当前位置:考试网  > 试卷库  > 学历类  > 自考  > 自考专业(公共关系)  > 创新思维理论与方法  > 假如一个图形是正方形,那它一定是四边形。这个假言命题是()。
试题预览

假如一个图形是正方形,那它一定是四边形。这个假言命题是()。

更新时间:2024-11-24 04:50:44
A、必要条件假言命题
B、充分条件假言命题
C、充要条件假言命题
D、肯定条件假言命题
收藏
纠错
正确答案:

B

答案解析:

暂无解析

你可能感兴趣的试题

PASSAGETWO

(1)TheNobelsaretheoriginals,ofcourse.AlfredNobel,themanwhoinventeddeadlyexplosives,decidedtotryanddosomethinggoodwithallthemoneyheearned,andgaveprizestopeoplewhomadeprogressinliterature,science,economicsand—perhapsmostimportantly—peace.

(2)NotallrewardsareasnobleastheNobels.Eventhoughmostcountrieshaveasystemofrecognizing,honoringandrewardingpeoplewhohavedonesomethinggoodintheircountries,therearenowhundredsofawardsandawardceremoniesforallkindsofthings.

(3)TheOscarsareprobablythemostfamous,atimeforthe(mostly)Americanfilmindustrytotellitselfhowgooditisandanannualopportunityforlotsofbigstarstogiveeachotherawardsandmaketearfulspeeches.AswellasthattherearealsotheGoldenGlobes,evidentlyforthesamething.

(4)Butit’snotonlyfilms---therearealsoGrammies,Brits,theMercuryPrizeandtheMTVformusic.InBritain,awriterwhowinstheBookerPrizecanexpecttoseetheirdifficult,literarynovelhitthebestsellerlistsandcompetewiththeDaVinciCodeforpopularity.TheTurnerPrizeisanawardforBritishcontemporaryartists—eachyearitcausescontroversybyapparentlygivinglotsofmoneytoartistswhodothingslikedisplayingtheirbeds,puttinganimalsinglasscasesor—thisyear—buildingagardenshed.

(5)Awardsdon’tonlyexistforarts.TherearenowawardsforSportsPersonalityoftheYear,forEuropeanFootballeroftheYearandWorldFootballeroftheYear.Thisseemsverystrange—sometimesawardscanbegoodtogiverecognitiontopeoplewhodeserveit,ortohelppeoplewhodon’tmakealotofmoneycarryontheirworkwithoutworryingaboutfinances,butprofessionalsoccerplayersthesedayscertainlyaren’tshortofcash!

(6)Manysmalltownsandcommunitiesallovertheworldalsohavetheirownawardceremonies,forlocalwritersorartists,orjustforpeoplewhohavegraduatedfromhighschoolor,gotauniversitydegree.EventheBritishCouncilhasitsownawardsfor“InnovationinEnglishLanguageTeaching”.

(7)Whyhavealltheseawardsandceremoniesappearedrecently?Shakespeareneverwonaprize, nordidLeonardoDaVinciorAdamSmithorCharlesDickens.

(8)Itwouldbepossibletosay,however,thatinthepast,scientistsandartistscouldwin“patronageformrichpeople”—akingoralordwouldgivetheartistsorscientistsmoneytohavethempainttheirpalacesorhelpthemdevelopnewwaysofmakingmoney.Withthechangeinsocialsystemsacrosstheworld,thisnolongerhappens.Alotofscientificresearchisnoweitherfundedbythestateorbyprivatecompanies.

(9)Perhapsawardceremoniesarejustthemostrecentphaseofthisprocess.

(10)However,thereismoretoitthanthat.WhenafilmwinsanOscar,manymorepeoplewillgoandseeit,orbuytheDVD.WhenawriterwinstheNobelPrize,manymorepeoplebuytheirbooks.WhenagroupwinstheMTVawards,theceremonyisseenbyhundredsofthousandsofpeopleacrosstheworld.Theresult?Thegroupsellslotsmorerecords.(11)Mostawardceremoniesarenowsponsoredbybigorganizationsorcompanies.Thismeansthatitisnotonlythepersonwhowinstheawardwhobenefits---butalsothesponsors.TheMTVawards,forexample,aregreatforpublicizingnotonlymusic,butalsoMTVitself!

(12)Onthesurface,itseemstobea“Win-win”situation,witheveryonebeinghappy,butletmeaskyouaquestion—howfardoyouthinkthatpublicityandmarketingarewinninghere,andhowmuchgenuinerecognitionofachievementistakingplace?

1.Whatistheauthor’stonewhenhementionsawardssuchastheOscars,theGoldenGlobesand

Grammies(Paras.3&4)

A.Amused.

B.Appreciative.

C.Sarcastic.

D.Serious.

2.AccordingtoPara.4,whatwouldhappentoawardwinningwriters?

A.Theywouldenjoyamuchlargerreadership.

B.Theywouldturntopopularnovelwriting.

C.Theywouldcontinuenon-fictionwriting.

D.Theywouldtrycontroversialformsofart.

3.WhichofthefollowingstatementsbestsumsupPara.6?

A.Awardsceremoniesareheldforlocalpeople.

B.Awardsceremoniesareheldonimportantoccasions.

C.Awardsceremoniesareheldincertainprofessions.

D.Awardsceremoniesareheldforallsortsofreasons.

4.AccordingtoPara.8,onedifferencebetweenscientistsandartistsinthepastandthoseatpresent

liesin_____________.

A.natureofwork

B.personalcontact

C.sourceoffunding

D.socialstatus

5.ItcanbeconcludedfromPara.12thattheauthorthinksawards________.

A.promotemarketratherthanachievements

B.dogoodtobothmarketandpopularity

C.helpthosewhoarereallytalented

D.areeffectiveinmakingpeoplepopular

____youwerebusy,Iwouldn’thavebotheredyouwithquestions.

Hesetupinbusiness()hisownandwasverysuccessful.

Passage4

Questions16to20arebasedonthefollowingpassage:

Cultureshockisanoccupationaldisease(职业病)forpeoplewhohavebeensuddenlytransplantedabroad.

Cultureshockiscausedbytheanxietythatresultsfromlosingallfamiliarsignsandsymbolsofsocialintercourse.Thosesignsareasfollowing:whentoshakehandsandwhattosaywhenmeetpeople,whenandhowtogivetips,howtomakepurchases,whentoacceptandrefuseinvitations,whentotakestatementsseriouslyandwhennot.Thesesigns,whichmaybewords,gestures,facialexpressions,orcustoms,areacquiredbyallofusinthecourseofgrowingupandasmuchapartofourcultureasthelanguagewespeakorthebeliefsweaccept.Allofusdependonhundredsofthesesignsforourpeaceofmindandday-to-dayefficiency,butwedonotcarrymostatthelevelofconsciousawareness.

Nowwhenanindividualentersastrangeculture,allormostofthesefamiliarsignsareremoved.Nomatterhowbroadmindedorfullofgoodwillyoumaybeaseriesofsupportshavebeenknockedfromunderyou,followedbyafeelingoffrustration.Whensufferingfromcultureshockpeoplefirstrejecttheenvironmentwhichcauseddiscomfort.Thewaysofthehostcountryarebadbecausetheymakeusfeelbad.Whenforeignersinastrangelandgettogetherincomplainaboutthehostcountryitspeople,youcanbesurethattheyaresufferingfromcultureshock.

16.Accordingtothepassage,cultureshockis.

A.anoccupationaldiseaseofforeignpeopleB.mayleadtoveryserioussymptoms

C.actuallynotadiseaseD.incurable

17.Accordingtothepassage,cultureshockresultfrom.

A.thesuddenchangeofsocialatmosphereandcustoms

B.thesuddenchangeofourdailyhabits

C.thesuddenlossofourownsignsandsymbols

D.thediscomfortthatwefeelwhenfacedwithaforeigner

18.Whichoneofthefollowingmaynotbeasymptomofcultureshock?

A.Youdon’tknowhowtoexpressyourgratitude.

B.Youdon’tknowhowtogreetotherpeople.

C.Yousuddenlyforgetwhatawordmeans.

D.Youdon’tunderstandwhyaforeignershrugs.

19.Accordingtothepassage,howwouldapersonwhostaysabroadmostprobablyreactwhenheisfrustratedbythecultureshock?

A.Heismostlikelytorefusetoabsorbthestrangeenvironmentatfirst.

B.Heisreallytoacceptthechangeandadapthimselftothenewenvironment.

C.Althoughhetakestheculturedifferenceforgranted,hestilldoesn’tknowhowtodowithit.

D.Hemaybegintohatethepeopleorthingsaroundhim.

20.Themainideaofthispassageisthat.

A.cultureshockisanoccupationaldisease

B.cultureshockiscausedbytheanxietyoflivinginastrangeculture

C.cultureshockhaspeculiarsymptoms

D.itisveryhardtocopewithlifeinanewsetting

Itisnotuncommonforthere_____problemsofcommunicationbetweentheoldandtheyoung.