主旨题练习补充.docx
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主旨题练习补充.docx
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主旨题练习补充
(A)
Itishardtopredicthowscienceisgoingtoturnout,andifitisreallygoodscienceitisimpossibletopredict.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Youeitherhavescienceoryoudon’t,andifyouhaveityouareobligedtoacceptthesurprisinganddisturbingpiecesofinformation,alongwiththeneatandpromptlyusefulbits.
TheonlysolidpieceofscientifictruthaboutwhichIfeeltotallyconfidentisthatweareprofoundlyignorantaboutnature.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Itisnotsobadbeingignorantifyouaretotallyignorant,thehardthingisknowinginsomedetailtherealityofignorance,theworstspotsandhereandtherethenot–so–badspots,butnotruelightattheendofthetunnelnorevenanytunnelsthatcanyetbetrusted.
Thereareprobablynoquestionwecanthinkupthatcanbeanswered,soonerorlater.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Withinourlimitsweshouldbeabletoworkourwaythroughtoallouranswers,ifwekeepatitlongenough,andpayattention.
Whatistheauthor’sattitudetowardsscience?
A)Heisdepressedduetotheignorancetothescience
B)Heisdoubtfulduetothedifficultyinthescientificstudy
C)Heisconfidentthoughheisawareofenormousdifficultiesinscientificresearch
D)Heispuzzledthatsciencecannotbepredicted
(B)
Sugarissomuchapartofourmodernlifethatweonlyreallythinkaboutitwhen,forsomereason,wecannotobtainit.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Untilquiterecentlyitwasconsideredasamedicineandasaluxuryfortheveryrichonly.
Sugaris,then,veryimportanttoourcivilization.Butwhatexactlyitis?
∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Butthereareinfactmanytypesofsugar,andthechemistrecognizeshundredsofdifferentvarieties,comingfromadifferentsource.
About90%ofthesugarproducedasfood.Only10%isusedinindustryforpurposesotherthanfoodproduction.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Inthefuturethesepotentialuseswillcertainlybedevelopedmorethenatpresentandinthepast.
Therearemanyreasonswhyweshouldincreasetheproductionofsugar.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Sothreeacresoflandgrowingwheatandpotatoesgiveonlyslightlymoreenergythanoneacreofsugar.
Whatisthemainideaofthearticle?
A)Whatsugaris
B)Sugarindifferentages
C)Theadvantagesofsugar
D)Thepresenceandfutureofthesugar
(C)
Hardlyaweekgoesbywithoutsomeadvanceintechnologythatwouldhaveseemedincredible50yearsago.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Anotherchangewillmakethousands,ofnotmillions,redundant.(剩余劳动力)
Evenpeopleintraditionalprofessions,whereexpertknowledgehasbeenthekeyareunlikelytoescapefromthenewtechnology.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Childrenwillstillgotoschooluntilanotherplaceiscreatedwheretheycanmakefriendsanddevelopsocialskills.
Whatcanwedotoavoidthethreatofunemployment?
∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Strangelyenough,therewillstillbejobslikerubbishcollection,cleaningandsoonastheyaretoughtoprogramtaskswhicharelargelyunpredictable.
Whatisthebesttitleofthearticle?
A)Thethreatofunemployment
B)Technologyandunemployment
C)Howtoavoidtheunemployment
D)Someshortcomingsofthetechnology
(D)
Somepeoplebelievethatinternationalsportcreatesgoodwillbetweenthenationsandthatifcountriesplaygamestogether,theywilllearntolivetogether.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷Notonlywastherethetragicincidentinvolvingthemurderofathletes,butthegameswerealsoruinedbylesserincidentscausedbyminornationalcontests.
Onecountryreceiveditssecondplacemedalswithvisibleindignationafterthehockeyfinal.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷ThepresidentoftheFederationsaidlaterthatsuchbehaviorcouldresultinthesuspensionoftheteamforatleastthreeyears.
TheAmericanbasketballteamannouncedthattheywouldnotyieldfirstplacetoRussia,afteradisputableendtotheircontest.Thegameendedindisturbance.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷TheAmericanplayersthenvotednottoreceivethesilvermedals.
Incidentsofthiskindwillcontinueaslongassportisplayedcompetitivelyratherthanfortheloveofthegame.∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷∷ButinpresentorganizationoftheOlympicthereisfartoomuchthatencouragesaggressivepatriotism.
Whatconclusioncanwedrawfromthearticle?
A)TheorganizationoftheOlympicGamesmustbeimproved
B)AthletesshouldcompeteasindividualintheGames
C)Sportshouldbeplayedcompetitivelyratherthanfortheloverofagame
D)InternationalcontestsarenotliablefortheSpiritofOlympi
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