热甚动风证(以羚角钩藤汤加减治疗)的治法是
A.清热养阴,化痰止痉B.清热活血,通窍止痉C.清热解毒,凉血活血D.清热解毒,凉血熄风E.滋阴潜阳,熄风止痉
参考答案:D
The underlined word "fragile" in the last paragraph is closest in meaning to ______.
A.inefficient
B.easily broken
C.poorly planned
D.involuntary
已知常温时红磷比白磷稳定,在下列反应中:
4P(白磷,s)+5O2(g)====2P2O5(s);△H=-a kJ/mol
4P(红磷,s)+5O2(g)====2P2O5(s);△H=-b kJ/mol
若a、b均大于零,则a和b的关系为 [ ]
A.a<b
B.a=b
C.a>b
D.无法确定