1•热身环节2•推断题3•综合训练主要内容Unit5基础提高与扩展1•热身环节Q1:Whatquestioncanneverbeansweredby“yes”?Q2:Whattreeisalwaysverysad?推断题原则•非原文原句真题训练（一）JeanneCalmenttookupskatingatage85,madeherfirstmovieappearanceatage114.andheldaconcertintheneighborhoodonher121stbirthday．Whenitcomestolonglife,JeanneCalmentistheworld'srecordholder.Shelivedtotheripeoldageof122.Sois122theupperlimit（限制）tothehumanlifespan(寿命)?Ifscientistscomeupwithsomesortofpillordietthatwouldslowaging,couldwepossiblymakeitto150-orbeyond?Researchersdon'tentirelyagreeontheanswers．"Calmentlivedto122,Soitwouldn'tsurprisemeifsomeonealivetodayreaches130or135,”saysJerryShayattheUniversityofTexas.SteveAustadattheUniversityofTexasagrees."Peoplecanlivelongerthanwethink."hesays."Expertsusedtosaythathumanscouldn'tlivepast110.WhenCalmentblewpastthatage,theyraisedthenumberto120.Sowhycan'twegohigher?"Thetroublewithguessinghowoldpeoplecanlivetobeisthatit'salljustguessing．"Anyonecanmakeupanumber．"saysRichMillerattheUniversity,ofguessingMichigan．"UsuallythescientistwhopicksthehighestnumbergetshisnameinTimemagazine．"Won'tnewanti-agingtechniqueskeepusaliveforcenturies?Anycure，saysMiller，foragingwouldprobablykeepmostofHSlivinguntilabout120．Researchersareworkingontreatmentsthatmakethelifespanofmicelongerby50percentatmost．So，iftheaverage（平均）humanlifespanisabout80years，saysMiller，"addinganother50percentwouldgetyouto120．"1Sowhatcanwelearnfromthislittledisagreementamongtheresearchers?Thatlifespanisflexible（有弹性的),butthereisalimit,saysGeorgeMartinoftheUniversityofWashington."Wecangetfliestolive50percentlonger."hesays,"Butafly'snevergoingtolive150years."Ofcourse，ifyoubecameanewspecies（物种)，onethatagesataslowerspeed,thatwouldbeadifferentstory,headds.DoesMartinreallybelievethathumanscouldevolve（进化）theirwaytolongerlife?"It'sprettycooltothinkabout．"Hesayswithasmile．55．WhatdoesthestoryofJeanneCalmentprovetous?A.Peoplecanliveto122．B.Oldpeoplearecreative．C.Womenaresport...
