"Ms. Macleod herself is not untouched by controversy" in Paragraph Three refers to______.
A. she was suspected to be involved in bribery
B. she framed Mrs. Keen for political purposes
C. she got funds from Conservative headquarters
D. she got money in an improper way
查看答案
适用于消毒及不耐高热制剂的湿热灭菌方法是
A. 热压灭菌法
B. 流通蒸汽灭菌法
C. 煮沸灭菌法
D. 低温间歇灭菌法
E. 以上均不正确
下列关于湿热灭菌的影响因素,正确的叙述是
A. 蛋白、糖类能增加微生物的抗热性
B. 过热蒸汽穿透力强,热含量高,灭菌效果好
C. 灭菌效果与最初染菌数无关
D. 一般微生物在酸性溶液中的耐热性比在碱性溶液中大
E. 灭菌效果最可靠
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