懂你英语L6 Unit 3.docx

懂你英语L6 Unit 3.docx

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懂你英语L6Unit3

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.Consideredwhathap