第三课时一、认识traffic lights，连一连。A.B.C.1. Go.2. Stop and wait.3. Slow down and stop.二、按要求分类。A. red B. bus C. stop D. wait E. plane F. yellow G. train I. green J. slow down1. 交通灯颜色 2. 交通灯含义 3. 交通工具三、看图，选词填空。1.（Go/Wait）_ at a green light.2. Look at the _（traffic rules/traffic lights）.3.（Stop and wait/Wait）_ at a red light.4.（Slow down and stop/Go）_ at a yellow light.答案一、1. C 2. A 3. B二、1. AFI 2. CDHJ 3. BEG三、1. Go 2. traffic lights 3. Stop and wait 4. Slow down and stop