthepoweroftheChineseEmpire.B.Toattracttourists.C.Toprotectthenorthernbordersfrominvaders.D.Tocreatejobsforpeople.【答案】C【解析】根據(jù)“ThemainpurposeofbuildingtheGreatWallwastoprotectthenorthernbordersoftheChineseEmpirefromvariousinvaders.”可知，修建長城的主要目的是保護中國帝國的北部邊境免受各種入侵者的侵害。所以答案是C。49.WhowereinvolvedintheconstructionoftheGreatWall?A.Onlysoldiers.B.Soldiers,peasants,andprisoners.C.Onlypeasants.D.Architectsandengineers.【答案】B【解析】文中提到“Millionsofpeople,includingsoldiers,peasants,andprisoners,wereforcedtoworkonthewall.”，說明參與修建長城的有士兵、農(nóng)民和囚犯。所以答案選B。50.WhydomanypeoplevisittheGreatWalltoday?A.Totakephotos.B.Toexercise.C.ToadmireitsgrandeurandlearnaboutChina'shistory.D.Tomeetnewfriends.【