压力蒸汽灭菌必须每锅进行的监测（）
A.工艺监测
B.化学监测
C.生物监测
D.日常监测
E.强度监测
参考答案：A
The old man walked in the street, _____. [ ]
A. followed by his son
B. followed his son
C. and following his son
D. and followed by his son
患儿18个月，2～3天发热，下颌有2个淋巴结肿大疼痛，服抗生素后，症状好转，可能的诊断是
A．传染性单核细胞增多症
B．风疹
C．病毒相关性吞噬血细胞综合征
D．结核病
E．急性淋巴结炎
