血浆蛋白的主要功能有()
A.对酸碱有缓冲作用
B.维持血浆胶体渗透压
C.免疫作用
D.参与多种物质的运输
E.凝血与抗凝血作用
参考答案:A, B, C, D, E
The students __________ loudly when the teacher came in.[ ]
A. talked
B. talking
C. were talking
D. to talk
血液透析液温度常设定为()左右,腹膜透析液的温度以()适宜。