改良直接抗人球蛋白试验是测定母亲红细胞上结合的血型抗体。()
参考答案:错
— Why was our foreign expert unhappy yesterday?
— News about the earthquake in Japan _______ a feeling of homesickness. [ ]
A. set up
B. set out
C. set about
D. set off
检验批合格质量应符合哪些规定?