轮机英语听力.docx
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轮机英语听力.docx
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轮机英语听力
forlargequantitiesofliquidatlowpressure;theaxial-flowpumpsisalsousedforlargequantitiesofliquidatalowheadbecauseofthembeingundercentrifugal;andtherotarypumpsaresuitablefordeliveringmoderatequantitiesatmoderatepressure.
ExerciseI:
Answerthefollowingquestions:
1.Whatarethereciprocatingpumpssuitablefor?
2.Whataretherotarypumpsusedfor?
3.Whatpumpsaresuitableforlargequantitiesofliquidatlowpressure?
ExerciseII:
Listentofollowingsentencesandfillintheblanks:
1.Pumpsareusedonmanyoccasionsonboardanddifferentpumpsplaydifferentroles.
2.Pumpsaresuitablefordeliveringthedifferentquantitiesofliquidatthedifferentpressure.
32
1
LessonOneIntroductionofships
PartI.Inthispartyouwillhearastory.Listencarefullyandanswerthefollowingquestions.
Acouplehadbeenmarriedfor30yearsandwerecelebratingtheir60thbirthdayswhichfellonthesameday.
Duringthecelebrationafairyappearedandsaidthatbecausetheyhadbeensuchalovingcouplefor30years,shewouldgivethemonewisheach.Thewifewantedtotravelaroundtheworld.Thefairywavedherhand.Boom!
Shehadtheticketinherhand.NextItwasthehusband’sturn..Hepausedforamoment,thensaidshyly,”Well,I’dliketohaveawoman30yearsyoungerthanme.”ThefairypickedupherhandandBoom!
Hewasninety.
Questions:
1.Whatwasgoingoninthestory?
2.Whoappearedduringthecelebration?
3.Whatcouldthefairydo?
4.Didtheyrealizetheirwishes?
PartII.Inthispartyouwillheartenstatements.Listencarefully.Thenreadthefoursuggestedchoicesmarkeda,b,canddanddecidewhichisthebestone
1.TheshippassedherlastspecialsurveyinHamburgShipyard.(d)
2.Comparedwiththeforeignmadeengine,thehomemadeenginestillhassomethingtoimprove.(d)
3.Therearenomoreexperiencedmenthanthechiefengineeronboardship.(a)
4.Thereissomethinghefeelsconfusedaboutintheinstructions.(c)
5.TheETAattheSuezCanalistentomorrowmorning.(b)
6.I’lldowhatthechiefengineerasksmetodo.(d)
7.Linersleaveevery40minutes,buthehasjustmissedoneby5minutes.(b)
8.Thereare16youngpeopleonboard,whichis80%ofallofthecrew.(d)
9.VisitingthebulkcarrieristhelastthingBobeverwantstodo.(c)
10.I’dliketolookattheinstructionbooks,designingplansandotherrelativedataofthemainelectricequipmentbeforeItakeovertheship.(c)
2
Q:
Whatstoreshaven'tbeenbroughtonboard?
(C)
PartIV.Inthispartyouwillhearthreepassages.Listencarefullyanddotheexercisesaccordingtowhatyouhear.
Passage1:
Apumpisamachineusedtoraiseliquidsfromalowpointtoahighpoint.Thepumpingactioncanbeachievedinvariouswaysaccordingtothetypeofpumpemployed.Apipingsystemonashipwillconsistofsuctionpiping,apumpanddischargepiping.Thesystemisarrangedtoprovideapositivepressureatsomepointanddischargetheliquid.Thepumpprovidestheenergytodevelopthepressureandovercomeanylossesinthesystem.
ExerciseI:
Answerthefollowingquestions
1.Whatisapump?
2.Whatdoesapipingsystemonashipconsistof?
3.Onwhatcanapumpdependtoachieveitspumpingaction?
ExerciseII:
Completethefollowingsentencesaccordingtowhatyouhear:
1.Thepumpingactioncanbeachievedinvariouswaysaccordingtothetypeofthepumpemployed.
2.Thepumpprovidestheenergytodevelopthepressureandovercomeanylossesinthesystem.
Passage2:
Thedisplacementpumpingactionisachievedbythereductionandincreaseinvolumeofaspacecausingtheliquidtobemoved.Theaxial-flowpumpsuseascrewpropellertoaxiallyacceleratetheliquid.Centrifugalpumpsdependoncentrifugalforceforoperation.Theliquidentersthecenteroftheimpellerandflowradiantlyout,itsspeedbeingincreasedbytheimpellerrotation.Thehighspeedislargelyconvertedintopressureinthepumpcasing.Animpellerismountedonarotatingshaft.
Exercise:
Makeproperchoicesaccordingtowhatyouhear:
1.Bywhatisthedisplacementpumpingactionachieved?
(c)
2.Whatdotheaxial-flowpumpsusetoacceleratetheliquid?
(b)
3.Onwhatdothecentrifugalpumpsdependforoperation?
(d)
Passage3:
Pumpsareusedonmanyoccasionsonboardanddifferentpumpsplaydifferentroles.Theyaresuitablefordeliveringdifferentquantitiesofliquidatthedifferentpressure.Ingeneral,thereciprocatingpumpsaresuitablefordeliveringsmallquantitiesathighpressure;thecentrifugalpumpsaremoreused
31
Q:
Whataretheydoing?
(A)
4.W:
Iamexhausted.
M:
Wehavebeenworkingalmostthreeweekswithoutabreak.Wedeserveadayoff.
Q:
Whyisthewomantired?
(D)
5.W:
Whattypeofswitchesdoyouexpectustodeliverandwhatisthedeliverytime?
M:
Youmaytakethisoldoneasamodel.Andwewilldeliverthemonboardnolaterthan10a.m.tomorrowmorning.
Q:
Whoarethetwospeakers?
(A)
6.W:
Arethepumpcasingscracked?
M:
No,theyarecorroded.Theyhavetoberenewedimmediately.
QWhatdidthepeoplefind?
(C)
7.W:
Danny,What'swrong?
M:
Thepumprunswithanabnormalnoise.
W:
Isuggestyouchecktheshaftcenterlinesbetweenthemotorandthepumptoseeiftheyarealigned?
Q:
Whatdoesthewomansuggestdoing?
(D)
8.W:
Willyoustarttheemergencyfirepumpwithemergencypowersupply?
M:
Allright.
W:
Yousee,there'ssomethingwrongwiththefirepump.Whycan'titbestarted?
M:
Wehaven'tfoundtheproblem.
Q:
Whatequipmenthasaproblem?
(D)
9.M:
Weneed3-inchgalvanizedpipes.Wearehavingasevereleakageinthefreshwaterlinesondeck.Weneeditsincewehavenoneonboard.
W:
Howmanydoyouneed?
M:
Five3-inchpipesandabout15flanges.
Q:
Whatisthesizeofpipestheyneed?
(B)
10.W:
ItoldyourchiefengineerIbroughttheconsumablesasyourequested,andhetoldmetotalkwithyouforconfirmation.
M:
Areallitemsready?
W:
I’mafraidUM-2batteryisnotreadyyet,and400Wmercurylampwillarriveattheshiparound4o'clockthisafternoon.
30
PartIII.Inthispartyouwillheartendialogues.Listencarefully.Thenreadthefoursuggestedchoicesmarkeda,b,canddanddecidewhichisthebestone
1Man:
Thesaloonisfilledwithsmoke,Icanhardlybreathe.
Woman.:
Iagree,smokingshouldnotbepermittedhereatall.
Question:
Whatcanbeconcludedfromthisconversation?
(B)
2M:
Hello,Mr.Smith,whereisyourshipnow?
W:
ItisalongsideWharfNo.2,aheadofacontainership.Canyouseeit?
Q:
Whatquestiondidthemanask?
(C)
3M:
Idon’tthinkourfourthengineerisagoodworker.
W:
Yes,andRichardworksashardasfourthengineer.
M:
That’snotsayingverymuch.
Q:
Whatconclusioncanbedrawnfromtheconversation?
(D)
4M:
Whatkindofmainenginedoyouhaveonboard?
W:
Wehavetwo-strokeslowspeeddieselengine.Ithaslargecapacityof15000horsepower.
Q:
Whattypeofmainengineisit?
(C)
5.W:
Howlongdoyouworkeverydayintheengineroom?
M:
Eighthours.Iworkfrom8to12inthemorningandintheevening.
Q:
Whoistheman?
(D)
6M:
Excuseme,doyoumindifIsithere?
W:
No,ofcoursenot.
Q:
Whatdoesthewomanmean?
(A)
7M:
Canyoutellmewherethecaptain’scabinis?
W.I’monmywaytheremyself,soI’llshowyou.
Q:
Whatisthewomangoingtodo?
(A)
8M:
WherecanIfindsomeinformationonthistypeofengine?
W:
I’mnotsure,let’slookinthecatalogue.
Q:
Whatdoesthewomanmean?
(A)
9M:
It’ssohottodaythatIcan’twork.Iwishtherewereafanintheroom.
W:
SodoI.I’llfallasleepifIdon’tgetoutofthisstuffyroomsoon.
Q:
Whataretheycomplainingabout?
(B)
10W:
CanallofyouonboardspeakEnglish?
M:
Yes,wecan.ButourcaptainspeaksEnglishbetterthaneveryoneofus.
3
4
Q:
Whatdoesthemanmean?
(A)
PartIV.Inthispartyouwillhearthreepassages.Listencarefullyanddotheexercisesaccordingtowhatyouhear:
Passage1:
Shipscanbeclassifiedaccordingtowhattheycarry.Mostaredesignedtocarrycargo,butafewstillcarrypassengers.Cargoshipscanbedividedintotwobasictypes.Onetypecarriesdrycargo,theothercarriesliquidcargo.Sometypesoftheshipsarebulk-carrier,drycargoship,freighter,salvagevessel,reefer,Ro-Rovessel,tanker-containership,containership,fullcontainership,partialcontainership,combinationship,tanker,passengerlinerandsoon.
ExerciseI:
Answerthefollowingquestions:
1.Howaretheshipsclassified?
2.Whataretheshipsusedfor?
3.Howmanybasictypescanthecargoshipsbedividedinto?
Whataretheyusedfor?
ExerciseII:
Listatleasteighttypesoftheshipsaccordingtothepassage.
Passage2:
ThemaninchargeofashipistheMaster.Heisresponsiblefortheship,hercargoandthesafetyofthecrew.Hemustbewellqualifiedandanexperiencednavigator.
Usuallytherearethreepartsonboardtheship.Theyaredeckdepartment,enginedepartmentandcateringdepartment.
Thechiefofficeristhemaster’schiefofficerandheadofthedeckdepartment.Heisassistedbyasecondofficer,athirdofficer,andsometimesafourthofficer.Thedeckdepartmentalsoincludesaboatswainandacarpenter,bothpettyofficers,andanumberofratings.
Thechiefengineerisheadofenginedepartment.Heisassistedbyasecond,third,fourthandsometimesfifthengineer.Anelectricalofficermayalsobecarried.Theengineroompettyofficersarethestorekeeperanddonkey-man.Onoiltankersthereisalsopump-man.Heisalsoapettyofficer.Theengineroomratingsarefiremanandgreasers.Theremayalsobeengineercadets.
Theca
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