乳酸/丙酮酸比率大于35时,提示()
A.高乳酸血症
B.肌肉瘤
C.糖异生缺陷
D.线粒体功能缺陷
E.细胞内缺氧
参考答案:E
The hospital _______ will have been completed by the end of this year. [ ]
A. to build
B. having built
C. built
D. being built
当次生壁形成时,次生壁上具有一些中断的部分,这些部分也就是初生壁完全不被次生壁覆盖的区域,称为(),它一般分为()和()两种类型。