None would have dreamed of there _____ such a beautiful place.
A.being
B.be
C.to be
D.is
答案:A
下列哪种抗菌药在肾功能减退时应慎用或禁用:
A.阿莫西林
B.利福平
C.克拉霉素
D.阿米卡星
E.红霉素
成熟红细胞主要以糖酵解供能的原因是
A.缺氧
B.缺少TPP
C.缺少辅酶A
D.缺少线粒体
E.缺少微粒体