虚里搏动迟弱者是（）。
A.宗气内虚
B.饮停心包
C.心阳不足
D.宗气不守
E.心肺气绝
参考答案：C
Next week, _____ the students will have a basketball game. [ ]
A. may be
B. may
C. maybe
D. can
物镜调焦应该注意哪些方面？
