大学英语竞赛 改错

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1、1.Untiltheverylatestmomentofhisexistence,manhasbeenboundtotheplanetonwhichheoriginatedanddeveloped.NowhehadthecapabilitytoleavethatplanetS1._______andmoveoutintotheuniversetothoseworldswhichhehasknownpreviouslyonlydirectly.MenhaveexploredS2._______partsofthemoon,putspaceshipsinorbitaroundano

2、therplanetandpossiblywithinthedecadewilllandintoanotherS3._______planetandexploreit.CanwebetooboldastoS4._______suggestthatwemaybeabletocolonizeotherplanetS5._______withinthenot-too-distantfuture?Somehaveadvocatedsuchaprocedureasasolutiontothepopulationproblem:shiptheexcesspeopleofftothemoon

3、.ButwemustkeepinheadthebillionsofdollarswemightS6._______spendincarryingouttheproject.Tomaintaintheearth'spopulationatitspresentlevel.wewouldhavetoblastoffintospace7,500peopleeveryhourofeverydayoftheyear.WhyarewespendingsolittlemoneyonspaceS7._______exploration?Considerthegreatneedforimprovi

4、ngS8._______manyaspectsoftheglobalenvironment,oneissurelyjustifiedinhisconcernforthemoneyandresourcesthattheyarepouredintothespaceexplorationefforts.S9._______Butperhapsweshouldlookatbothsidesofthecoinbeforearrivinghastyconclusions.S10._______00.6Whenyoustarttalkingaboutgoodandbadmannersyoui

5、mmediatelystartmeetingdifficulties.Manypeoplejustcannotagreewhattheymean.Weaskedalady,whorepliedthatshethoughtyoucouldtellawell-manneredpersononthewaytheyoccupiedtheS1._______spacearoundthem—forexample,whensuchapersonwalksdownastreetheorsheisconstantlyunawareofS2._______others.Suchpeopleneve

6、rbumpintootherpeople.However,asecondpersonthoughtthatthiswasmoreaquestionofcivilizedbehaviorasgoodmanners.S3._______Instead,thisotherpersontoldusastory,itheS4._______saidwasquitewellknown,aboutanAmericanwhohadbeeninvitedtoanArabmealatoneofthecountriesS5._______oftheMiddleEast.TheAmericanhasn

7、'tbeenS6._______toldverymuchaboutthekindoffoodhemightexpect.IfhehadknownaboutAmericanfood,heS7._______mighthavebehavedbetter.11Immediatelybeforehimwasaveryflatpieceofbreadthatlooked,tohim,verymuchasanapkin(餐巾).S8._______Pickingitup,heputitintohisco