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1、UNIT2SectionOneTacticsflisteningPart1SptDictationMyMotherMymotherwasanefficient(1)taskmasterwhocookedcleanedshoppedfninepeople(2)onadailybasis.Shewasadisciplinarianwhowould(3)makeussevenkidswalkupdownthestairsahundredtim

2、esifweclumpedlike(4)fieldhstodinner.Shealsoenlistedustohelpherinthedays(5)ches.Mymotherbelievedthateachofherchildrenhadaspecial(6)knackthatmadehimherinvaluableoncertain(7)missions.MybrotherMikefexamplewasbelievedtohavees

3、pecially(8)keeneyesight.Hewashoistedupasahuman(9)telescopewheneversheneededtoseesomething(10)faraway.Johnwastheclimberwhenakite(11)gotcaught.Myownjobwasnavigatfour(12)giganticoldChrysler.Butmymothers(13)abilitytogetwkdon

4、ewellwasonly(14)oneside.Shealsohadan(15)imaginationthatcarriedherindifferentdirections.That(16)allowedhertotranscendhereverydaylife.Shedidnot(17)believeinmagicasptrayedonastagebut(18)valuedinsteadthesoundofametalbucketbe

5、ing(19)filledbyahosethepersistenceofadelionatthe(20)edgeofawoodpile.Part2ListeningfGistFhundredsofyearsmanhasbeenfinatedbytheideaofflying.OneofthefirstmentoproducedesignsfaircraftwasLeonardodaVincianItalianartistwholived

6、inthefifteenthcentury.Howeveritwasnotuntiltheeighteenthcenturythatpeoplebegantoflyperhapsitwouldbebettertosayfloatacrossthecountrysideinballoons.ThefirsthotairballoonwasmadeinApril1783bytheMontgolfierbrothersinFrance.Int

7、hefollowingyearsmanyflightsweremadebyballoon.Someoftheflightswerefpleasureotherswerefdeliveringmailfmilitarypurposessuchasobservationevenbombing.Howeverinthelatenieenthcenturyairshipssupersededballoonsasafmoftranspt.Airs

8、hipscameafterballoons.ThefirstpoweredmannedflightwasmadebyaFrenchmanGiffardinSeptember1852.HisairshippoweredbysteamtraveledtwentysevenkilometersfromParistoTrappesataspeedofeightkilometersperhour.Howeverthedaysoftheairshi

9、pwerenumberedastheaeroplanebecameincreasinglysafepopular.ExerciseDirections:Listentothepassagewritedownthegistthekeywdsthathelpyoudecide.1.Thispassageisabouttheearlyhistyofflying.2.ThekeywdsaredesignsanItalianartistfifte

10、enthcenturyeighteenthcenturyflyfloatballoonshotairballoonApril1783airshipsSeptember1852aeroplane.SectionTwoListeningComprehensionPart1DialogueBuyingaCarPart2PassageTheWrights’StyOnthemningofDecember171903between10:30a.m.

11、noonfourflightsweremadetwobyvilleWrighttwobyWilburWright.Thestartswereallmadefromapointonthelevelsabout200feetwestofourcampwhichislocatedaquarterofamilenthoftheKillDevilshillinDareCountyNthCarolina.Thewindatthetimeofthef

12、lightshadavelocityof27milesanhourat10a.m.24milesanhouratnoonasrecdedbytheanemometerattheKittyHawkWeatherBureauStation.Theflightsweredirectlyagainstthewind.Eachtimethemachinestartedfromthelevelgroundbyitsownpoweralonewith

13、noassistancefromgravityanyothersourcewhatever.Afterarunofabout40feetalongamonailtrackwhichheldthemachine8inches(20centimeters)fromthegrounditrosefromthetrackunderthedirectionoftheoperatclimbedupwardonaninclinedcoursetill

14、aheightof810feetfromthegroundwasreachedafterwhichthecoursewaskeptasnearhizontalasthewindguststhelimitedskilloftheoperatwouldpermit.IntotheteethofaDecembergale（逆風(fēng)）（逆風(fēng)）the“Flyer“madeitswayfwardwithaspeedof10milesanhourover

15、theground30to35milesanhourthroughtheair.Ithadpreviouslybeendecidedthatfreasonsofpersonalsafetythesefirsttrialsshouldbemadeasclosetothegroundaspossible.Theheightchosenwassufficientfmaneuveringinsogustyawindwithnopreviousa

16、cquaintancewiththeconductofthemachineitscontrollingmechanisms.Consequentlythefirstflightwassht.Thesucceedingflightsrapidlyincreasedinlength，atthefourthtrialaflightof59secondswasmadeinwhichtimethemachineflewalittlemethanh

17、alfamilethroughtheairadistanceof852feetovertheground.Thelingwasduetoaslighterrofjudgmentonthepartoftheaviat.Afterpassingoveralittlehummockofsinattemptingtobringthemachinedowntothedesiredheighttheoperatturnedtheruddertoof

18、arthemachineturneddownwardmequicklythanhadbeenexpected.Thereversemovementoftherudderwasafractionofasecond(轉(zhuǎn)瞬間，頃刻轉(zhuǎn)瞬間，頃刻)toolatetopreventthemachinefromtouchingthegroundthusendingtheflight.Aswinterwasalreadywellsetinweshoul

19、dhavepostponedthetrialstoamefavableseasonbutweweredeterminedtoknowwhetherthemachinepossessedsufficientpowertoflysufficientstrengthtowithsttheshocksoflingssufficientcapacityofcontroltomakeflightsafeinboisterouswindsaswell

20、asincalmair.ExerciseAPrelisteningQuestionvilleWright(18711948)Americanaeronauticalengineerfamousfhisroleinthefirstcontrolledpoweredflightinaheavierthanairmachinefhisparticipationinthedesignoftheaircraftscontrolsystem.Wri

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