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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(píng)論評(píng)論和建和建議Wellwhatdidyouthinkofmypresentat
10、ions.DidyouwantmetobefrankIknowwewkveryhardonit.Unit31Reading化石能源和哲學(xué)?;茉春驼軐W(xué)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(bǔ)救方法)thismaybemistaken.Relyingonsuchanassumptioncanleadtocomplacency(自滿)afailuretotakeprecautions(預(yù)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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