[单项选择]体力和心肺功能尚好者,运动时适宜心率的计算公式为() A. 静息时心率+(按年龄预计的最高心率-静息时心率)×30% B. 静息时心率+(按年龄预计的最高心率-静息时心率)×40% C. 静息时心率+(按年龄预计的最高心率-静息时心率)×50% D. 静息时心率+(按年龄预计的最高心率-静息时心率)×60% E. 静息时心率+(按年龄预计的最高心率-静息时心率)×70%
第14题:[单选题] Banks providing depositors with checking accounts that enable them to pay their bills easily is known as A. liquidity services. B. asset transformation. C. risk sharing. D. transaction costs. 参考答案:A