如果一个多边形类的实例由多个点类的实例作为其数据成员,对该多边形执行移动操作时需要调用点类的移动操作,这种依赖关系属于

A、包含依赖
B、实现依赖
C、调用依赖
D、细化依赖
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正确答案:

ACD

答案解析:

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Passage4

Questions16to20arebasedonthefollowingpassage:

IrecentlywroteanautobiographyinwhichIrecalledmanyoldmemories.Oneofthemwasfrommyschooldays,whenourninthgradeteacher,MissRaber,wouldpickoutwordsfromtheReader’sDigesttotestourvocabulary.

Today,morethan45yearslater,Ialwayscheckout“ItpaystoEnrichYourWordPower”firstwhentheDigestcomeseachmonth.Iamimpressedwiththatidea,wordpower.Reader’sDigestknowsthepowerthatwordshavetomovepeople—toentertain,inform,andinspire.TheDigesteditorsknowthatthebigwordisn’talwaysthebestword.Takejustoneexample,aQuotableQuoteformtheFebruary1985issue:”Timeisaplayfulthing.Itslipsquicklyanddrinksthedaylikeabowlofmilk.”

Nineteenwords,onlytwoofthemmorethanonesyllable,yethowmuchtheyconvey!That’susuallyhowitiswithReader’sDigest.Smallandsimplecanbeprofound.

AschairmanofafoundationtorestoretheStatueofLiberty,I’vebeenmakingalotofspeecheslately.Itrytokeepthemfairlyshort.Iusesmallbutvividwords:wordslike“hope”,“guts”,“faith”,“dreams”.ThosearewordsthatmovepeopleandsaysomuchaboutthespiritofAmerica.

Don’tgetmewrong.I’mnotagainstusingbigwords,whenitisrighttodoso,butIhavealsolearnedthatasmallwordcanworkasmallmiracle—ifit’srightword,intherightplace,attherighttime.It’sa“secret”thatIhopeneverforget.

16.Thepassageismainlyabout.

A.oneofthemanyoldmemories

B.usingsimplewordstoexpressprofoundideas

C.Reader’sDigestandschoolspeeches

D.howtomakeeffectivespeeches

17.ItseemsthatReader’sDigestisamagazinepopularwith.

A.peopleofallagesB.teenagersC.schoolteachersD.elderlyreaders

18.Theexampletheauthorgivesinthesecondparagraphmightmean.

A.onespendshisdayplayinganddrinking

B.don’twasteyourtimeasonedoes

C.timeslipseasilyifyoudon’tmakegooduseofit

D.timeisjustlikedrinkingmilkfromabowl

19.Theauthor’s“secret”is.

A.toavoidusingbigwordsatanytime

B.tousewordsthathavethepowertomovepeople

C.toworkamiraclebyusingasmallword

D.tousesmallandsimplewordswherepossible

20.Accoedingtotheauthor,well-chosenwordscangivepeople.

A.hope,courageandideas

B.confidence,determinationandstrength

C.pleasure,knowledgeandencourage

D.entertainment,informationandpower

Questions16to20arebasedonthefollowingpassage:

Nearlyallthefamiliescanmanagetomeetthesoaringtuitioncoststhroughvariousinvestmentplans.

Hisproposalis_____toallofusandyoudonotneedtotellusmoreaboutit.

A、apparent
B、appearing
C、approaching
D、apart

接生过程中,下列哪项是错误的

A、宫缩时,接生者以手掌向上向内托压会阴体保护会阴
B、宫缩时,协助胎头俯屈
C、待胎儿枕骨下部显露于母体耻骨弓下时,协助胎头仰伸
D、在宫缩期不屏气情况下娩出胎头较在宫缩间歇期稍向下屏气娩出更利保护会阴
E、胎儿-肩娩出后应注意保护会阴

Lifeistooshort________________(不可每天将时间浪费在看电视上).

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