A.身高突增是青春期的一个显著特点,因此要多吃含钙和脂肪的食物 |
B.血库备有类型和数量齐全的血液,医生应给某血型为O的需血伤员输入AB型血 |
C.血常规检查时,白细胞含量高于正常值可以作为人体有炎症的依据 |
D.遇到大静脉出血,应尽快拨打120急救电话,同时在伤口近心端压迫止血 |
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