清洗后的餐具可用多大浓度的过氧乙酸浸泡5~10分钟,就可消毒()
A.100mg/L
B.200mg/L
C.300mg/L
D.400mg/L
E.500mg/L
参考答案:E
— I'd like to have a piece of bread and two eggs.
— Anything ______?[ ]
A. following
B. followed
C. to follow
D. to be followed
可用于红细胞系统疾病诊断与鉴别诊断的细胞化学染色是
A.POX
B.PAS
C.NAP
D.AS-D-NCE
E.ACP