由于信息不对称，市场一方不能观察到另一方的行动，则另一方就可能采取不利于对方的行动，

鼠疫的微生物学检查所采取的标本不包括（）

A.淋巴结穿刺液

B.痰

C.血液

D.粪便

E.尸体肝、脾、肺组织

新航空燃油税从2012年2月14日开始征收，燃油税“燃”来好处之一节能减排，抑制燃油不合理消费。下列说法错误的是

A．石油的裂解是生产乙烯的主要方法

B．裂化汽油可以用于萃取溴水中的溴

C．使用乙醇汽油，可以改善城市的空气质量

D．石油在加热和催化剂作用下，可得到苯、甲苯等芳香烃

文化对人的影响具有潜移默化的特点。下列诗词的寓意符合这一特点的是（    ）

A．忽如一夜春风来，千树万树梨花开

B．少小离家老大回，乡音无改鬓毛衰

C．海上生明月，天涯共此时

D．随风潜入夜，润物细无声

人员管理计划是什么？

A well-diversified investor holds an equal investment in cash of the equity shares of Meyer, Inc., Johnson, Inc., and Fairfax Enterprises. The three companies operate in the same industry and will benefit equally from a favorable decision in a pending court case. The investor concludes that the current stock prices for Meyer and Johnson each reflect a 50 percent probability that the decision will be favorable to the industry, while the current stock price for Fairfax reflects a 70 percent probability that the decision will be favorable. The most. appropriate strategy for the investor is to:

A. sell Fairfax shares and use the proceeds to purchase additional shares in Meyer and Johnson.
B. sell both Meyer and Johnson shares and use the proceeds to purchase additional shares in Fairfax.
C. reallocate the investment in the industry to 15 percent in Meyer, 15 percent in Johnson, and 70 percent in Fairfax.