大学英语四级考试真题与答案解析共三套Word格式文档下载.docx
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Pleasecontactmeat************orby12345678ifyouareinterested.
【解析】“halfprice”意思为“半价”；
“yieldtwicetheresultwithhalftheeffort”意思为“事半功倍”。
PartⅡListeningComprehension
SectionA
Inthissection,youwillhearthreenewsreports.Attheendofeachnewsreport,youwillheartwoorthreequestions.Boththenewsreportandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA）,B）,C）andD）.ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.
Questions1and2arebasedonthenewsreportyouhavejustheard.
1.A）Themaninthecarwasabsent-minded.
B）Thetestdrivermadeawrongjudgement.
C）Theself-drivingsystemwasfaulty.
D）Thecarwasmovingatafastspeed.
【答案】B
【解析】由“ourtestdriverbelievedthebuswasgoingtosloworstoptoallowustomergeintothetraffic,andthattherewouldbesufficientspacetodothat.”可知，答案为B。
2.A）Theyhavedonebetterthanconventionalcars.
B）Theyhavecausedseveralseverecrashes.
C）Theyhaveposedathreattootherdrivers.
D）Theyhavegenerallydonequitewell.
【答案】D
【解析】由“Thecompany'
sself-drivingcarshavedonewelloveramillionmilesacrossvariousstatesintheUS,anduntilnowhaveonlyreportedminoraccidents.”可知，答案为D。
听力原文：
OneofGoogle'
sself-drivingcarscrashedintoabusinCalifornialastmonth.Therewerenoinjuries.ItisnotthefirsttimeoneofGoogle'
sfamedself-drivingcarshasbeeninvolvedinacrash,butitmaybethefirsttimeithascausedone.OnFebruary14ththeself-drivingcar,travellingat2mph（3km/h）,pulledoutinfrontofapublicbusgoing15mph（24km/h）.ThemanintheGooglevehiclereportedthatheassumedthebuswouldslowdowntoletthecarout,andsohedidnotswitchtothemanualmode.
Inastatement,Googlesaid:
"
Weclearlybearsomeresponsibility,becauseifourcarhadn'
tmoved,therewouldn'
thavebeenacrash.“Thatsaid,ourtestdriverbelievedthebuswasgoingtosloworstoptoallowustomergeintothetraffic,andthattherewouldbesufficientspacetodothat.“Thecompany'
sself-drivingcarshavedonewelloveramillionmilesacrossvariousstatesintheUS,anduntilnowhaveonlyreportedminoraccidents.
Questions3and4arebasedonthenewsreportyouhavejustheard.
3.A）Heworksatanationalpark.
B）Heisaqueenbeenspecialist.
C）HeremovedtheBeyondfromtheboot.
D）Hedrovethebeesawayfromhiscar.
【答案】A
【解析】由“TomMoseswhoworksatanearbynationalpark”可知，答案为A。
4.A）Theywerelookingafterthequeen.
B）Theyweremakingalotofnoise.
C）Theywerelookingforanewboxtolivein.
D）Theyweredancinginauniqueway.
【解析】由“Theywereveryclosetogetherandtherewasalotofnoiseandmovements”可知，答案为B。
Thousandsofbeesleftatownafterlandingonthebackofacarwhentheirqueengotstuckinitsboot.TomMoseswhoworksatanearbynationalpark,noticeda“brownpatch”onthebackofthecaraftertheownerparkedittodosomeshopping.Whenhelookedcloserherealizeditwasahugegroupofbees.Mosessaid:
“Ihaveneverseenthatmanybeesinonespot.Itwasveryunusual.Theywereveryclosetogetherandtherewasalotofnoiseandmovements,itwasinterestingtosee
suchastrangesight.ButtherewerealotofpeoplearoundandIwasabitworriedaboutthebeesandthepeoplestoppingtolook.Ithoughtthatsomeonemightdosomethingstupid.Mosescalledtwolocalbeesspecialistswhohelpedremovedthebeesbyattractingthemintoabox.Mosesspentthreehourslookingafterthebeesandwasstungfivetimes,hesaidmystingsareabitpainfulbutIampleasedthatallworkedoutandIcouldhelp,peopleneedtorealizethatbeesarevaluableandtheyshouldbelookedafter.
Questions5to7arebasedonthenewsreportyouhavejustheard.
5.A）Thediscoveryofanewspeciesofsnake.
B）Thesecondtriptoasmallremoteisland.
C）Thefindingof2newspeciesoffrog.
D）Thelatesttestonarareanimalspecies.
【解析】由“AnewspeciesofsnakehasbeendiscoveredonaremoteislandintheBahamas”可知，答案为A。
6.A）Apoisonoussnakeattackedhimonhisfieldtrip.
B）Hediscoveredararefogonadesertedisland.
C）Asnakecrawledontohisheadinhissleep.
D）Hefellfromatallpalmtreebyaccident.
【答案】C
【解析】由“Oneofthecreaturesmadeadramaticappearancebymovingontotheheadoftheteamleaderasheslept.”可知，答案为C。
7.A）Fromitsgenes.B）Fromitslength.
C）Fromitsorigin.D）Fromitscolour.
【解析】由“becauseitismetalliccoloredandthefirstspecimenfoundwasclimbingasilverpalm”可知，答案为D。
AnewspeciesofsnakehasbeendiscoveredonaremoteislandintheBahamas.Scientistsidentified20oftheonemeter-longsnakesduringtwotripstotheCaribbeanislands.ThesecondtripwasmadeinOctoberlastyear.Oneofthecreaturesmadeadramaticappearancebymovingontotheheadoftheteamleaderasheslept.ThesnakehasbeennamedsilverBoabecauseitismetalliccoloredandthefirstspecimenfoundwasclimbingasilverpalm
tree.TheteamwasledbyDr.GrahamReynolds,fromHarvardUniversity,thescientistconfirmedthesnakewasapreviouslyunknownspeciesafterconductingageneticanalysisoftissuesamples.
Commentingonthefind,snakeexpertRobertHendersonfromtheMuseumofNaturalHistory,said:
“Worldwidenewspeciesoffrogsarebeingdiscoveredanddescribedquiteregularly.Newspeciesofsnakes,however,aremuchrarer.
SectionB
Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA）,B）,C）andD）.ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.
Questions8to11arebasedontheconversationyouhavejustheard.
8.A）Thesecuritychecktakestime.
B）Hehastocheckalotofluggage.
C）Hisflightisleavinginlessthan2hours.
D）Theairportisalongwayfromthehotel.
【解析】由“Myflightleavesinlessthan2hours.So,couldyoutellme,what'
sthequickestwaytogetthere”可知，答案为C。
9.A）Incash.
B）Bycreditcard.
C）Withatraveler’scheck.
D）Withhissmartphone.
【解析】由“I'
llpaywithmycreditcard”可知，答案为B。
10.A）Givehimareceipt.
B）Confirmhisflight.
C）Lookafterhisluggage.
D）Findaporterforhim.
【解析】由“ButI'
llneedareceipt,soIcanchargeittomycompany”可知，答案为A。
11.A）SigningupformembershipofSHotel.
B）Stayinginthesamehotelnexttimehecomes.
C）Loadingherluggageontotheairportshuttle.
D）Postingacommentonthehotel’swebpage.
【解析】由“Wouldyouliketoleaveacommentonourwebpagewhenyouhavetime”可知，答案为D。
W:
Didyouenjoyyourstaywithus,Mr.Brown?
M:
Yes,verymuch.Ihadawonderfultimehere.NowI'
mgoingtotheairport.Myflightleavesinlessthan2hours.So,couldyoutellme,what'
sthequickestwaytogetthere?
Well,wecancallataxiforyou.Wealsohaveafreeairportshuttleservice.
Thatsoundsgreat,butwilltheshuttlegetmetotheairportintime?
Yes,itshould.Thenextshuttleleavesin15minutes.
Andittakessome25minutestogettotheairport.
Fantastic!
I'
lljustwaitinthelobby.Willyoupleaseletmeknowwhenit'
sleaving?
Ofcourse,sir.
NowIwouldliketosettlemymini-barbill.Howmuchisthat?
Let'
ssee.Itcomesto$37.50.Howwouldyouliketopayforit?
llpaywithmycreditcard.Thanks.ButI'
llneedareceipt,soIcanchargeittomycompany.
Absolutely!
Hereyouare,sir.Ifyoulike,Icanleaveyourbagswiththeporter.Andhecanloadthemontotheshuttleforyouwhenitarrives.
Thatwouldbegreat.Thankyou.
Wouldyouliketoleaveacommentonourwebpagewhenyouhavetime?
Sure.Ihadareallygoodstayhere,andI'
dliketorecommendyourhoteltomyfriendsandcolleagues.
That’sverykindofyou.ThankyouagainforstayingatSheratonHotel.
Questions12to15arebasedontheconversationyouhavejustheard.
12.A）Heistheonlyboyinhisfamily.
B）Hebecomestearfulinwind.
C）Hehasstoppedmakingterriblefaces.
D）Heishisteacher’sfavoritestudent.
【解析】由“Youknow,Ben’sgivenupmakingthoseterriblefacesheusedtomake.”可知，答案为C。
13.A）Tellhimtoplayinherbackyard.
B）Dosomethingfunnytoamusehim.
C）Givehimsomecherrystonestoplaywith.
D）Warnhimofdangerbymakin
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