A.口對口人工呼吸 B.口對鼻人工呼吸 C.胸外按壓 D.心肺復蘇
A.1% B.2% C.3% D.5%
A.10.5~12.5 B.12.5~16.5 C.16.5~19.5 D.19.5~23.5