英語四級真題及答案2016

1、20162016年1212月大學(xué)英語四級考試真題月大學(xué)英語四級考試真題(第3套)PartPartIWritingWriting(30(30minutes)minutes)Directions:Directions:Fthispartyouareallowed30minutestowriteanessay.Supposeyouhavetwooptionsupongraduation:oneistowkinastateownedbusine

2、sstheotherinajointventure.Youaretomakeachoicebetweenthetwo.Writeanessaytoexplainthereasonsfyourchoice.Youshouldwriteatleast120120wdsbutnomethan180180wds.PartPartIIIIListeningListeningComprehensionComprehension(25(25minut

3、esminutes）說明：由于2016年12月四級考試全國共考了2套聽力，本套真題聽力與前2套內(nèi)容完全一樣，只是順序不一樣，因此在本套真題中不再重復(fù)出現(xiàn)。PartPartⅢReadingReadingComprehensionComprehension(40(40minutesminutes）SectionSectionADirections:Directions:Inthissectionthereisapassagewithtenb

4、lanks.Youarerequiredtoonewdfeachblankfromalistofchoicesgiveninawdbankfollowingthepassage.Readthepassagethroughcarefullybefemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.Pleasemarkthecrespondingletterfeachite

5、monAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewdsinthebankmethanonce.QuestionsQuestions2626toto3535arearebasedbasedononthethefollowingfollowingpassage.passage.Manymenwomenhavelongboughtintotheideatha

6、tthereare“male““female“brainsbelievingthatexplainsjustabouteverydifferencebetweenthesexes.Anewstudy26thatbeliefquestioningwhetherbrainsreallycanbedistinguishedbygender.InthestudyTelAvivUniversityresearchers27fsexdifferen

7、cesthroughouttheentirehumanbrain.whatdidtheyfindNotmuch.Ratherthanofferevidencef28brainsas“male““female“researchshowsthatbrainsfallintoawiderangewithmostpeoplefallingrightinthedle.DaphnaJoelwholedthestudysaidherresearchf

8、oundthatwhiletherearesomegenderbased29manydifferenttypesofbraincantalwaysbedistinguishedbygender.Whilethe“average“male“average“femalebrainswere30differentyoucouldnttellitbylookingatindividualbrainscans.Onlyasmall31ofpeop

9、lehad“allmale““allfemale“acteristics.LarryCahillanAmericanneuroscientist(神經(jīng)科學(xué)家)saidthestudyisanimptantadditiontoagrowingbodyofresearchquestioning32beliefsaboutgenderbrainfunction.Buthecautionedagainstconcludingfromthisst

10、udysystemisarmedthey’lltransmitawirelessaleftsignaltoabasestationthatwillthenraisethealarmThatapproachwilleliminatemostcd—cuttingconcernsbutwhatabouttheirwirelessequivalent，jammingwiththefightdevicetunedtothefightfrequen

11、cy，what’stostopathieffromjammingyoursetupblockingthatalertsignalfromeverreachingthebasestationD.Jammingconcernsarenothingnew，they’renotuniquetosecuritysystemsAnydevicethat’sbuiltteceiveawirelesssignalataspecificfrequency

12、canbeoverwhelmedbyastrongersignalcominginonthesamefrequencyFcomparison1et’ssayyouwantedto“jam”aconversationbetweentwopeopleallyou’dneedtodoisyellinthelistener’searE)Securitydevicesarerequiredtolistthefrequenciestheybroad

13、caston—matmeansthatapotentialthiefcanfindwhattheyneedtoknowwithminimalGooglingTheywillhoweverneedtoknowwhatsystemthey’relookingfIfyouhaveasigninyouryarddeclaringwhatsetupyouuse，that’dpointthemintherightdirection，thoughat

14、thatpoint，we’retalkingaboutahighlytargeted，semi—sophisticatedattack，notthestoffced—entryattackthatmakesupthemajityofburglariesIt’seasiertofindacquirejammingequipmentfsomefrequenciesthanitisfothersF)Wirelesssecurityprovid

15、erswilloftentakestepstohelpcombatthethreatofjammingattacksSimpliSafe，winnerofourEdits’Choicedistinctionutilizesaspecialsystemthat’scapableofseparatingincidentalRFinterferencefromtargetedjammingattacksWhenthesystemthinksi

16、t’sbeingjammed，it’llnotifyyouviapushalert(推送警報(bào))Fromthere，it’suptoyoutosoundthealarmmanuallyG)SimpliSafewassingledoutinonerecentarticleonjamming，completewithavideoshowingtheentiresystembeingeffectivelybypassedwithhheldjam

17、mingequipmentAftertakingappropriatemeasurestocontaintheRFinterferencetoourtestlab，wetestedtheattackoutfourselves，wereabletoverifythatit’spossiblewiththerightequipmentHoweverwealsoverifiedthatSimpliSafe’santijammingsystem

18、wksItcaughtusintheact，sentanalerttomysmartphone，alsolistedourRFinterferenceonthesystem’seventlogTheteambehindthearticlevideoinquestionmakenomentionofthesystem，whethernotitdetectedthemH)Weliketheuniquenatureofthatsoftware

19、Itmeansthatathieflikelywouldn’tbeabletoGooglehowthesystemwksthenfigureoutawayarounditEveniftheycould，SimpliSafeclaimsthatitssystemisalwaysevolving，thatitvariesslightlyfromsystemtosystem，whichmeanstherewouldn’tbeauniversa

20、lmagicfmulafcrackingitOthersystemsalsoseemconfidentonthesubjectofjammingTheteamatFrontpointaddressestheissueinablogonitssite，citingtheirownjamprotectionsoftwareclaimingthattherearen’tanydocumentedcasesofasuccessfuljamatt