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1、Unit11TheStoryofanEyewitnessKeytotheExercisesTextcomprehensionI.Decidewhichofthefollowingbeststatestheauthor'spurposeofwriting.BII.Judge,accordingtothetext,whetherthefollowingstatementsaretrueorfalse.1.T(RefertoParagraph1:Theearthquakebroughtaboutalossofthousandsofdollarsworthof
2、housingwhiletheconflagrationburneduphundredsofmillionsofdollarsworthofproperty.)2.T(RefertoParagraph1,inwhichitissaidthat"Thereisnoestimatingwithinhundredsofmillionstheactualdamagewrought,"meaningthatitisimpossibletoestimatetheactualdamagewithinhundredsofmillionsofdollars.)3.F(R
3、efertoParagraph6,whereitisindicatedthatthepurposeofman'sdynamitingthecitywastopreventtheadvancementofthefuriousfireratherthanmaliciouslydestroythecity.)4.F(RefertoParagraph6,whereitisshownthatorganizedfirefightersmadeeffortstocombattheflames.)5.F(RefertoParagraphs11?2,whichtellu
4、sthatthemenbroketheirheartovertheirtrunksbecausetheywerecompelledtoabandontheirtrunks,whichcontainedtheirfamilytreasuresandwhichtheyhadbeendraggingalongwithgreatdifficultyforadozenhours.)6.T(RefertoParagraphs13?4,whichshowthattwentyhoursaftertheearthquake,milesandmilesofmagnific
5、entbuildingsandskyscrapersstillstoodintact.)III.Answerthefollowingquestions.1.RefertoParagraph4.Theyrefertotheshrewdman-madeconveniencesoflifeandsafeguardsinSanFranciscosuchasthestreets,thesteelrails,thetelephoneandtelegraphsystems.2.RefertoParagraph5.No.Awayfromtheburningcity,i
6、twasdeadcalm.Insideit,however,theflameswerebecomingmoreandmorerampantandtheheatedairbecamelighterandlighterandrosecontinuously.Thusadiscrepancyofairpressurewasformed.Consequently,underthehigherpressurefromoutside,airwaspouringinuponthecitywheretheatmosphericpressurewaslower.3.Re
7、fertoParagraph6.Itwasveryhardorevenimpossibleformantohalttheadvancementoftheflames.Hiseffortstocombattheconflagrationturnedouttobeuseless.4.RefertoParagraph7.Astheauthorseesit,itwillbeimpossibletoknowtheexactnumberofthevictimsoftheearthquakebecausealltheirtraceshavebeenerasedbyt
8、heflames.5.RefertoParagraph11,whichtellsusthato
