社会发展指标ASHA与以下哪一个指标成反比
A．就业率
B．出生率
C．成人识字率
D．平均寿命
E．国民经济年均增长率
参考答案：B
苗族服饰色泽艳丽、对比鲜明，一般均为哪五种颜色？
When computing the yield to maturity, the implicit reinvestment assumption is that the interest payments are reinvested at the:（）
A. prevailing yield to maturity at the time interest payments are received.
B. yield to maturity at the time of the investment.
C. current yield.
