2019年CFA考试《CFA一级》考试共240题，分为单选题。小编每天为您准备了5道每日一练题目（附答案解析），一步一步陪你备考，每一次练习的成功，都会淋漓尽致的反映在分数上。一起加油前行。

1、A sample of 240 managed portfolios has a mean annual return of 0.11 and a standard deviation of returns of 0.23. The estimate of the standard error of the sample mean is closest to:【单选题】

A.0.00096.

B.0.00710.

C.0.01485.

正确答案:C

答案解析:“Sampling and Estimation,” Richard A. DeFusco, CFA, Dennis W. McLeavey, CFA, Jerald E. Pinto, CFA, and David E. Runkle, CFA2013 Modular Level I, Vol. 1, Reading 10, Section 3.1Study Session 3– 10– fCalculate and interpret the standard error of the sample mean.C is correct.For a sample, the standard error of the mean is Here, 

2、George Soros, CFA, is a private lender in a local bank.Soros will lend moneyat a stated annual rate of 10% and compounded continuously.The principal andinterest are paid at the end of the loan term.If Soros will lend ￥ 20 000 000 for200 days, based on 365 days in a year, the amount due at the end of the loanterm is closest to:【单选题】

A.￥ 21 095 890

B.￥ 21 126 471

C.￥ 21 142 555

正确答案:B

答案解析:连续复利的计算如下：20 000 000 ×  = 21 126 471 ( ￥ )。

3、An analyst does research about redeemed bonds.A company issues bonds at adiscount, and reports their amortized historical cost.The company redeems thebonds before maturity, when they are trading at a premium.Which of the followingstatements is most accurate?【单选题】

A.Bonds payable is reduced by the amount of the bonds' market value.

B.Bonds payable is increased by the amount of the bonds' face value.

C.Bonds payable is reduced by the amount of the bonds' carrying value.

正确答案:C

答案解析:根据规定：应付债务减少额度与已赎回债务的账面价值(carrying value)有关。

4、For a 90-day US Treasury bill selling at a discount, which of the following methods most likely resultsin the highest yield?【单选题】

A.Money market yield (MMY)

B.Bond equivalent yield (BEY)

C.Discount-basis yield (DBY)

正确答案:B

答案解析:The face value is greater than the purchase price because the T-bill sells at a discount.Section 4.1.1

5、In a strategic asset allocation, assets within a specific asset class are least likely to have:【单选题】

A.low paired correlations.

B.low correlations with other asset classes.

C.similar risk and return expectations.

正确答案:A

答案解析:In a strategic asset allocation, assets within a specific asset class have high paired correlations andlow correlations with other asset classes.Section 3.2