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Unit112,3,45678UNIT212183,418567stacksth.Onto48gofor(trash)91810(haul)(sweat)(soreshoulders)11(aridiculousmess)(comforter)(thesheetstossedaside)(stripoff)*comforterblanketsheetspillows12turnintocreate13turn,over141516171819202122Unit31(frontiersofnewtechnology)24(electronics)2(atypicalmodern-daycampus)(common),istiedto321(anever-flowingriverofinformationandcommunication.)(beelectronicallylinkedtoeachother)247asagroup4(boundlessamountofinformationonline)(receiveresponses)*Bound5(createtheirowndialects)(tape)(post)(getattention)(encouragesophisticatedthinking)6non-stop(thefuelofcollegelife)thewondersofInternetreviewlectureoutlinesnetworkonlinewiththeirfriendsbutindoingsotheInternetworldontheircomputerscreens(takethemawayfromtherealworldoutside)72090(wiredormswithhigh-speedconnections)bubblesofWiFinetworks5%-8%20802%-3%8(homeworkassignments)(checktheirbankbalances)compensateiPad9(focuson)(states):(high-bandwidth)(deliver)atacompetitivedisadvantage10(arestrainingto)(reachfeverpitch)(aalways-connectedmode)arapidlychangingworld11(computerlab)241210(theanywhere-anytimeaccess)(hasalreadyyieldedamazingbenefitsineducation)(withthewidespreadapplicationofcomputertechnologies)(produce)agenerationof,(whichisindispensiblefor..)Unit41Who'saherothesedays?Inaneraofheightenedheroism,thewordherohasbecomemorecommon.Weuseherotodescribebothvictimsandsurvivorsofallkindsofdifficultiesandtragedies.Whoaretheheroesamongus?12InthedayssubsequenttoamassshootinginTucson,Arizona,manydescribed20-yearoldpoliticalassociateDanielHernandezasahero.Duringthehorribleshooting,hecourageouslyranthroughthedangertosavethelifeofoneofthevictims,hisbossandfriend,congresswomanGabrielleGiffords.Danielheldherheadupsoshecouldbreatheandappliedpressuretoherwounds.Hespoketenderwordsofsympathy,tellingherthathewouldfindherhusbandandherparentsandthateverythingwouldbefine.Andheneverleftherside,stayingbesideherintheambulanceallthewaytothehospital.220?courageouslyranthroughthedanger?3AnotherherofromthemassshootinginTucsonwasDoryStoddard.Dorygavehislifeforhiswife,Mavy.DoryandhiswifehadbeenfriendssincechildhoodandwhenDoryheardshotsringoutheimmediatelyfellontopofhiswifetoshieldherfromthehailofbullets.Atthememorialservice,thepriestsaid:Dorydidn'tdieahero;helivedahero.Longknownforhisremarkablespiritandloveofhumanity,DoryStoddarddiedashehadalwayslived,assistingothers.3?fellontopofhiswifememorialservicepriest?remarkablespiritsloveofhumanity4Thesearecivilianheroes,whoactedinstinctivelywithcourageandgracewhencaughtupinextraordinarycircumstances.4civilianheroesactinsdinctivelywithcourageandgrace5Butwhataboutfirstresponders,whosejobis,inthewordsofthewidowofafallenpoliceofficer,torushtowarddanger?56InToronto,Canada,downtownlifestoppedwhenmorethan11,000policeandotheremergencyrespondersmarchedsolemnlythroughthestreetstohonorSergeantRyanRussell,a35-year-oldgoodmanandgoodcop,whobelieveddeeplyinhiscommitmenttoprotectandserve.Sgt.Russellmovedquicklytoprotectothersfromharm.Hetriedtostopadrunkdriverinastolensnowplowwithonlyhispoliceautomobileandhisgoodwilltohelpothers.Sadly,Sgt.Russellwasunabletostopthedrunkdriverandwaskilledintheeffort.*commitmentto611,000believedeeplyinhiscommitmenttoprotectandserve35?goodwilltohelpothers7Itusedtobethatthewordherowasreservedforthosewhoperformedactsofdistinctcouragebeyondthecallofduty.Asoldierwhorunsthroughgunfiretorescueothermilitarypersonnelisseenasahero.Soarelarger-than-lifeleaderssuchasNelsonMandela,whoemergedafter27yearsofjail,confinedinasolitarychamber.Hemadethechoicenottobebitter,andworkedhardasSouthAfrica'sfirstblackpresidenttoestablishharmonyandhelpedsocietyreconcileitsconflictedpast.7.?278Buttoday,ourheroesareaveragemenandwomen,everydayheroestowhomwecanrelate,peoplelikeus.89However,whilemanypeoplehonorSgt.Russell,somepeopleraisethisquestionwhentheytrytomakesenseofatragedylikeSgt.Russell's:Somefirstrespondersdonotsucceedinhelpingothersandtheygetinjuredordieintheirefforts.Dothesepeoplebecomeheroesbecauseofwhathappenstothemastheytrytohelpothersinsteadofwhattheyactuallymakehappen?910IaskedroadsafetyadvocateEleanorMcMahonwhethershethoughtSgt.Russellwasahero.Ms.McMahon'slatehusband,apoliceofficer,waskilledbyadrunktruckdriverina2006off-dutybicyclingaccident.Throughgriefandrage,Ms.McMahonfoundedSharetheRoad,acyclingassociation,andworkedtirelesslyuntilthegovernmentestablishedGreg'sLaw,legislationthatgaveauthoritytopolicetoimmediatelyseizetheautomobilesofdrunkdriverscaughtontheroad.10?latehusband2006seizeGiveauthoritytopoliceto11Ms.McMahonrepliedthatshethoughtSgt.Russellwasindeedahero.Justimagine,inthemiddleofanintensesnowstormthispolicemanthinks:I'vegottostopthissnowplowbeforeithurtsothers.Ms.McMahonsummedupwhysheconsideredmanypoliceofficerstobeheroes:It'snaturaltobeafraidofdanger.It'snaturalforthatfeartocausemostpeopletorushtowardsafetyandawayfromdanger.Heroesdojusttheopposite.Theyrushtowarddangertohelpthoseinneed.*intense:*intensive11dojusttheopposite12Wecountonfirstresponderstorushtowarddanger,especiallywhenitinvolvesusorthosewelove.Weexpectnothingl