懂你英语L6 Unit 3 2.docx
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懂你英语L6 Unit 3 2.docx
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懂你英语L6Unit32
Unit3-1listening偷窃
Theywerelockedupthesafeandtheonlywaytoopenthesafewaswithan8-digitsaccesscode.Whoevergotinthesafe,musthavebackcode.
Asfarasheknew,nobodyelsehadit,orhaveeveraskedtouseittogetsomethingfromthesafe.
Only2peopleinthecompanywereauthorizedtohavethecode.Hehadthecodeofcourse,andsodidhisassistant,Sylvia.TherewasnoreasonforSalviatotakethedocuments,sohecouldn’timaginethatitwasher.Thatwouldmakesenseandshewascompletelytrustworthy.
Sosomebodyelsemusthavethecodeandstolenthedocument.
Shehadanotoriouslybadmemorysoshekeptalotofnotes.
ButSylviawasn’tthatcarelessorirresponsible.
Shehadprobablystoredthecodesomewhereonhercomputerandthetheftwasabletogetitfromthere.
Butwhocouldhehavebeen.Suddenly,herealizedthattherewasanewITguyintheoffice.Hemaintainedthecompany’scomputernetworkandprovidetechnicalsupportforthestaffs.Perhapshewastheguilthewanted.Ifanyonecouldhavedoneit,hecertainlyhadtheskills.HewasasecurityexpertandhehadhelpedSylviastoredsomethingonhercomputerlastweek.
Thenjohnrealizedthatnobodyhaddoneaproperbackgroundcheckontheguy.Oneofotherengineersinthecompanyhadrecommendedhimandheseemednice.Theyhadbeeninahurrytohiresomeoneforthepositionsotheydidn’tcheckthisbackgroundverycarefully.Suddenly,hehadabadfeeling.immediately,heusedhissmartphonetocheckthecompany’sbankaccounts.Tohishorror,hefoundthatalargeamountofmoneywasmissingfromoneofhisaccounts.Therehadalargewithdrawearlierthatmorning,morethan75thousanddollars.Hethendiscoveredthatthemoneyhadbeenwiredtoanaccountinanothercountry.SonotonlydidtheITguygettheaccesscodeforthesafe,buthealsogotthelodgeinformationfromthebank.Thiswasadisaster.Johnimmediatelycalledthepoliceandreportedtheincident.Healsocalledthebanktoseeiftheycouldstopthetransaction.Unfortunately,theysaiditwastoolate.thetransactionhadgonethrough.Justthen,johngotanemailwiththesubjectline,fromtheITguy.Itshowedsmileyfaceandsaidthankyouforbeingsostupid.Don’twasteyourtimetryingtofindme.I’veleftthecountryandwillneverreturn.BethankfulthatIdidn’teverythingintheaccount.Thisshouldagoodlessonforyou.Itwassigned,yourITguy.
Unit3-1dialogue评论和建议
Well,whatdidyouthinkofmypresentations.
Didyouwantmetobefrank?
Iknowweworkveryhardonit.
Yes,givemetoitstraight.Ihavemyownopiniontoo.ButIappreciateyourcommentsandsuggestions.
Yousaidyouhadyourownopinionaboutit.sohowdoyouthinkofthem.
Ithoughtitwentokatfirst.ButIcouldfeelthereweresomebadtransitions(过渡).
IthinkIspenttoomuchtimeonsomeslidesanddidn’texpressthemwell.
Iagreeonmostpoints.Buttome,itwasflat.5minutesintoitIhadahardtimepayingattention.
Flat?
Doyoumeanmyvoice?
Yes,that’spartofit.thereisverypassionalmostlikeyouwerereadingit.I’msureyoucandobetter.
Doyouhaveanysuggestions?
First,letmesayIliketheslidesthemselves.Thedesignswereniceandeasytoread.Butonethingyoudidn’tdowasengagewiththeaudience.Youfocusonyourslidesanddidn’taddressyouraudience.
Oh,IwastryingtobutIguessIwastoonervous.Ididn’twanttoforgetanything.
Youhaveagreatsmile.Youneedtoshowthatsmileandexpressionswhenyoupresent.Makeeyecontact.
Whenyoupresent,Inoticeyoualwaysdothatandyourpausebetweenideas.Butitseemssoeasyforyou.
Forme,Ilookatthefacesintheaudience.Iwatchtheirexpressions.Ireallytrytocommunicatewiththem.OnceIdothat,itcomesnaturally,becauseitbecomesrealcommunication.
Youseemtoenjoyit.
Well,I’malwaysnervoustoobeforeIgetstarted.ButonceIcontactwiththeaudience,I’mok.
Socontactingwiththeaudienceisthekey.Focusonthemandnotme,right?
Yes,wellput.Infact,ifyoudothat,youwillhavetoadjustyourpresentation.Ithastoflowlikeinareadconversation.Wehavetorespondtoeachother.Andthepausesaresothatthepresentationcanbreathe.
Hmm,itseemssoobvious.ButI’veneverthoughtofitlikethat.That’sagreatadvice.Iwishwehadtalkedbeforemypresentation.
Ifwehad,youmaynothavebeenopenlikeyouarenow.anyway,I’msureyournextpresentationwillimprove.Ittakespracticelikeanything.Don’tbetoohardonyourself.
No,Iwon’t.ButnexttimeIwilldobetterandIhopeyouthere.
OK,well,let’sgetbacktowork.
Unit3-1Reading化石能源和哲学悖论
Depletionoffossilfuels
Anumberofscientistsareemphasizingthetremendouschallengesthatwillsoonbefacedwhenthedepletionoffossilfuelsuppliescoincideswith(恰逢)analarmingincreaseintheglobalpopulation.Theyhighlightagriculturewhichisheavilydependentnotonlyongasolinetofuelmachinery,butalsoonthepetrochemicalsnecessarytomanufacturesynthetic(合成的)fertilizersandpesticides.Withoutthesepetrochemicals,cropyieldswouldbeonlyafractionofwhattheyaretoday.Toassumethatanabundantsourceofrenewableenergywilladdressthischallengeistoignorethevitalnon-fuelusesofpetrochemicals.
Thenthereisthechallengeposedtothecurrentlevelsofmobility.Asafuel,gasolineisunrivalled(无敌的)initsportability.Electricityrequiresbulkybatteriesandhydrogenisnotoriouslydifficulttostore.Biofuelsmightseemlikeanalternative,buttheenergyconsumedwhenconvertingcornintobioethanol,forinstance,greatlyexceedstheoutputwhenthefuelisutilized.Inanycase,oncewereachacrisisinthefoodsupply,itwillnotmakesensetodivertfoodcropstootheruses.
Althoughthereseemstobeawidespreadbeliefthattheeraofoildependencyiscomingtoanendduetosometechnologicalremedy(补救方法),thismaybemistaken.Relyingonsuchanassumptioncanleadtocomplacency(自满)andafailuretotakeprecautions(预防措施).Expertsmaynotbeabletocomeupwithsolutionthatcanleadtoapain-freetransition.Scientistswarnthatrelyingonalternativeresourcesmightonlysupporthalfoftheglobalpopulation.Theabsenceofrealisticalternativetofossilfuelswillmeanthatthefirstprioritywillbetocurbthedemandforfood.
Petrochemicalsareusedtomanufacturepesticides,whicharegoodforagriculture.
Themeaningofcatch22
Oneofthemostinterestingbooksofthe20thcenturywasthenovel,Catch22.Inthenovel,thetermhasnothingtodowithcatchinganything.Ithasamuchdeepermeaning,anditdescribesakindoflogicalconundrum(难题)that’sworthexploring.
First,it’simportanttoputthephraseintocontext.Inthenovel,agroupofAmericanbomberpilotsisonanislandintheMediterranean.Theyfacedeathalmosteverydaywhentheyflytheirbombingmissions.Manyhavealreadylosttheirlives;theremainingpilotsknowthatitisonlyamatterofthetimebeforetheywillbethenextvictims.
Oneofthecharactersinthenovelisadoctor.Itishisjobtoseethatthepilotsarefittofly.Inparticular,thereisrulethatsayshehastogroundanyonewhoiscrazy.Togroundthemmeanstoremovethemfromactivedutysothattheydon’tfly.
Someofthemenbelievedintheprinciplestheywerefightingfor.Theywerewillingtogivetheirlivesfortheircountry.Buttoothers,thiswascrazy.Theythoughtthewholethingwasinsane.Oneofthem,Yossarian,wantedout.Hewasfriendswiththedoctor,andhewantedthedoctortogroundhim.
WhenYossarianaskedthedoctortogroundhim,thedoctorreplied:
“you’rewastingyourtime,you’renotcrazy”.
Yossariantoldhimtoaskoneoftheotherpilots,Clevinger,totellhimhowcrazyhewas.“Thereisnopoint.He’scrazy.”Thedoctorreplied.”Crazypeoplecan’tdecidewhetheryouarecrazyornot.”
“Clevingerisn’tcrazy!
he’soneofthesanestpilotshere.”
“Sohe’sobviouslyoutofhishead,”saidtheDoc.“He’sgottobeclosecallshe’shad.”
“well,ifhe’scrazy,whydon’tyougroundhim?
”
“Ican’tunlessheaskstobegrounded.That’spartoftherule.”
“Soallhehastodoisask?
”
“no,thenIcan’tgroundhim.”
“Sothereisacatch,”saidYossarian,tryingtogetthingsstraight.
“Sure,there’sacatch,”saidtheDoc,withaslightsmile.“Catch22.Ifheasks,thenhecan’tbecrazy.Onlythosewhoarecrazyaregrounded.”
“there’ssomecatch,”observedYossarian.
“it’sthebestthereis,”theDocreplied.
Unit3-2listening流行病
Despiteadvancesintechnology,oneofthebiggestthreatstohumansurvivalcomesfromprimitive(原始的)lifeforms.Infectiousdiseasesarecausedbymicroorganisms,suchasbacteria,virusandparasites(寄生物).Theseorganismshavenoaccesstoeducationortechnology,buttheypresentahugechallengetohumanity.That’sbecausetheyareadaptable.Justasadaptabilityhashelpedhumanssurvive,itmakesitmoredifficulttocontrolinfectiousdiseases.Asconditionschange,theorganismwhichcausedthesediseasesadaptandbecomestronger.Thereareseveralkindsofinfectiousdiseases.
Bacterialinfectionssuchaspneumonia(肺炎),arecausedbybacteria.theseinfectionscanbetreatedbyantibiotics(抗生素),whichkillthebacteria.viralinfectionsarecausedbyvirus,suchastheinfluenzavirus.Thesecansometimesbetreatedbyvaccines,suchasfluvaccines.Anexampleofparasitic(寄生虫的)infectionismalaria(疟疾).Malariaiscausedbyparasitestransmittedtohumansbyinfectedmosquitoes.Onceinsidethebody,theparasitescanbedifficulttokillorcontrol.Andalso,theseparasitesarealsoadaptable.
Howseriousareinfectiousdiseases.Consideredwhath
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