公共英语四级听力模拟7.docx
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公共英语四级听力模拟7.docx
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公共英语四级听力模拟7
[模拟]公共英语四级听力模拟7
ListeningComprehensionThissectionisdesignedtotestyourabilitytounderstandspokenEnglish.Youwillhearaselectionofrecordedmaterialsandyoumustanswerthequestionsthataccompanythem.ThereareTHREEpartsinthissection,PartA,PartBandPartC.Remember,whileyouaredoingthetest,youshouldfirstputdownyouranswersinyourtestbooklet.Attheendofthelisteningcomprehensionsection,youwillhave5minutestotransferallyouranswersflorayourtestbooklettoANSWERSHEET1.Ifyouhaveanyquestions,youmayraiseyourhandNOWasyouwillnotbeallowedtospeakoncethetesthasstarted.NowlookatPartAinyourtestbooklet.PartAForQuestions1-5,youwillhearadialogue.Whileyoulisten,filloutthetablewiththeinformationyouhaveheard.Someoftheinformationhasbeengiventoyouinthetable.Writeonly1wordineachnumberedbox.Youwillheartherecordingtwice.Younowhave25secondstoreadthetablebelow.
[听力原文]
1-5
FinancialaidprogramsintheUnitedStates,especiallyattheundergraduatelevel,dooftenre-quireAmericancitizenship.Atthesametime,scholarshipsoftenpayonlypartofthecostofaneducation.TheNationalFederationoftheBlindadvisesstudentstocontactanyschooltheywishtoat-tendtoaskaboutfinancialaid.
Thefederationisthecountry'slargestgroupfortheblind.Eachyearitawardsscholarshipsthatdonothaveanycitizenshiprequirements.Studentsmustbelegallyblind.AndforeignstudentscannotapplyuntilacollegeintheUnitedStateshasalreadyacceptedthem.
TheapplicationdeadlineisMarchthirty-firstforthirtyscholarshipsofferedforthisfall.Mostarethreethousanddollars.Thehighestistwelvethousanddollars.
TheUnitedStateshasanestimatedonemillionblindadults.Thefederationsaystherearenospecialcollegesoruniversitiesfortheblind.Butschoolsdoofferspecialservicesandtechnologytohelpstudentswithdisabilities.
第1题:
参考答案:
American
详细解答:
第2题:
参考答案:
legally
详细解答:
第3题:
参考答案:
3,000
详细解答:
第4题:
参考答案:
12,000
详细解答:
第5题:
参考答案:
1,000,000
详细解答:
PartBForQuestions6-10,youwillhearadialogue.Whileyoulisten,completethesentencesandanswerthequestion.Usenotmorethan3wordsforeachanswer.Youwillheartherecordingtwice.Younowhave25secondstoreadthesentencesandthequestionbelow.
[听力原文]
6-10
Abowlofsoupadaycouldkeepthepoundsatbay.Healthexpertshavediscoveredthataddinglow-calorievegetablebrothtothestartofamealcanactuallyhelptoloseweight.Thisisbe-causeyoutendtofeelfullsooner,youeatlessofyourmaincourse.ThesoupregimewastestedbyresearchersatPennsylvaniaStateUniversity,ledbyDr.BarbaraRolls.Theyfoundthatwhenparticipantsinthestudyateafirstcourseofsoupbeforelunchtheyreducedtheirtotalcalorieintakeby20percent,comparedwiththosewhodidnotbeginthemealwithsoup.
Butthosewhofavourcreamysoupsshouldbeware.Researchersstressedthesoupmustbelow-calorieandbasedonstock,notcream.
Allofthesoupstestedinthestudyweremadefromidenticalingredients--chickenstock,broccoli,potato,cauliflowerandcarrots.
Theywereblendedtocreatefourdifferenttexturesanddegreesofthicknessfromseparatestockandvegetablesthroughtopur6edsoup.
Scientiststhoughtthatthicksoupswithchunksofvegetableswhichrequiredchewingmightbemorefilling,buttotheirsurprisetheyfoundallformshadthesameeffect.
ThefindingswerepresentedtotheExperimentalBiologyconferenceinWashingtonD.C.,andtheresearchwaspartfundedbytheNationalInstituteofHealth.
第6题:
Healthexpertshavediscoveredthataddinglow-calorievegetablebrothtothestartofamealcanactuallyhelpto______.
参考答案:
loseweight
详细解答:
第7题:
Thisisbecauseyoutendtofeelfullsooner,youeatlessofyour______.
参考答案:
maincourse
详细解答:
第8题:
Participantsinthestudywhoateacourseofsoupbeforelunchreducedtheirtotalcalorieintakeby______,comparedwiththosewhodidn't.
参考答案:
20%
详细解答:
第9题:
Researchersstressedthesoupmustbelow-calorieandbasedonstock,not______.
参考答案:
cream
详细解答:
第10题:
Thicksoupsandthinsoupshave______effect.
参考答案:
thesame
详细解答:
PartCYouwillhearthreedialoguesormonologues.Beforelisteningtoeachone,youwillhavetimetoreadthequestionsrelatedtoit.Whilelistening,answereachquestionbychoosingA,B,CorD.Afterlistening,youwillhavetimetocheckyouranswer.YouwillheareachpieceONLYONCE.
Questions11-13arebasedonthefollowingtalk.Younowhave15secondstoreadQuestions11-13.
[听力原文]
11-13
FarmersinpartsoftheUnitedStateshavestruggledforyearswithaninvasionofredimportedfireantsfromBrazil.Theseinsectsdomajordamage,unlikenativekindsoffireants.EachyeartheycauseanestimatedsixbilliondollarsworthofdamageintheUnitedStates.MorethanonebilliondollarsofthatisjustinTexas.
TheantsarethoughttohavearrivedinthesouthernstateofAlabamainthenineteentwentiesorthirties.SincethentheyhavespreadnorthwardandallthewaytotheWestCoast.
Theyruincrops,damagesoilandgetintoanimalfeed.Theyalsodamageelectricalequipmentandmachinery.Notonlythat,theyinjureanimalsandworkers.Sofarmershavetodealwithmedicalcostsandlostlabor.
Fireantsgettheirnamebecausewhentheysting,theyinjectpoisonintotheskinthatcausesafeelingofintenseburning.Somepeoplesufferlife-threateningreactions.
Coloniesofredimportedfireantscanbefoundincitiesaswellasfarmingareas.Theycangodeepundergroundtosurviveperiodsoflittleornorain.Theyhavenonativepredators,nocreaturesthatliketofeedonthem.
Butonesolutioncouldcomefromtheantsthemselves,intheformofavirusthatsomeofthemcarry.Thisvirusmaysomedayhelpcontrolthepopulation.
ScientistsattheUnitedStatesDepartmentofAgriculturebegantoworkwiththevirusaboutfiveyearsago.Theresearchersobservedonehundredsixty-eightnestsofimportedfireantsinFlorida.Theyfoundthevirusinalmostone-fourthofthem.
Theresearchersfoundthatthevirusaffectedeverypartoffire-antdevelopment,includingtheeggs.Theaffectedcoloniesdiedinaboutthreemonths.
Now,governmentresearcherswanttoworkwithaprivatecompanytoproducelargeamountsofthevirus.Itcouldthenbeusedasabiologicalcontrol.
第11题:
HowmuchisthedamagedonetotheUnitedStateseachyearbyredants?
A.3billiondollars.
B.4billiondollars.
C.5billiondollars.
D.6billiondollars.
参考答案:
D
答案解析:
第12题:
WhichofthefollowingisNOTthedamagedonebyredants?
A.Theycandestroythehousesoffarmers.
B.Theycaninjureanimalsandfarmers.
C.Theydestroycrops.
D.Theygetintoanimalfeed.
参考答案:
A
答案解析:
第13题:
Whatcouldbeaneffectivewaytocontroltheredants?
A.Tospreadakindofviruswithintheantsthemselves.
B.Tousefiretodestroythem.
C.Tocreateakindofpowerfulpoisontodestroythem.
D.Toraiseotherbiologicalanimalstokillthem.
参考答案:
A
答案解析:
Questions14-16arebasedonthefollowingpassage.Younowhave15secondstoreadQuestions14-16.
[听力原文]
14-16
ResearchersintheUnitedStatesareexploringapossiblewaytocontrolmalaria.Theyaredevelopinginsectsresistanttothedisease.
Morethanthreemillionpeoplebecomeinfectedwithmalariaeachyear.Thediseasekillsatleastonemillionpeopleeveryyear.MalariaisfoundinAfrica,Asia,theMiddleEastandSouthAmerica.
Malariaparasitesenteraperson'sbloodthroughthebiteofaverysmallinsect--themosquito.Themalariaparasitestraveltotheliver.Theorganismsgrowanddividethere.Afteraweekortwo,theparasitesinvaderedbloodcellsandreproducethousandsoftimes.Theycauseaperson'sbodytemperaturetorise.Theyalsomaydestroymajororgans.Peoplewithmalariamaysufferkidneyfailureorlossofredbloodcells.
Peoplediefrommalariabecausetheyarenottreatedortreatmentisdelayed.Differentdrugscanpreventtheparasitesfromdevelopinginthebody.Butexpertsstillsaythebestwaytopreventthediseaseisnottobebittenbyamosquito.
Thatcouldchangeinthefuture.ResearchscientistsatTheJohnsHopkinsUniversityhavecreatedmosquitoesthatcannotspreadthemalariaparasites.Computerstudiesshowthatsuchinsectsareneededtoreplacemosquitoesinthewildifmalariacontrolistosucceed.TheresearchersreportedtheirfindingsintheProceedingsoftheNationalAcademyofSciences.
第14题:
Howmanypeoplebecomeinfectedwithmalariaeachyear?
A.Over3million.
B.Over7million.
C.Over30million.
D.Over70million.
参考答案:
A
答案解析:
第15题:
Whatisnotoneofthebadeffectsofmalaria?
A.Themalariaparasiteswillgrowanddivideinthekidney.
B.Theredbloodcellswillthenbeinvadedbytheparasiteswhichreproducethousandsoftimeslater.
C.Theparasitescauseaperson'sbodytemperaturetorise.
D.Peoplewithmalariamaysufferkidneyfailureorlossofredbloodcells.
参考答案:
A
答案解析:
第16题:
Whatisthemainideaofthepassage?
A.Malariaisuncontrollable.
B.Scientistsaretryingtodevelopinsectsresistanttomalaria.
C.Howtokillmosquitoes.
D.Howuselessscienceisincuringmalaria.
参考答案:
B
答案解析:
Questions17-20arebasedonthefollowingpassage.Younowhave15secondstoreadQuestions17-20.
[听力原文]
17-20
CanadianandAmericanscientistsstudiedtheeffectsofpeople'sfishingforsharksintheNorthwestAtlanticoverthepastthirty-fiveyears.Resultsoftheirstudiesw
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