Fire safety tips for families
These fire safety tips are very
(1) Have a home fire-escape plan (火灾逃生图) with two ways out of each room.
(2) Choose an outside meeting place. So everyone knows where to go safely.
(3) Have smoke alarms inside each bedroom and outside each sleeping area.
(4) Test your smoke alarms at least
(5) Have a family fire drill (演习) twice a year.
(6) Keep
(7) If there’s thick smoke, you should know you must
(8) If your clothes are on fire, first stop, then drop, and roll.
(9) Don’t forget to
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同类型试题
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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
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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
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