属于窄谱抗生素的是（）
A.阿莫西林
B.头孢克洛
C.万古霉素
D.链霉素
E.左氧氟沙星
参考答案：C
His parents wouldn't let him marry anyone ________ family was poor.
A．of whom
B．whom
C．of whose
D．whose
运用战术性资金配置的前提条件是资产管理人能够准确地预测市场变化并能够有效实施战术性资产配置的投资方案。 ( )
