【单选题】
Ⅱ型消防安全吊带为全身式安全吊带。___（易）
A. 正确
B. 错误
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答案
B
解析
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【单选题】
胸外心脏按压训练的方法是双手掌根重叠，十指相扣，掌心翘起，手指离开胸壁，上半身前倾，双臂伸直，垂直向下用力、有节奏地按压40次，下压深度（成人）4～5cm，按压频率120次/分钟，按压与放松的时间相等。___（难）
A. 正确
B. 错误
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