参与辅酶Ⅱ组成的是()
A.VitA
B.VitC
C.β胡萝卜素
D.烟酸
E.VitK
参考答案:D
HRV时域分析中最常用的指标是()。
A.SDANN
B.SDNN
C.pNN50
D.RMSSD
E.TINN
--Harry! Some friends of mine will come here tomorrow. Would you mind
cleaning your room ?
---__________ [ ]
A. Sure.
B. Not at all.
C. Certainlv.
D. Yes.