消毒合格是指在医院消毒中消毒后媒介物携带的微生物（）国家规定的标准。
A.等于
B.少于
C.等于、少于
D.多于
参考答案：C
Jack described his father，who ________ a brave boy many years ago，as a strong－willed man.
A．would be
B．would have been
C．must be
D．must have been
狭义金融创新主要指（）创新。
A.金融工具与业务
B.金融市场
C.金融机构
D.金融政策
