2021年大学英语四级真题答案及解析.docx

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1、2021 年 6 月大学英语四级真题（第1 套)PartIWriting（ 30minutes ）Directions:Forthispart,youareallowed30minutestowriteashor tessayontheimportanceofreadingabilityandhowtodevelopit.Youshouldwriteatl east120wordsbutnomorethan180words.minutes)SectionADirections:Inthissection,youwillhearthreethreequestions.Boththenewsrep

2、ortandtheqspokenonlynewsreports.Attheendofeachnewsreport,you willheartwooruestionswillbethefourchoicesA),B),C)andD).Thenmarkthecorrespondingletterononce.Afteryouhearaquestion,youmustchoosethebestanswer frommarkedAnswerSheet1witha singlelinethroughthecentre.Questions1and2arebasedonthenewsreportyouhav

3、ejusthear d.1.A)Thereturnofabottledmessagetoitsownersdaughter.B)ANewHampshiremansjokewithfriendsonhiswife.C) Afathersmessageforhisdaughter.D) Thehistoryofacentury-oldmotel.2. A)Shewantedtoshowgratitudeforhiskindness.B) Shewantedtohonorherfatherspromise.C) Shehadbeenaskedbyherfathertodoso.D) Shewasex

4、citedtoseeherfathershandwriting.Questions3and4arebasedonthenewsreportyouhavejusthear d.3. A)Peoplewereconcernedaboutthenumberofbees.B) SeveralcasesofZikadiseasehadbeenidentified.C) Twomillionbeeswereinfectedwithdisease.D) Zikavirushaddestroyedsomebeefarms.4. A)Itapologizedtoitscustomers.B) Itwasforc

5、edtokillitsbees.C) Itlostahugestockofbees.D) Itlost2.5milliondollars.Questions5to7arebasedonthenewsreportyouhavejustheard.5. A)Itstayedintheairforabouttwohours.B) Ittookoffandlandedonafootballfield.C)D) Itmadeaseriesofsharpturnsinthesky.6. A)Engineeringproblems.B) Theairpollutionitproduced.C) Inadeq

6、uatefunding.D) Theoppositionfromthemilitary.7. A)Itusesthelatestaviationtechnology.D)Itismoreenvironmentallyfriendly.SectionBDirections:Inthissection,youwillheartwolongconversations.At theendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhe

7、araquesti on,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions8to11arebasedontheconversationyouhavejustheard.8. A)Itseemsadepressingtopic.B) Itsoundsquitealarming.C) Ithaslittleimpactonourdailylife.D)

8、 Itisgettingmoreseriousthesedays.9. A)ThemandoesntunderstandSpanish.B) Thewomandoesntreallylikedancing.C) Theydontwantsomethingtoonoisy.D)10. A)ItwouldbemorefunwithoutMr.Whiteheadhosting.B) Ithastoomanyactstoholdtheaudiencesattention.C) Itisthemostamusingshowhehaseverwatched.D) Itisashowinappropriat

9、eforanightofcharity.11.B) Goandseethedance.C) Booktheticketsonline.D) Seeafilmwiththeman.Questions12to15arebasedontheconversationyouhavejusthea rd.12. A)Mostofherschoolmatesareyoungerthansheis.B) Shesimplyhasnoideawhatschooltotransferto.C) Therearetoomanyactivitiesforhertocopewith.D) Sheworriesshewo

10、ntfitinasatransferstudent.13. A)Seekadvicefromseniorstudents.B) Pickupsomemeaningfulhobbies.C) Participateinafter-schoolactivities.D) Lookintowhattheschooloffers.14. A)Giveherhelpwheneversheneedsit.B) Acceptherasatransferstudent.C)D) Introducehertoherroommates.15. A)ShehasinterestssimilartoMr.Lees.B

11、)C) ShehaschosenthemajorCatherinehas.D) Shehasjusttransferredtothecollege.SectionCDirections:Inthissection,youwillhearthreepassages.Attheen dofeachpassage,youwillhearthreeorfourquestions.Boththepassageandthequestions willbespokenonlyonce.Afteryouhearaquestion,youmustchoo sethebestanswerfromthefourch

12、oicesmarkedA),B),C)and D).ThenmarkthecorrespondingletteronAnswerSheet1withas ingleline throughthecentre .Questions16to18arebasedonthepassageyouhavejustheard.16. A)Toinvestigatehowbeingoverweightimpactsonhealth.B) Tofindoutwhichphysicaldriveisthemostpowerful.C) Todiscoverwhatmostmiceliketoeat.D) Tode

13、terminewhatfeelingsmicehave.17. A)Whentheyarehungry.B) Whentheyarethirsty.C) Whentheysmellfood.D)18. A)Theysearchforfoodingroups.B) Theyareoverweightwhenfoodisplenty.C) Theyprefertobewithothermice.D)Questions19to21arebasedonthepassageyouhavejustheard.19. A)ItsconstructionstartedbeforeWorldWarI.B) It

14、sconstructioncostmorethan$ 40billion.C) Itisefficientlyusedfortransport.D) Itisoneofthebestintheworld.20. A)Toimprovetransportationinthecountryside.B)Tomovetroopsquicklyfromplacetoplace.C) ToD) Toenablepeopletotravelspeedupthetransportationataofhigherspeed.goods.21.A)Inthe1970s.B)Inthe1960s.C) InD)

15、Inthe1950s.the1940s.Questions22to25arebasedonthepassageyouhavejustheard.22. A)Chattingwhiledriving.B) Messagingwhiledriving.C) Drivingunderage.D) Speedingonhighways.23. A)Agadgettoholdaphoneonthesteeringwheel.B) Agadgettochargethephoneinacar.C) Adevicetocontrolthespeedofavehicle.D) Adevicetoensurepe

16、opledrivewithbothhands.24. A)Thecarkeepsflashingitsheadlights.B) Thecarslowsdowngraduallytoahalt.C) Theyarealertedwithalightandasound.D) Theygetawarningontheirsmartphone.25. A)Installingacamera.B) Usingaconnectedapp.C) Checkingtheiremails.D) Keepingadailyrecordminutes)SectionADirections:Inthissectio

17、n,thereisapassagewith10blanks.Youa rerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoicei nthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroug

18、hthecentre.Youmaynotuseanyofthewords inthebankmorethanonce.inside.Whenthetowerwas first 26 in1962, itwas coveredwiththinsquarestones.These smallsquarestonesbecamea problem forthe buildingand continued to fall off the face for 40 years until a major renovation was 27 . DuringA vertical solarproject o

19、n sucha large 30 has never been repeatedsince.Coveringa skyscraperwithsolarpanelshad neverbeen done before,and the CIS tower was chosen as one of the 10 best green energy projects. For a longKingdom, but it was 31 overtaken by the Millbank Tower.Green buildings like this arent 32 cost-efficient for

20、the investor,but itdoes produce much lesspollutionthan thatcaused by energy 33 through fossil fuels. As solar panels get 34 , the world is likely to see moreskyscrapers covered in solar panels, collecting energy much like trees do.Imaginea worldwhere buildingthetallestskyscraperwasnta raceof 35 , bu

21、t rather one to collect the most solar energy.A)cheaperB)cleanerC)collectionD)competedE)constructedF)consultedG)dimensionH)discoveredI)eventuallyJ)heightK)necessarilyL)productionM)rangeN)scaleO)undertakenSectionBDirections:Inthissection,youaregoingtoreadapassagewit htenstatementsattachedtoit.Eachsta

22、tementcontainsinformationgiveninoneoftheparag raphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.Answerthequestion sbymarkingthe correspondingletteronAnswerSheet2.Some College Students Are Angry That They Have to Pay to Do T

23、heir HomeworkA)B)publishers,have boastedthattheirnew onlineofferings,when pushed to students through universities they partner with, represent the future of the industry.C) But criticssay thedigitalaccess codes representthesame profit-seekingethos( 观念 ) ofthetextbookbusiness,and are even harderforst

24、udentstooptoutof. While they could once buy second-hand textbooks, or share copies with friends,the digital systems are essentially impossible to avoid.D) When we talk about the access code we see it as the new face of the textbookmonopoly ( 垄断 ),a new way to lockstudentsaround thissystem,saidEthan

25、Senack, the higher education advocate for the U.S. Public Interest Research Group, toBuzzFeed News. Rather than $250 (for a print textbook) youre paying $ 120, said Senack. But because its all digital it eliminates the used book marketand eliminatesany sharingand because homework and testsarethrough

26、an accesscode, it eliminates any ability to opt out.E) Sarina Harpet, a 19-year-old student at Virginia Tech, was faced with a toughdilemma when she first started college in 2015 pay rent or pay to turn in her chemistry homework. She told BuzzFeed News that her freshman chemistry classrequiredher to

27、use Connect,a system providedby McGrawHillwhere studentscan submit homework, take exams and track their grades. But the code to access theprogram cost $ 120 a big sum for Harper, who had already put down $ 450 for textbooks, and had rent day approaching.F) She decidedtowaitforhernextwork-studypayche

28、ck,whichwas typically$ 150-$ 200, to pay for the code. She knew that her chemistry grade may take a diveas a result.Itsa balancingact,she said.Can Ireallyaffordtheseaccess codes now? She didnt hand in her first two assignments for chemistry, whichstarted her out in the class with a failing grade.G)

29、The access codes may be anotherfinancialheadache forstudents,but fortextbook businesses, theyre the future. McGraw Hill, which controls 21% of the highereducationmarket,reportedinMarch thatitsdigitalcontentsalesexceeded printH)the printed textbook is now over.I) The textbook industry insists the onl

30、ine systems represent a better deal forstudents.These digitalproductsarentjustmechanisms forstudentsto submit homework, they offer all kinds of features, David Anderson, the executivedirector of higher education with the Association of American Publishers, toldBuzzFeed News. Ithelpsstudentsunderstan

31、dina way thatyou cantdo withprint homework assignments.J) David Hunt,an associateprofessorinsociologyatAugusta University,which has rolled out digital textbooks across its math and psychology departments, toldBuzzFeed News thathe understandsthe utilityof usingsystems thatrequireaccess codes. But he

32、doesnt require his students to buy access to a learning programthat controls the class assignments. I try to make things as inexpensive aspossible, said Hunt, who uses free digital textbooks for his classes but designs his own curriculum. The online systems may make my life a lot easier but I feel l

33、ike Im giving up control. The discussions are the things where my expertisecan benefit the students most.K) A 20-year-oldjunioratGeorgiaSouthernUniversitytoldBuzzFeed News thatshe normallyspends $ 500-$ 600 on access codes forclass.In one case,theprofessor didntrequirestudentsto buy a textbook,justa

34、n access code to turninhomework. Thisyear she saidshe spent$ 900 on accesscodes tobooks and programs.Thats two months ofrent,she said.You cantsellany of it back. With a traditional textbook you can sell it for $ 30 - $ 50 and that helps to pay for your newsemesters books. With an access code, youre

35、out of that money. L) Benjamin Wolverton, a 19-year-old student at the University of South Carolina,toldBuzzFeed News thatitsridiculousthatafterpayingtensofthousandsin tuition we have to pay for all these access codes to do our homework. Many ofor quizzes.Oftenitsonly10%of your grade inclass.he said

36、.Yourepaying so much money for something that hardly affects your grade but if you didnt have it, it would affect your grades enough. It would be bad to start out at aB or C. Wolverton said he spent $ 500 on access codes for digital books and programs this semester.M) Harper, a poultry (家禽 ) science

37、 major, is taking chemistryagain this yearand had to buy a new access code to hand in her homework. She rented her economicsand statisticstextbooksforabout$ 20 each.But her accesscodes forhomework, whichcantbe rentedorboughtsecond-hand,were hermost expensivepurchases:$ 120 and $ 85.N) She stillremem

38、bers thestingofher firstexperienceskippingan assignmentdue tothehighprices.We dontreallyhave a missed assignmentpolicy,she said. Ifyou miss it,you justmiss it.I justgotzeros on a coupleof firstassignments.I managed to pull everything back up. But as a scared freshman looking at their grades, its not

39、 fun.36. A students yearly expenses on access codes may amount to their rent for two months.37. The online access codes may be seen as away to tie the studentstothe digital system.38. If a student takes a course again, they may have to buy a new access code to submit their assignments.39. McGrawHill

40、accountsforover one-fifthof the marketshare of collegetextbooks.40. Many traditionaltextbookpublishersare now offeringonlinedigitalproducts, which they believe will be the future of the publishing business.41.42. Digital materials can cost students less than half the price of traditionalprinted book

41、s according to a publisher.43.44. Online systems may deprive teachers of opportunities to make the best use of their expertise for their students.45. Digital access codes are criticized because they are profit-driven just like the textbook business.SectionCDirections:Thereare2passagesinthissection.E

42、achpassageisfo llowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoiceandmarkthecorrespondi ngletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneQuestions46and50arebasedonthefollowingpassage. Passage OneQuestions 46 to 50 are based on the following passage.Losing your ability to think and remember is pretty scary. We know