新视野大学英语视听说教程第四册Leadin答案全.docx

新视野大学英语视听说教程第四册Leadin答案全.docx

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新视野大学英语视听说教程第四册Leadin答案全

UNIT1

1.Mentionatleastthreereasonspeoplegetangry.Whatcanwedotocontrolouranger?

Peopletendtogetangrywhentreatedunfairly.Specifically,wemayflyintoaragewhenwerealizewewerebetrayedbyaclosefriendortrickedbyaclerkintobuyingsomethingunnecessaryatahighprice.Whenpeopletreatuswithcontempt,ordeliberatelyignoreus,wemaygetannoyed.Also,thesightofinjusticeoftenfillsuswithindignation.Forinstance,whenweseeachildbeingbulliedbyagroupofhoodlums,itmakesourbloodboil.

Toovercomeouranger,wehavetwooptions:

tofightortorun.Inthecaseofasmalloffense,it’sbettertowalkawayandcalmdown.Itisnotnecessarytoexplodeataslightprovocation.However,whenconfrontedwithagrossinjusticeoraseriouscrime,weneedtostandupforourselvesandspeakourmind.Afterventingouranger,wemayfeelbetter.Ifwekeepnegativefeelingstoourselves,wewillprobablyfeelmiserableforalongtimeandregretnottakingaction.

2.Whydopeoplegetdepressed?

Isthereanyconnectionbetweendepressionandbadluck?

Candepressionbeovercome?

Peoplefeelblueforavarietyofreasons.Theyfeeldepressedafterfailinganexamorlosingajob.Theyfeelgriefwhensomeonedeartothem,forexampleaclosefamilymember,passesaway,Sufferingfromaseriousdiseasewithlittlehopeofacompleterecovery,onemayfeeldejected.

Thereseemstobearelationshipbetweendepressionandbadluck.Ifyourspiritsaredownandyoushowit,peoplemightrefrainfromtalkingtoyou.Manygoodopportunitiesmayslipawayasaresult.Andyoumightbeleftwonderingwhyyourluckdoesn’tchange.

Tocheeryourselfup,youcanstudyorwork.Yourmoodmightimproveifyoukeepyourselfbusyandtrytoachievegoals.Andifstayingbusydoesn’thelp,youcanjustwaitforthesadnesstogoaway.Itissaidthattimehealsallwounds.Finally,youmightfindsolaceinrealizing.Yoursituationisnottheworst.Youcanalsochoosetolookatthebrightsideofthingsbecauseeverycloudhasasilverlining.

3.Whatmakesyouhappy?

Areyouhappywhenothersarehappy?

Thegreatestpleasuresseemtocomefromhard-wonachievements.Forexample,ifafteralotofhardwork,youpassedanimportantexamination,finishedabigproject,orgotapromotion,youwouldfeelincrediblyhappy.

Humanhappinessisnotlimitedtoone’sgoodfortuneorsuccess.Ifyouhelpsomeoneinneed,you’llprobablyfeelwonderful.ThisaccountsforthesuccessofProjectHope,throughwhichpeoplevolunteertimeanddonatemoneytohelppeopleinneed.

4.Istherearelationshipbetweenreasonandemotion?

Whichplaysabiggerroleinourlives?

Bothreasonandemotionareimportantinourlives.Althoughtheyareobviouslydifferentfromeachother,theycomplementeachotherjustthesame.Thinkaboutit,itisdifficulttoisolatereasonfromemotionandviceversa.Whenoneisarguing,oneiscombininglogicwithfeelings.Whenaspeakerisadvocatingaprinciple,thefeelingheputsintohisvoicereinforceshisargument.Whenscientistsconductresearches,theymaychooseanareathatisinterestingtothem.Darwinstudiedsciencebecausehehadbeenfascinatedbyplantsandanimalssincehischildhood.

However,insomeareaseitherreasonoremotionmayplayabiggerrole.Sciencestudentsmayneedmorelogicthanemotiontoconductexperiments,whileartstudentstendtorelymoreontheiremotionforcreativity.Withinafamily,peopleusuallycherishtheemotionaltiesbetweenfamilymembers.Emotioncouldbemoreimportantthanreasonwhenfallinginloveortrustingamemberofone’sfamily,whereasreasonplaysanimportantrolewhendecidinghowtoeducateachild.Togetherorseparate,reasonandemotionplaycriticallyimportantrolesinourlives.

UNIT2

1.Inwhatwayscanpeopleimprovetheirappearance?

Somepeoplejustwanttoimprovetheirlooksinsmallways.Theymaygoonadiettomaintainagoodfigure,wemakeuptoimprovetheirappearance,putafacialmaskorskinsmootherontheirfacesduringthemight,havetheirteethstraightened,orhavetheirnailspolished.Someothershaveaface-lifttochangetheirnoseorchin,maketheirsingle-foldeyelidsdoublefolded,andhavetheirskintightenedtosmoothoutwrinklesandcrow’sfeet.Someeveninjectbotoxtoremovewrinkles.Moredrastically,somepeoplemayhaveliposuctiontoremovefat.

2.Whydosomepeoplewanttoimprovetheirappearance?

Aloveofbeautyispartofhumannature.Peopleliketoseebeautifulscenery,flowers,andanimals.Itisnotstrangethattheyalsowanttolookatgood-lookinghumansandimprovethewaytheylookthemselves.Withimprovedfeatures,onemayfindabetterjob,attractamoredesirablespouse,andgainfasterpromotion.

Someoccupationsattachgreatimportancetoappearance.Mostactors,anchorpersons,andfashionmodelscanberecognizedbytheirlooks.

Itissometimesarguedthatbylookinggood,onetendstofeelself-confident.Withconfidence,successismorelikelytofollowinanyundertaking.

3.Whatdisadvantagesarethereinplasticsurgery?

Weshouldnotattempttochangeourphysicalappearancebycosmeticmeans.Suchchangesmaybringunexpecteddisastersinthefuture.

Somebeautifyingmethods,ifnotproperlyapplied,havedangeroussideeffects.Peoplewhoreceivebotoxinjectionstoremovewrinklesmayeventuallyruintheirskin.Somesurgicaloperationsthatareintendedtomakesingle-foldeyelidsdoublefoldactuallymakethemmulti-folded-notwhatthepatienthadinmind.

4.Howcanonestrikeabalancebetweenlowcostsandhighfashioninclothes、

Peoplewhodon’thavemuchmoneycanalsomakethemselveslookfashionable.Therearemanywaystobuyfashionableclotheswithoutspendingmuchmoney.Forexample,peoplecanbuyclothesthatareonsaleorsoldindiscountstores.It’ssmarttobuywinterclothesattheendofthewinter.Clothesarecheaperattheendofaseasonandcanbestoreduntilthenextseason.Somepeoplearegoodtailors,andtheycanaltertheirclothestomakethemfashionable.Theymayevencreateoriginalstyles.

UNIT3

1.Brieflydescribesomenatural.SearchtheInternetforinformationbeforecomingtoclass.

Therearemanykindsofnaturaldisasterssuchasearthquake,flood,drought,forestfire,tsunami,snowstorm,blizzard,hailstorm,hurricane,typhoon,tornado,landslide,andvolcaniceruption.

AnearthquakeisasuddenchangeormovementintheEarth’scrust,causingamovingandshakingoftheground.Afloodcanbecausedbyexcessiverainfallorquickmeltingofsnow.Whenthewateroverflowsariver’sbanks,thenearbylow-lyinglandisflooded.Whenthereisnorainforalongperiodoftime,thereisadrought:

cropsfailandpeoplemaydieofthirst.Aforestfiremaybecausedbylightningorhumannegligence–forexample,aburningcigarettebutt-orarson.Itmaydestroylargeforests.Atsunamiisagiantwavethatrollsontotheshore.Itcanbecausedbyanunderseaearthquake,volcaniceruptionorlandslide.Asnowstormbecomesablizzardwhenthewindblowshandandvisibilitydecreases.

2.Whatdamagecouldanearthquakecauseandwhatcanhumanbeingsdotodealwithit?

Anearthquakedamagespoorly-builtstructures.Apowerfulearthquakecandestroyevenwell-constructedbuildings.Whenthebuildingsfalldown,humanlivesandpropertyareruined.Aftershocksmaycauseadditionalcasualties.Aheavydeathtoll,ifnotdealtwithpromptly,maybefollowedbyanepidemic.

Itisdifficulttopredictearthquake,sowecanonlytakepreventivemeasures.Forexample,inanareapronetoearthquake,weshouldconstructstrong,quake-proofbuildings.Weshouldalsoprepareemergencykitsthatincludeatorch,first-aidmedicinesandbandages.Weshouldmoveoutofdangerousquakezones.Whenanearthquakestrikeswhileweareinabuilding,weshouldmoveoutside.Ifthereisnotimetoleave,wecanhideunderastrongtableorbadtoavoidbeinghurtbyfailingobjects.Don’tforgettoturnofftheelectricityandgastoavoidaccidents.

3.Whatdamagecanafloodbringaboutandwhatcanwedotodealwithit?

Afloodcaninundateavastarea,destroyingcropsandbuildings.Ifpeopledonotescapeingoodtime,theyaredrowned.Followingtheflood,thereiscropfailure,whichmayleadtowidespreadfamine.Ifmanypeopledieintheflooding,theirbodies,ifnottreatedquickly,waygiverisetoanepidemic.

Thankstotechnologicalprogress,wecannowdealwithfloodsmoresuccessfully.Wecanbuilddykestopreventriversfromoverflowingtheirbanks.Wecanbuilddamsandreservoirstoregulatethewaterleveltopreventafloodoradrought.Whenthereistoomuchsiltintheriver,wecandredgeit.Deforestationcanbeprohibitedintheupper-streamareas.Treesandgrasshelptokeepsoilinplaceanddecreasesiltintheriver.Whenfloodingthreatens,thepopulationoflowlyingareaswillbeevacuatedaccordingtoplan.

4.Canweovercomenaturaldisasters?

Naturaldisastersareoftensopowerfulthattheycausewidespreaddestruction.Inthefaceoftheragingelements,manmayseemhelpless.

However,thereisalothumanbeingcandotoreducethedangers.Forexample,althoughtheforceofanearthquakeisintimidating,wecanconstructquake-proofbuildings,andavoiddangerousquakezones.Topreventflooding,wehavebuilddykes,damsandreservoirs,andmanypotentialfloodshavebeenprevented.Thedamsandreservoirscanalsobeusedtofightadroughtbyallowingtheirrigationofdryfields.Asalastresort,wecanchoosetoevacuateadisaster-pronearea.Infact,humanbeingshaveachievedremarkablesuccessinovercomingnaturaldisasters.

Unit4

1.Inanenterpriseorins