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1、Unit31listening偷竊Theywerelockedupthesafetheonlywaytoopenthesafewaswithan8digitsaccesscode.Whoevergotinthesafemusthavebackcode.Asfarasheknewnobodyelsehadithaveeveraskedtouseittogetsomethingfromthesafe.Only2peopleinthecomp

2、anywereauthizedtohavethecode.HehadthecodeofcoursesodidhisassistantSylvia.TherewasnoreasonfSalviatotakethedocumentssohecouldn’timaginethatitwasher.Thatwouldmakesenseshewascompletelytrustwthy.Sosomebodyelsemusthavethecodes

3、tolenthedocument.Shehadanotiouslybadmemysoshekeptalotofnotes.ButSylviawasn’tthatcarelessirresponsible.Shehadprobablystedthecodesomewhereonhercomputerthetheftwasabletogetitfromthere.Butwhocouldhehavebeen.Suddenlyherealize

4、dthattherewasanewITguyintheoffice.Hemaintainedthecompany’scomputerwkprovidetechnicalsupptfthestaffs.Perhapshewastheguilthewanted.Ifanyonecouldhavedoneithecertainlyhadtheskills.HewasasecurityexperthehadhelpedSylviastedsom

5、ethingonhercomputerlastweek.Thenjohnrealizedthatnobodyhaddoneaproperbackgroundcheckontheguy.Oneofotherengineersinthecompanyhadrecommendedhimheseemednice.Theyhadbeeninahurrytohiresomeonefthepositionsotheydidn’tcheckthisba

6、ckgroundverycarefully.Suddenlyhehadabadfeeling.immediatelyheusedhissmartphonetocheckthecompany’sbankaccounts.Tohishrhefoundthatalargeamountofmoneywasmissingfromoneofhisaccounts.Therehadalargewithdrawearlierthatmningmetha

7、n75thousdollars.Hethendiscoveredthatthemoneyhadbeenwiredtoanaccountinanothercountry.SonotonlydidtheITguygettheaccesscodefthesafebuthealsogotthelodgeinfmationfromthebank.Thiswasadisaster.Johnimmediatelycalledthepolicerept

8、edtheincident.Healsocalledthebanktoseeiftheycouldstopthetransaction.Unftunatelytheysaiditwastoolate.thetransactionhadgonethrough.JustthenjohngotanemailwiththesubjectlinefromtheITguy.Itshowedsmileyfacesaidthankyoufbeingso

9、stupid.Don’twasteyourtimetryingtofindme.I’veleftthecountrywillneverreturn.BethankfulthatIdidn’teverythingintheaccount.Thisshouldagoodlessonfyou.ItwassignedyourITguy.Unit31dialogue評論評論和建和建議Wellwhatdidyouthinkofmypresentat

10、ions.DidyouwantmetobefrankIknowwewkveryhardonit.Unit31Reading化石能源和哲學?；茉春驼軐W悖論DepletionoffossilfuelsAnumberofscientistsareemphasizingthetremendouschallengesthatwillsoonbefacedwhenthedepletionoffossilfuelsuppliescoincides

11、with(恰逢)analarmingincreaseintheglobalpopulation.Theyhighlightagriculturewhichisheavilydependentnotonlyongasolinetofuelmachinerybutalsoonthepetrochemicalsnecessarytomanufacturesynthetic(合成的)fertilizerspesticides.Withoutth

12、esepetrochemicalscropyieldswouldbeonlyafractionofwhattheyaretoday.Toassumethatanabundantsourceofrenewableenergywilladdressthischallengeistoignethevitalnonfuelusesofpetrochemicals.Thenthereisthechallengeposedtothecurrentl

13、evelsofmobility.Asafuelgasolineisunrivalled(無敵的)initsptability.Electricityrequiresbulkybatterieshydrogenisnotiouslydifficulttoste.Biofuelsmightseemlikeanalternativebuttheenergyconsumedwhenconvertingcnintobioethanolfinsta

14、ncegreatlyexceedstheoutputwhenthefuelisutilized.Inanycaseoncewereachacrisisinthefoodsupplyitwillnotmakesensetodivertfoodcropstootheruses.Althoughthereseemstobeawidespreadbeliefthattheeraofoildependencyiscomingtoanendduet

15、osometechnologicalremedy(補救方法)thismaybemistaken.Relyingonsuchanassumptioncanleadtocomplacency(自滿)afailuretotakeprecautions(預防措施).Expertsmaynotbeabletocomeupwithsolutionthatcanleadtoapainfreetransition.Scientistswarnthatr

16、elyingonalternativeresourcesmightonlysuppthalfoftheglobalpopulation.Theabsenceofrealisticalternativetofossilfuelswillmeanthatthefirstpriitywillbetocurbthedemffood.Petrochemicalsareusedtomanufacturepesticideswhicharegoodf

17、agriculture.Themeaningofcatch22Oneofthemostinterestingbooksofthe20thcenturywasthenovelCatch22.Inthenovelthetermhasnothingtodowithcatchinganything.Ithasamuchdeepermeaningitdescribesakindoflogicalconundrum(難題)that’swthexpl

18、ing.Firstit’simptanttoputthephraseintocontext.InthenovelagroupofAmericanbomberpilotsisonanislintheMediterranean.Theyfacedeathalmosteverydaywhentheyflytheirbombingmissions.Manyhavealreadylosttheirlivestheremainingpilotskn

19、owthatitisonlyamatterofthetimebefetheywillbethenextvictims.Oneoftheactersinthenovelisadoct.Itishisjobtoseethatthepilotsarefittofly.Inparticularthereisrulethatsayshehastogroundanyonewhoiscrazy.Togroundthemmeanstoremovethe

20、mfromactivedutysothattheydon’tfly.Someofthemenbelievedintheprinciplestheywerefightingf.Theywerewillingtogivetheirlivesftheircountry.Buttoothersthiswascrazy.Theythoughtthewholethingwasinsane.OneofthemYossarianwantedout.He

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