Unit 3ships in the desert课文解释.docx
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Unit 3ships in the desert课文解释.docx
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Unit3shipsinthedesert课文解释
Unit3:
ShipsintheDesert
byAlGor
I.AdditionalBackgroundKnowledge
1.AlGoretheauthor
2.CleanAirAct
3.TheAralSea
II.IntroductiontothePassage
1.Typeofliterature:
apieceofexposition
2.Thepurposeofapieceofexposition:
---toinformorexplain
3.Waysofdevelopingthethesisofapieceofexposition:
---comparison,contrast,analogy,identification,illustration,analysis,definition,etc.
4.Thecentralthoughtorthesis
III.EffectiveWritingSkills
1.makingeffectiveuseofspecificverbs
2.discussingthesolutiontoenvironmentalproblemsfromapolitician’spointofview,thatis,relatingthesolutiontoenvironmentaldestructiontothesolutiontoarmraces
IV.RhetoricalDevices
1.understatement
2.metaphor
V.SpecialDifficulties
1.analyzingthestructureofsomelongandcomplicatedsentences
2.understandingthescientificmattersconnectedwithecologicalenvironment
3.translatinglongandcomplicatedsentences
4.masteringtherulesofwordformation
VI.Questions
1.Howhashumancivilizationnowbecomethedominantcauseofchangeintheglobalenvironment?
2.Whatchangesintheglobalenvironmentpresentastrategicthreattohumancivilization?
Howshouldwefacethischallengeandsolvetheproblem?
3.Whatsolutionsdoesthewriterputforwardtoourecologicalproblems?
DetailedTeachingNotes:
Backgroundknowledge
Abouttheauthor:
AlGorewasbornin1948inWashingtonD.C.,U.S.HehasbeenaSenator(1984-1992)representingtheStateofTennessee,andU.S.Vice-President(1992-2000)underPresidentBillClinton.HeranforthePresidencyagainstGeorgeW.BushJr.butthelatterwonthecloselytiedelectionandhasbecomethe43rdAmericanPresident.ThetextistakenfromAlGore’sbookEarthintheBalance.
TheAralSea:
TheAralSea,locatedinUzbekistanandKazakhstan(bothcountrieswerepartoftheformerSovietUnion),ishistoricallyasalinelake.Itisinthecentreofalarge,flatdesertbasin.TheAralSeaisaprimeexampleofadynamicenvironment.In1960itwastheworld’sfourthlargestlake,thesizeoftheentiretyofSouthernCalifornia(at26,250squaremiles,approximatelytwohundredtimeslargerthantheSaltonSea).
America’sGreatLakes:
America’sGreatLakesrefertothegroupoffivefreshwaterlakes,centralNorthAmerica,betweentheUnitedStatesandCanada,largestbodyoffreshwaterintheworld.Fromwesttoeast,theyareLakeSuperior,LakeMichigan,LakeHuron,LakeErie,andLakeOntario.HOMEScanhelprememberthenamesofthefivelakes.HstandsforHuron,OforOntario,MforMichigan,EforErieandSforSuperior.
LakeSuperior:
LakeSuperiorisoneofthecleanestlakesintheworldbecauseofitstemperature,size,andthelackofpeoplelivingaroundit.LakeSuperior,withasurfaceareaof31,700squaremiles,isthelargestfreshwaterlakeintheworldbysurfacearea.Thisonebodyofwatercontains10%ofallthefreshwaterinallthelakesandriversintheworld.TheamountoftimeneededforthewaterinLakeSuperiortobecompletelyreplacedis191years.Thelakeisknownforitscoldtemperatures.AlmostallofLakeSuperior’swaterstaysat39degreesFahrenheit(4degreesCelsius)allyear.LakeSuperiorisoftenreferredtoas“crystalclear,”withvisibilityof50feetormore.
Antarctica:
Antarcticaisicycold.TransantarcticMountainsdivideitintotheEastAntarcticandWestAntarcticsubcontinents.Chinahassetuptwoscientificresearchstationsthere:
ZhongshanStationintheEastandGreatWallintheWest.
CleanAirAct:
AmericanCongresspassedtheCleanAirActin1970,whichisoneoftheoldestenvironmentallawsoftheU.S.aswellasthemostfar-reaching,thecostliest,andthemostcontroversial.
Rhetoricaldevices:
understatement:
theprospectsofagoodcatchlookedbleak
alliteration:
fastpastureforfast-foodbeef
metaphor:
cloak,ghosts
rhetoricalquestion:
But,withoutevenconsideringthatthreat,shouldn’titstartleusthatwehavenowputthesecloudsintheeveningskywhichglistenwithaspectrallight?
Orhaveoureyesadjustedsocompletelytothebrightlightsofcivilizationthatwecan’tseethesecloudsforwhattheyare—aphysicalmanifestationoftheviolentcollisionbetweenhumancivilizationandtheearth?
metonymy:
concrete
Preview:
What’sthemeaningofthetitle?
Whatdoyouexpecttohavewhenyoureadthetitle?
Whatkindofwritingisthetext?
Whatisthetheme?
Whatdoestheauthortrytotellusthroughhisarticle?
Howistheexpositiondeveloped?
Typicalcontentofanexposition:
Part1Aproblemispointedout(definition,phenomena,etc)
Part2Theproblemisanalyzed(causes,classification,advantages/disadvantages,etc)
Part3Howtosolveit(suggestion,etc.)
Howdoesanessay/featurearticlebegin?
What’stheeffectthewriterproduceshere?
Detailedstudy
Paragraph1
1.capableofprocessingafifty-toncatchonagoodday:
havingtheabilityofcleaningandpreparingformarketingorcanningfifty-tonsoffishonaproductiveday.
catch:
theamountofsomethingcaught;inthesentenceitreferstotheamountoffishcaught
e.g.Theboatbroughtbackabigcatchoffish.
bow:
thefrontpartofashipvsstern
2.theprospectsofagoodcatchlookedbleak:
agoodcatchdidnotlookpromising/hopeful.
Thisisobliviouslyanunderstatementbecausewithsandallaroundtherewasnochanceofcatchingfish,tosaynothingofcatchingalotoffish.
bleak:
a)Ifasituationisbleak,itisbad,andseemsunlikelytoimprove.
e.g.Hisfuturelookedbleak.
bleakprospect;thebleaknessofthepostwaryears
b)Ifaplaceisbleak,itlookscold,bare,andunattractive
e.g.thebleakcoastline
c)Whentheweatherisbleak,itiscold,dull,andunpleasant
e.g.thebleakwinters
d)Ifsomeonelooksorsoundsbleak,theyseemdepressed,hopeless,orunfriendly
e.g.hisbleakfeatures
bleaklyadv.
e.g.Hestaredbleaklyahead.
“What,”heaskedbleakly,“arethese?
”
3.waveslappingagainstthesideoftheship:
wavestouchingthesideoftheshipgentlyandmakesasoftsound
lapcanalsobeusedasanoun.
e.g.Heryoungestchildwasasleepinherlap.
Heplacedthebabyonthewoman’slap.
Inarace,whenyousaythatacompetitorhascompletedalapwhenheorshehasgoneroundthecourserace.
4.asfarasIcouldseeinalldirection:
thatextendedasfarastheeyecouldsee:
thatstretchedallthewaytothehorizon:
thatextendedtothefaroffplacewheretheskymeettheearth
5.comparable:
somethingthatiscomparabletosomethingelse
dock:
v.anchor,moor
Howmanyimagesofenvironmentaldestructionarepresentedhereinpara1?
Paragraph2.
6.Mysearchfor…theseimagesofdestruction:
ItraveledaroundtheworldbecauseIwantedtosee,checkandstudycasesofsuchdestructioninordertofindoutthebasiccausesbehindtheenvironmentalcrisis.
imagesofdestruction:
typicalexamplesofdestruction
7.thesunglaringatmidnightthroughaholeinthesky:
thesunshiningatmidnightthroughtheozonedepletion
8.aboutthetunnelhewasdiggingthroughtime:
aboutthetunnelhewasdrillingforsamplesfromtheglacier,whichestimatesthetime.Thedeeperhedrilled,thefartherthesampleintime;inotherwords,thesurfaceoftheglacierisanindicationofrecenttimewhilethedeeperpartoftheglaciertellsofsituationofamuchmoreremoteperiod.
9.Slippinghisparkabacktorevealabadlyburnedfacethatwascrackedandpeeling:
Pushinghisparkaback,herevealedabadlyburnedfacebecauseofoverexposuretodirectsunlight;onthefacetherewerelinesthatweresplitopenandpiecesofskinwerecomingdown.
parka:
n.waterproofjacketwithahoodattached(aswornforskiing,mountainclimbing,etc.)
10.Hemovedhisfingerbackintimetotheiceoftwodecadesago:
Followingthelayersoficeinthecoresample,hisfingercametotheplacewherethelayeroficewasformed20yearsago.
11.twocontinents:
SouthAmericaandAntarctica
12.emission:
theamountofpollutantsdischarged
13.leastaccessibleplaceonearth:
theplacewhichisthemostdifficulttogettointheworld
Paragraph3
14.Industrymeantcoal:
thedevelopmentofindustrymeanttheuseoflargeamountofcoalasfueltogeneratepower.
15.bringingrisinglevelsofcarbondioxide:
makingtheamountofcarbondioxideintheatmospheregrow
16.withitsabilitytotrapmoreheat…warmtheearth:
heatcannoteasilygetthroughcarbondioxideandgointothehighaltitudesocarbondioxideplaystheroleofacover,keepingtheheatneartheearth.
17.upwindfromtheicerunaway…thatinexorablechange:
upwind:
inthedirectionfromwhichthewindisblowingorusuallyblows
18.icerunway:
runwayisastripofpavedgroundforusebyairplanesintakingoffandlanding,andhereintheSouthPoletherunwayisastripoficeground
19.topreventthemetalpartsfromfreeze-lockingtogether:
tostopthemetalpartsfrombeingfrozensolid
20.monitortheair:
watchorcheckontheair
tochartthecourse:
toshowtheonwardmovementonanoutlinemap
21.inexorable:
thatcannotbechanged;unalterable
e.g.theinexorableriseinthecostofliving
Hisowncareercontinuesitsinexorableascent
他事业的上升势头锐不可当。
theinexorableriseofcrime
阻遏不了的犯罪趋势
22.graph:
usuallyamathematicaldiagram
Paragraphs4&5
23.pitch:
pitchatentmeansputupatent
e.g.Theypitchedtheirtentnearthestream.
Theypitchedtheirtentattheedgeofthefield.
24.slab:
Aslabofsomethingisathickflatpieceofit.
e.g.aslabofrock;aconcreteslab;aslabofcheese
25.frigid:
cold;icy;freezing
e.g.frigidweather
26.aheartybr
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- Unit 3ships in the desert课文解释 ships desert 课文 解释