A.家庭小药箱内的药物要定期检查和更换,避免失去药效或过期 |
B.无论是处方药还是非处方药,在使用之前都应该仔细阅读药品说明书 |
C.某人上臂受伤,从伤口处流出的血液呈暗红色,可指压近心端止血 |
D.生活中急需医疗救护时,要尽快拨打“120”急救电话,并说明地址及受伤情况等 |
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