敏感性分析的计算指标包括（）。
A．敏感度系数
B．内部收益率
C．基准收益率
D．临界点
E．净现值
参考答案：A, D
She thought I was talking about her daughter，________，in fact，I was talking about my daughter.
A．whom
B．where
C．which
D．while
简述我国中小学常用的教学方法。
