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