房性期前收缩药物治疗首选()
A.β-受体阻滞剂
B.普罗帕酮
C.胺碘酮
D.洋地黄
E.利多卡因
参考答案:A
He was told that it would be at least three more months _____ he could recover and return to work.
A.when
B.since
C.before
D.that
国内人民币委托代付业务纳入中国人民银行对申请人的统一授信管理,占用中国人民银行信贷资产。