急性肾功能衰竭少尿是指成人24小时尿量小于（）
A.200ml
B.300ml
C.400ml
D.500ml
E.600ml
参考答案：C
He asked his father . [ ]
A. where it happens
B. what was happen
C. how it happened
早期胃癌是指癌灶直径小于5mm的癌。()
