第17题: [单项选择]L3型急性淋巴细胞白血病的细胞学特征是 A. 小细胞为主,大小较一致 B. 核染色质较粗,每例结构较一致 C. 大细胞为主,大小较一致 D. 胞质量较少 E. 胞质嗜碱性轻或中度 参考答案:C
第18题: [单项选择]If a stock is selling for $25, the exercise price of a put option on that stock is $20, and the time to expiration of the option is 90 days, the minimum and maximum prices for the put today are : 参考答案:B 答案解析:You know that the minimum value is zero, so this narrows the answer down to two choices. You also kn
第19题: [单项选择]Pt,指标的判别标准是:当( )时,项目可行。 A. Pt≤n B. Pt≥n C. Pt≥Pc D. Pt≤Pc 参考答案:D