表1
>血液酒精浓度M=呼气酒精浓度K×2200 >非酒驾(M<20mg/100mL) 酒驾(20mg/100mL≤M≤80mg/100mL) 醉驾(M>80mg/100mL) |
A.当呼气酒精浓度增加时,电流表的示数变大 |
B.对检测仪“调零”时,R2接入电路的电阻为10Ω |
C.检测时,当电流表示数为0.15A时,司机属于非酒驾 |
D.检测时,若电流表示数为0.3A,司机属于醉驾 |
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