@翻了个译，MTI专业辅导@翻了个译，MTI专业辅导学习口语练习参考音频，朗读下文并录音；注意语言语调。Thebiggestandmostdiversifiedminingcompanies,suchasBHPBillitonandRioTinto,doboasthighersharevaluations.Theyproduceeverythingfromaluminiumtozircon,andsoarelesssusceptibletofluctuationsinthepriceofanyparticularmetal.Bythesamelogic,themoreminesafirmisrunningordeveloping,andthemorecountriesitoperatesin,thelessriskeachindividualprojectposestoprofits.Themergedtriowillcertainlyhaveabroadergeographicalspread,withminesinfivecontinents.Butitsmainprojects,instableplacesliketheUnitedStates,CanadaandChile,neverseemedthatriskyinthefirstplace.Furthermore,despitehavingsidelinesincobaltandmolybdenum,thenewfirm'sfortuneswilldependchieflyonthepriceofcopperandnickel—twoofmostvolatilemetalsoflate.SomeanalystsmutterthatPhelpsDodgeembarkedonthemergerchieflytosaveitselffrombeingtakenover.Investorsseemtosharetheirdoubts:PhelpsDodge'ssharesfellby8%afteritannouncedthedeal,despiteasimultaneouspledgetospend$5billiononasharebuy-backschemeoncethemergerisconcluded.
