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1、12READINGCOMPREHENSIONPARTONEHOWTOGRASPTHEMAINIDEAI.TograspthemainideabyidentifyingthetopicsentenceExample1AlfredNobel,thegreatSwedishinventorandindustrialist,wasamanofmanycontrasts.Hewasthesonofabankrupt,butbecameamillionaire;ascientistwithaloveofliterature,anindustrialistwhomanagedtoremainanideali
2、st.Hemadeafortunebutlivedasimplelife,andalthoughcheerfulincompanyhewasoftensadinprivate.Aloveofmankind,heneverhadawifeorfamilytolovehim;apatrioticsonofhisnativeland,hediedaloneonforeignsoil.Heinventedanewexplosive,dynamite,toimprovethepeacetimeindustriesofminingandroadbuilding,butsawitusedasaweapono
3、fwartokillandinjurehisfellowmen.Duringhisusefullifeheoftenfelthewasuseless:“AlfredNobel.”heoncewroteofhimself,“oughttohavebeenputtodeathbyakinddoctorassoonas,withacry,heenteredlife.”World-famousforhisworkshewasneverpersonallywellknown,forthroughouthislifeheavoidedpublicity.“Idonotsee,”heoncesaid,“th
4、atIhavedeservedanyfameandIhavenotasteforit.”Butsincehisdeath,hisnamehasbroughtfameandglorytoothers.Question:ThepassagechieflystatesCA.thatAlfredNobelledausefullifeB.whyheactedcontrarytohisownwishesC.howhebroughtfameandglorytoothersD.thatallhislifewasfullofcontradictionsExample2Sometimecertainerasore
5、ventsfromourpastreceivelittleornoattention.Thismightbebecausethereislittleinformationavailableonthesesubjects,orbecausethesubjectsarecontroversialorshameful,andwearereluctant{不愿}tofacethem。Butwhenweignoreordenyapartofourpast，wefailtolearnthelessonsthathistorycanteachus，andweneglectpeoplewhoarepartof
6、thathistory。Therepeople---andtheirhistory—canbecome“invisible”,andintimewecanforgetthattheyoughttobepartofwhatwethinkofashistory.Question:Whatistheauthor’smainpoint?DA.Historytendstorepeatitself.B.Historiansshouldnotwriteaboutdisputedmatters.C.Morepeopleshouldstudyhistory.D.Nopartofhistoryshouldbeig
7、nored.Example3Ifyouwereplanningtobuyatelevisionset,thefollowingadvertisementwouldattractyourattention:“ColorTV，only$79.Twodaysale.Hurry.”However,whenyougotothestorereadytobuy,youmaydiscoverthattheadve
