体重70ks的肝硬化失代偿病人,为保持血清白蛋白稳定,须每天补充多少白蛋白()
A.8.4g
B.84g
C.8.2g
D.60g
E.6g
参考答案:A
(2013·河南豫西五校质量检测)The text is too difficult. The explanation of our teacher will help make it easy ________.
A.to understand
B.to be understood
C.understood
D.understanding
什么是计量检定?组织计量检定的原则是什么?