[单项选择]If given the standard deviations of the returns of two assets and the correlation between the two assets, which of the following would an analyst NOT necessarily be able to derive from these The:（）
A. covariance between the returns.
B. expected returns.
C. variance of each return.

[单项选择]A Country’s Standard of Living The "standard of living" of any country means the average person’s share of the goods and services the country produces. A country’s standard of living, _____(51), depends on its capacity to produce wealth. "Wealth"_____(52) this sense is not money, for we do riot live on money_____(53) on things that money can buy: "goods" such as food and clothing, and "services" such as transport and entertainment. A country’s capacity to produce wealth depends upon many factors, most of_____(54) have an effect on one another. Wealth depends_____(55) a great extent upon a country’s natural resources. Some regions of the world are well supplied with coal and minerals, and have fertile (肥沃的) soil and a favorable climate; other regions possess none of them. Next to natural resources_____(56) the ability to turn them to use. China is perhaps as well-off_____(57) the USA in natural resources, but suffered for many years from civil and external wars, and___
A. by
B. on
C. in
D. with

[单项选择]Despite insecure returns the ranchers raise cattle because
A. they like investments
B. they like challenges
C. they like the job
D. they like the rural area

[单项选择]Will the covariance of returns for two common stocks be negative if the actual returns on both stocks tend to be: Above their expected returns Below their expected returns at the same time at the same time （）
A. No No
B. No Yes
C. Yes No

[填空题]When was this lecture given

[单项选择]What prize will be given
A. A top salesperson award
B. A vacation package
C. A free laptop
D. A $500 gift card

[单项选择]An analyst takes a sample of yearly returns of aggressive growth funds resulting in the following data set: 25, 15, 35, 45, and 55. What are the range, mean absolute deviation (MAD), and sample variance of the data set range MAD variance（）①A. 20 12 250 ②B. 25 60 1000 ③C. 40 12 250
A. ①
B. ②
C. ③

[填空题]When my brother returns from Australia, he (bring)（）each of us a present.

[单项选择]
Has the father given up smoking

[简答题]买保险 type: standard

[单项选择]A 2-year-old client returns from surgery after a bowel resection as a result of Hirschsprung’s disease. A temporary colostomy is in place. Which immediate postoperative nursing intervention takes priority
A. Changing the surgical dressing.
B. Suctioning the nasopharynx frequently to remove secretions.
C. Irrigating the colostomy with 100 ml of normal saline solution.
D. Auscultating lung sounds.