听力教程第三册答案UNIT2.docx
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听力教程第三册答案UNIT2.docx
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听力教程第三册答案UNIT2
UNIT2
SectionOneTacticsforlistening
Part1SportDictation
MyMother
Mymotherwasanefficient
(1)taskmasterwhocooked,cleanedandshoppedforninepeople
(2)onadailybasis.Shewasadisciplinarian*whowould(3)makeussevenkidswalkupanddownthestairsahundredtimesifweclumpedlike(4)fieldhandsto-dinner.Shealsoenlistedustohelpherintheday's(5)chores.
Mymotherbelievedthateachofherchildrenhadaspecial(6)knackthatmadehimorherinvaluableoncertain(7)missions.MybrotherMike,forexample,wasbelievedtohaveespecially(8)keeneyesight.Hewashoistedupasahuman(9)telescopewheneversheneededtoseesomething(10)faraway.Johnwastheclimberwhenakite(11)gotcaught.Myownjobwasnavigatorforour(12)giganticoldChrysler.
Butmymother's(13)abilitytogetworkdonewellwasonly(14)oneside.Shealsohadan(15)imaginationthatcarriedherindifferentdirections,that(16)allowedhertotranscendhereverydaylife.Shedidnot(17)believeinmagicasportrayedonastage,but(18)valuedinsteadthesoundofametalbucketbeing(19)filledbyahose,orthepersistenceofadandelionatthe(20)edgeofawoodpile.
Part2ListeningforGist
Forhundredsofyearsmanhasbeenfascinatedbytheideaofflying.OneofthefirstmentoproducedesignsforaircraftwasLeonardodaVinci,anItalianartistwholivedinthefifteenthcentury.However,itwasnotuntiltheeighteenthcenturythatpeoplebegantofly,orperhapsitwouldbebettertosayfloat,acrossthecountrysideinballoons.Thefirsthot-airballoonwasmadeinApril1783bytheMontgolfierbrothersinFrance.
Inthefollowingyearsmanyflightsweremadebyballoon.Someoftheflightswereforpleasureandotherswerefordeliveringmailandformilitarypurposes,suchasobservationandevenbombing.However,inthelatenineteenthcentury,airshipssupersededballoonsasaformoftransport.
Airshipscameafterballoons.ThefirstpoweredandmannedflightwasmadebyaFrenchman,Giffard,inSeptember1852.Hisairship,poweredbysteam,traveledtwenty-sevenkilometersfromParistoTrappesataspeedofeightkilometersperhour.Howeverthedaysoftheairshipwerenumberedastheaeroplanebecameincreasinglysafeandpopular.
Exercise
Directions:
Listentothepassageandwritedownthegistandthekeywordsthathelpyoudecide.
Thispassageisabouttheearlyhistoryofflying.
Thekeywordsaredesigns,anItalianartist,fifteenthcentury,eighteenthcentury,fly,float,balloons,hot-airballoon,April1783,airships,September1852,aeroplane.
SectionTwoListeningComprehension
Part1Dialogue
BuyingaCar
A:
Goodmorning,canIhelpyou?
B:
Yes,I'minterestedinbuyingacar.
A:
Haveyouanythinginmind?
B:
Notreally.
A:
Whatpriceareyouthinkingof?
B:
Notmorethan£13,500.
A:
Let'sseenow...OvertherebetweentheLanciaandtheVolvoisaMini.Itcosts£12,830andischeaptorun:
Itdoes38milespergallon.Orthere'stheCitroen,behindtheMini.Itcosts£12,070andisevencheapertorunthantheMini:
Itdoes45milespergallon.It'snotveryfastthough.Itonlydoes69milesperhour.
B:
No,IthinktheMiniandtheCitroenaretoosmall.I'vegotthreechildren.Isn'tthereanythingbiggeratthatprice?
A:
Well,there'stheToyotaoverthere,totheleftofthePeugeot.It'sverycomfortableandcosts£13,040.It'scheaptoruntoo,anditalsohasabuilt-inradio.Orthere'stheRenaultatthebackoftheshowroom,behindthePeugeot.Itcostsalittlemore,£13,240,butitischeapertorun.Itdoes40milespergallonandtheToyotaonlydoes36milespergallon.
B:
WhataboutthatVolkswagenoverthere,infrontoftheToyota?
A:
Thatcostsalittlemorethan£13,500butit'saveryreliablecar.It'smoreexpensivetorunthantheothers:
Itdoes34milespergallon,butit'sfaster.Itstopspeedis90milesperhour.TheToyota'sis80milesperhourandtheRenault'sis82milesperhour.
B:
Howmuchdoesitcost?
A:
£13,630andthatincludesa5-yearguarantee.
B:
AndtheFiatnexttotheVolkswagen?
A:
Againthat'smorethan£13,500,butit'scheaperthantheVolkswagen.Itcosts£13,550.
B:
Hmmwell,I'llhavetothinkaboutitandstudythesepamphlets.HowmuchisthatPeugeotincidentally,behindtheLancia?
A:
Oh,that'sexpensive.Itcosts£15,190.
B:
Yes,thatisabittoomuch.Thankyouverymuchforyourhelp.Goodbye.
R
£13.240
40m/g
82m/h
T
£13,040
36m/g
80m/h
P
£15,190
C
£12,070
45m/g
69m/h
F
£13,550
VW
£13,630
34m/g
90m/h
L
£16,240
M
£12,830
38m/g
V
£15,850
Part2Passage
TheWrights’Story
OnthemorningofDecember17,1903,between10:
30a.m.andnoon,fourflightsweremade,twobyOrvilleWrightandtwobyWilburWright.
Underthedirectionoftheoperatoritclimbedupwardonaninclinedcoursetillaheightof8or10feetfromthegroundwasreached.
IntotheteethofaDecembergalethe"Flyer"madeitswayforwardwithaspeedof10milesanhouroverthegroundand30to35milesanhourthroughtheair.
Theheightchosenwassufficientformaneuveringinsogustyawindandwithnopreviousacquaintancewiththeconductofthemachineanditscontrollingmechanisms.
5.Inattemptingtobringthemachinedowntothedesiredheight,theoperatorturnedtheruddertoofar,andthemachineturneddownwardmorequicklythanhadbeenexpected.
OnthemorningofDecember17,1903,between10:
30a.m.andnoon,fourflightsweremade,twobyOrvilleWrightandtwobyWilburWright.Thestartswereallmadefromapointonthelevelsandabout200feetwestofourcamp,whichislocatedaquarterofamilenorthoftheKillDevilsandhill,inDareCounty,NorthCarolina.
Thewindatthetimeoftheflightshadavelocity*of27milesanhourat10a.m.,and24milesanhouratnoon,asrecordedbytheanemometer*attheKittyHawkWeatherBureauStation.
Theflightsweredirectlyagainstthewind.Eachtimethemachinestartedfromthelevelgroundbyitsownpoweralonewithnoassistancefromgravityoranyothersourcewhatever.
Afterarunofabout40feetalongamonorail*track,whichheldthemachine8inches(20centimeters)fromtheground,itrosefromthetrackandunderthedirectionoftheoperatorclimbedupwardonaninclinedcoursetillaheightof8or10feetfromthegroundwasreached,afterwhichthecoursewaskeptasnearhorizontalasthewindgustsandthelimitedskilloftheoperatorwouldpermit.
IntotheteethofaDecembergalethe"Flyer"madeitswayforwardwithaspeedof10milesanhouroverthegroundand30to35milesanhourthroughtheair.
Ithadpreviouslybeendecidedthatforreasonsofpersonalsafetythesefirsttrialsshouldbemadeasclosetothegroundaspossible.Theheightchosenwassufficientformaneuvering*insogustyawindandwithnopreviousacquaintancewiththeconductofthemachineanditscontrollingmechanisms.Consequentlythefirstflightwasshort.
Thesucceedingflightsrapidlyincreasedinlengthandatthefourthtrialaflightof59secondswasmade,inwhichtimethemachineflewalittlemorethanhalfamilethroughtheairandadistanceof852feetovertheground.
Thelandingwasduetoaslighterrorofjudgmentonthepartoftheaviator.Afterpassingoveralittlehummock*ofsand,inattemptingtobringthemachinedowntothedesiredheight,theoperatorturnedtherudder*toofar,andthemachineturneddownwardmorequicklythanhadbeenexpected.Thereversemovementoftherudderwasafractionofasecondtoolatetopreventthemachinefromtouchingthegroundandthusendingtheflight.
Aswinterwasalreadywellsetin,weshouldhavepostponedthetrialstoamorefavorableseason,butweweredeterminedtoknowwhetherthemachinepossessedsufficientpowertofly,sufficientstrengthtowithstandtheshocksoflandingsandsufficientcapacityofcontroltomakeflightsafeinboisterous*winds,aswellasincalmair.
ExerciseAPre-listeningQuestion
OrvilleWright(1871-1948),Americanaeronauticalengineer,famousforhisroleinthefirstcontrolled,poweredflightinaheavier-than-airmachineandforhisparticipationinthedesignoftheaircraft'scontrolsystem.Wrightworkedcloselywithhisbrother,WilburWright(1867-1912),Americanaeronauticalengineer,indesigningandflyingtheWrightairplane.
Duringtheyears1900,1901,1902,and1903,thetwobrothersdevelopedthefirsteffectiveairplane.AtKittyHawk,NorthCarolina,onDecember17,1903,OrvilleWrightmadethefirstsuccessfulflightofapiloted,heavier-than-air,self-propelledcraft,calledtheFlyer.ThethirdFlyer,whichtheWrightsconstructedin1905,wastheworld'sfirstfullypracticalairplane.Itcouldbank,turn,circle,makefigureeights,andremainintheairforaslongasthefuellasted,uptohalfanhouronoccasion.
ExerciseBSentenceDictation
Directions:
Listentosomesentencesandwritethemdown.Youwillheareachsentencethreetimes.
ExerciseCDetailedListening
Directions:
Listentothepassageandanswerthefollowingquestions.
FourflightsweremadeonthemorningofDecember17,1903,twobyOrvilleWrightandtwobyWilburWright.
Thewindatthetimeoftheflightshadavelocityof27milesanhourat10a.m.,and24milesanhouratnoon,asrecordedbytheanemometerattheKittyHawkWeatherBureauStation.
Eachtimethemachinestartedfromthelevelgroundbyitsownpoweralonewithnoassistancefromgravityoranyothersourcewhatever.
Themachineranabout40feetalongamonorailtrackbeforeitrosefromthetrack.
Thesefirsttrialsshouldbemadeasclosetothegroundaspossibleforreasonsofpersonalsafety.
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