听力教程第三册答案UNIT2.docx

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.