题目内容

乙型肝炎病毒的抵抗力很强，哪种方法可使其灭活（）

A. 居室通风
B. 酒精消毒
C. 肥皂水洗涤
D. 2%来苏儿浸泡
E. 煮沸15分钟

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Too much excess air is （）because the heat generated is being lost through the exhaust trunking instead of being made used of in heating the water to produce steam.

A. not good
B. good
C. better
D. the best

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