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15选10Unit1Universitystudentscomefromdifferentpartsofthecountrywithvariouspurposes.However,acloserlookattheirreasonsforstudyingattheuniversitywillenableustoclassifythemroughlyintothreegroups:thosewhohavea(n)passionforlearning,thosewhowishtoattainabrightfuture,andthosewholearnwithnodefinitepurpose.Firstly,therearemanystudentswholearnsimplybecausetheypursuetheirgoaloflearning.SomereadawealthofBritishandAmericannovelsbecausetheyarekeenlyinterestedinliterature.Otherssitinfrontofthecomputerscreen,workingonanewprogram,virtuallydayandnight,becausetheyfindsomecomputerprogramsfascinating,andtheydreamofbecomingaBillGatesoneday.Secondly,therearestudentswhoworkhardmainlyforabetterandmoreprosperousfuture.Itseemsthatthemajorityofstudentsfallintothisgroup.Afteradmissiontotheuniversity,theyreadbooksafterbookstoacquireknowledgefromalloftheresourceswhichareavailabletothem,andfinally,tosucceedinthefuturejobmarket.Thirdly,therearestillsomestudentswholearnwithoutacleargoal.Theytakecourses,finishhomework,enjoylifeoncampus,butdon'twanttosampleanythingneworchallenging.Theyhavenoideawhattheywillbedoingaftercollege.Andtheymayendupwithnothingintheirlives.Unit2Parentsandteenagershavedifferentorevenoppositethingstoworryabout.Forexample,whileamothermighthaveahardtimeunderstandingwhyherteenagers'roomisalwaysa(n)embarrassmentofdirtystuff,theteenagersaremoreworriedabouttheirnextexamsandmaythinkitisridiculousfortheirmothertoinsistonkeepingacleanroom.Itisthereforeimportantforyoutoappreciatethedifferencesandlearntocommunicatewithyourteenagersproperly.Otherwise,yourteenagersmaysaynothingandshutyououtoftheirpersonallives.Theirrefusaltotalkwithyoumayevencreateemotionalstressinyourlife.Learningeffectivewaystocommunicatecanreversethesituationofadifficultrelationship,reducethestressofyourlife,andleadtoafriendlyrelationshipwithyourteenagers.First,youshouldlearntodiscussseriousproblemsindailyconversations.So,importanttopics,suchasdrivingavehicleandbuildinga(n)romanticrelationship,couldbedealtwiththroughdailyconversations.Second,learntobeanactivelistener.Manyparentsaresooverwhelmedwiththeirworkthattheycouldhardlytakesometimefortheirbelovedchildren.Spendyourtimelisteningcarefullytowhatyourchildrenliketotalkabout,andmakesureyourchildrenfeeltheyarebeingtakenseriously.Thiswillincreasethechancesofgoodcommunication.15选10Unit3Therehavebeenincreaseddemandsforhighereducationtoprovidestudentswithbettercoursesandmoreopportunities.Todealwiththiscomplexissue,collegesanduniversitiesareturningtotheInternetforquickaccesstoitsricheducationalresources.NowtheInternethasbeenacceptedasthepreferredtechnologytomanyothermethodsincollegesanduniversities.Manyteachersnowroutinelyposttheirteachingmaterialsonline.AgrowingnumberofschoolsofferatleastsomeundergraduatecoursesovertheInternet.TherearetwodifferentmodelsofmakinguseoftheInternetforhighereducation.ThefirstmodelseekstoimproveexistingcoursesbyusingtheInternet.Thismodelprovideshigh-speedInternetconnectivitytoallstudents,faculty,andstaff.WhilethismodelusestheInternet,itdoesn'trequiremanychanges,anditkeepsmostexistinginstitutionalstructuresunchanged.Adifferent,morerevolutionarymodelregardstheInternetasindispensabletoanimportantchangeinhighereducation,foritisbelievedthattheInternetcantransformteacher-centeredinstructionintostudent-centeredlearning.This,asaresult,willbringaboutbasicchangetoouruniversityeducation.Unit4InJanuary2011,DanielHernandezsavedcongresswomanGabrielleGiffords'lifeinamassshootinginTucson.Hekeptheralivebyapplyingpressuretoherwoundsandspeakingtenderwordsofsympathyuntilmedicalpeoplearrived.Hewashailedasaherobythepublic.AlthoughhisdevotiontopublicserviceisremarkableinhisbookTheyCallMeaHero:AMemoirofMyYouth,Hernandezinsiststhatheisnotahero.Hernandezsaidthatheinitiallyresistedtheideaofwritingabookabouthisexperienceonthatdayofenormoustragedy.Ihadbeenpushedbyafewpublishersaftertheincident,hesaid.Ithoughtheroesshouldbepeoplewhomakealifetimecommitmenttohelpingothers.However,Hernandez,nowaschoolboardmember,hadcometorealizethathewouldbeinterestedinwritingabookfocusingonhispublicservice.Asayoungofficial,I'vefacedsomebigchallenges,andIwantyoungpeopletoknowthattheyneedtofacechallengesandinvolvethemselvesintheircommunities.Whenaskedifhehadanyplanwithasecondbook,Hernandezsaidhismajorpurposeatpresentwastocontinuetoservehiscommunityandpursuehispassionasa(n)advocateforeducation.ButI'mnotgoingtosayno,hesaid.15选10Unit5Forseveralcenturies,cricket(板球)hasbeenaverypopularsportinEngland.Ithasbeenenjoyedbybothprofessionalandamateurplayers.Thissuper-populargameisabat-and-ballgameplayedbetweentwoteamsof11players.Itcanprovideyouwithhealthbenefitslikebuildingendurance,balance,andphysicalfitness.Butforateamsport,cricketalsoplacesindividualplayersunderunusualpressurebecauseeveryteamplayerisindependentofeachother.Cricketmighthavestartedinearly16th-centuryEngland.WrittenrecordspresentevidenceofagameknownascreagbeingplayedbyPrinceEdwardatNewenden,Kentin1301;anditispossible,despitenohardevidence,thatthiswasaformofcricket.Bytheendofthe18thcentury,c