罗斯公司理财试题库全集20220728.docx

根据光敏色素假说,LDP开花需要()。

A、Pfr/Pr高;

B、Pfr/Pr低;

C、Pfr/Pr适中;

D、与Pfr/Pr无关。

参考答案：A

下列公式中，曲线水平力计算公式正确的是（）。

A.PR＝TL/R

B.PR＝LR/T

C.PR=TR/L

D.PR=R/TL

正确答案：A

关于新生儿及婴儿PR间期的描述,错误的是A、PR间期与心率成正比B、PR间期与年龄成正比C、PR间期常<0.

关于新生儿及婴儿PR间期的描述，错误的是

A、PR间期与心率成正比

B、PR间期与年龄成正比

C、PR间期常<0．12s

D、PR间期<0．12s者占50％以上

E、以上都对

参考答案：A

未成年投资者只能购买风险级别在()范围内的理财产品,且只能购买与其风险承受能力测评结果相匹配的理财产品。

A.PR1～PR2

B.PR1～PR3

C.PR1～PR4

D.PR1～PR5

答案：B

船舶有效功率的公式:()

A、PR=R•vS/1000(KW)

B、PR=R•v/1000(HP)

C、PR=R•v/1000(KW)

D、PR=R•vS/1000(HP)

参考答案：A

Chapter13Risk,CostofCapital,andCapitalBudgetAgswerKeyMultipleChoiceQuestionsTheweightedaverageofthefirmscostsofequity,preferredstock,andaftertaxdebtisthe:rewardtoriskratioforthefirm.expectedcapitalgainsyieldforthestock.expectedcapitalgainsyieldforthefirm.portfoliobetaforthefirm.weightedaveragecostofcapital(WACC).Difficultylevel:EasyTopic:WACCType:DEFINITIONSIftheCAPMisusedtoestimatethecostofequitycapital,theexpectedexcessmarketreturnisequaltothe:returnonthestockminustherisk-freerate.differencebetweenthereturnonthemarketandtherisk-freerate.betatimesthemarketriskpremium.betatimestherisk-freerate.marketrateofreturn.Difficultylevel:EasyTopic:CAPMType:DEFINITIONSThebestfitlineofapairwiseplotofthereturnsofthesecurityagainstthemarketindexreturnsiscalledthe:SecurityMarketLine.CapitalMarketLine.characteristicline.riskline.Noneoftheabove.Difficultylevel:MediumTopic:CHARACTERISTICLINEType:DEFINITIONSTheuseofdebtiscalled:operatingleverage.productionleverage.financialleverage.totalassetturnoverrisk.businessrisk.Difficultylevel:MediumTopic:USEOFDEBTType:DEFINITIONSTheweightedaveragecostofcapitalforafirmisthe:discountratewhichthefirmshouldapplytoalloftheprojectsitundertakes.overallratewhichthefirmmustearnonitsexistingassetstomaintainthevalueofitsstock.ratethefirmshouldexpecttopayonitsnextbondissue.maximumratewhichthefirmshouldrequireonanyprojectsitundertakes.rateofreturnthatthefirmspreferredstockholdersshouldexpecttoearnoverthelongterm.Difficultylevel:MediumTopic:WEIGHTEDAVERAGECOSTOFCAPITALType:DEFINITIONSTheWACCisusedtotheexpectedcashflowswhenthefirmhasdiscount;debtandequityinthecapitalstructurediscount;shorttermfinancingonthebalancesheetincrease;debtandequityinthecapitalstructuredecrease;shorttermfinancingonthebalancesheetNoneoftheabove.Difficultylevel:MediumTopic:WACCType:CONCEPTSUsingtheCAPMtocalculatethecostofcapitalforariskyprojectassumesthat:usingthefirmsbetaisthesamemeasureofriskastheproject.thefirmisall-equityfinanced.thefinancialriskisequaltobusinessrisk.BothAandB.BothAandC.Difficultylevel:MediumTopic:CAPMType:CONCEPTSTheuseofWACCtoselectinvestmentsisacceptablewhenthe:correlationofallnewprojectsareequal.NPVispositivewhendiscountedbytheWACC.riskoftheprojectsareequaltotheriskofthefirm.firmiswelldiversifiedandtheunsystematicriskisnegligible.Noneoftheabove.Difficultylevel:EasyTopic:WACCType:CONCEPTSIftheriskofaninvestmentprojectisdifferentthanthefirmsriskthen:youmustadjustthediscountratefortheprojectbasedonthefirmsrisk.youmustadjustthediscountratefortheprojectbasedontheprojectrisk.youmustexerciseriskaversionandusethemarketrate.anaveragerateacrosspriorprojectsisacceptablebecauseestimatescontainerrors.onemusthavetheactualdatatodetermineanydifferencesinthecalcula、tions.Difficultylevel:EasyTopic:DISCOUNTRATEType:CONCEPTSIftheprojectbetaandIRRcoordinatesplotabovetheSMLtheprojectshouldbe:Aaccepted.rejected.Itisimpossibletotell.ItwilldependontheNPV.Noneoftheabove.Difficultylevel:MediumTopic:SECURITYMARKETLINEType:CONCEPTSThebetaofasecurityprovidesan:estimateofth、emarketriskpremium.estimateoftheslopeoftheCapitalMarketLine.estimateoftheslopeoftheSecurityMarketLine.estimateofthesystematicriskofthesecurity.Noneoftheabove.Difficultylevel:EasyTopic:BETAType:CONCEPTSRegressionanalysiscanbeusedtoestimate:beta.therisk-freerate.standarddeviation.variance.expectedretu

细胞外液的主要阴离子是

A.Pr