答案：C
I often get up ______ seven o'clock.
A. at
B. in
C. on
治以益气养阴，活血通络的是
A．胸闷痛气短，心悸汗出，畏寒肢冷，腰酸乏力B．胸部刺痛，固定不移，入夜尤甚，心悸不宁C．心痛彻背，背痛彻心，痛剧无休止，身寒肢冷D．胸闷痛如窒，痛引肩背，肢体沉重，痰多E．胸闷隐痛，时作时止，心悸气短，倦怠懒言
