A.遇到突然溺水者,急救时采用最常用的人工呼吸法是口对口吹气法 |
B.发现煤气中毒时,立即关闭气源,并打开门窗通风 |
C.心肺复苏,先做30次心脏按压,并保持气道畅通,再做2次人工呼吸,如此交替反复进行 |
D.被毒蛇咬伤的病人,立即用绷带缚扎远心端 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2