耳、肾毒性最低的氨基糖苷类药物是()
A.卡那霉素
B.庆大霉素
C.西索米星
D.奈替米星
E.新霉素
参考答案:D
--- _______ is the weather _______ Shanghai?
--- It is dry.
A.How, about
B.what, in
C.How, in
D.What about
夏枯草的主要功效是()。
A.清心
B.清肺
C.清肝
D.清胃
E.清小肠