在化学反应aC2H6+bO2═mCO2+nH2O中,各化学式系数之间关系正确的是( )
A.a=3m
B.m=2a
C.n=3a
D.2b=m+n
BC
_____ to caring for the poor, Mother Teresa is greatly respected throughout the world. [ ]
A. Devoting
B. Being devoted
C. Having devoted
D. Devoted
理中汤的药物组成为()。
A.党参、黄芪、白术、白芍
B.党参、干姜、白术、炙甘草
C.党参、黄芪、白术、炙甘草
D.党参、茯苓、白术、炙甘草
E.党参、干姜、茯苓、炙甘草