懂你英语L6-Unit-3

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DepletionoffossilfuelsAnumberofscientistsareemphasizingthetremendouschallengesthatwillsoonbefacedwhenthedepletionoffossilfuelsuppliescoincideswith(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.Relyingonsuchanassumptioncanleadtocomplacen