丙级价格评估机构资质认定由()负责初审和审批。
A.价格认证中心
B.国家级人民政府价格主管部门
C.省级人民政府价格主管部门
D.国家发展改革委
参考答案:C
腰麻后尿潴留可用()
A.地西泮
B.肾上腺素
C.麻黄素
D.卡巴胆碱
E.右旋糖酐
Never before ______ in greater need of patience and courage than today.[ ]
A. have you been
B. you have been
C. were you
D. you were