治疗气虚型心悸的组穴首选()
A.尺泽、丰隆、肺俞、郄门
B.膈俞、脾俞、足三里、神堂
C.厥阴俞、肝俞、肾俞、太溪
D.心俞、巨阙、间使、关元
E.曲泽、少海、气海、血海
参考答案:D
— Tom is never late for work. Why is he absent today?
— Something _____ to him. [ ]
A. must happen
B. should have happened
C. could have happened
D. must have happened
相对过剩人口