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