K Kapnula
👤
💨
课程 4 · 年级 10+

Smoke — the silent killer: surviving the first minutes

📖 课程 ──▶ 🎯 测验——选择翻译 ──▶ ✅ 本课已完成

90% of fire victims die from smoke, not flames: CO kills in 3–4 breaths, hot air burns lungs, plastics release cyanides. Smoke rises — clean air is at the floor. Rules: crawl low (on all fours!), cover mouth with wet cloth, NO lift, close doors behind you (30+ min smoke barrier), breathe through wet clothing. A €10 smoke alarm saves nights — mandatory in bedroom and hallway.

💨 Smoke rises ~4 m/s — faster than a runner. 60 seconds after ignition the stairway may be impassable: know your escape route by heart.
🎯
测验一下吧!
用练习巩固主题——就像课后练习
测验——选择翻译 → 🖨 练习纸
← 上一课 下一课 →
⛅ 15° Potsdam 💨 14 km/h
💶 EUR 🇺🇸 1.12 USD 🇷🇺 93.71 RUB 🇵🇱 4.37 PLN 🇺🇦 50.44 UAH EZB · daily
⛽ Fuel E5 2.129€ E10 2.069€ Diesel 2.169€ Potsdam · tankerkönig.de