1. [单选题]下列哪些灭火方式采用的是窒息法?
A. 石棉毯
B. 湿麻袋
C. 泡沫
D. 以上都是
2. [单选题]发现鲨鱼临近时,采用不正确的行动是:
A. 制造强刺激
B. 施放驱鲨剂
C. 用刀攻击
3. [单选题]The first requirement for logical troubleshooting of any system is the ability to
A. collect all available data on a casualty
B. recognize normal operation
C. identify the probable cause of a symptom
D. isolate the faulty component