Module4 Planes,ships and trainsUnit 1 重点短语 1. an accident 一次事故 a road accident 道路交通事故 2. how often多久一次(用频度副词来回答) how soon多久以后(用in+一段时间提问,一般是一般将来时) how far 多远(提问路程多远) how long多久、多长 3. take part in 参加 4. close to 靠近、接近 far (away) from 远离、离.远 5. much heavy traffic 交通拥堵、拥挤 6. except sb. 除了某人 as much as 与一样多 7. the same as 与.一样be different from 与.不同 8. 别担心 dont worry 9. take thea bus =by bus 乘公共汽车take a taxi= by taxi 乘出租车take a plane