下列哪个是显影液的抑制剂（）
A.KBr
B.Na2SO3
C.Na2CO3
D.Na2S2O3
E.CH2COOH
参考答案：A
Where _____ you born? I _____ born in Wuhan.
A. was, were
B. were, was
C. were, were
D. was, was
处于抵御化脓性细菌入侵第一线的细胞是( )
A．中性粒细胞B．嗜碱性粒细胞C．嗜酸性粒细胞D．淋巴细胞E．血小板
