一、Listen and number. 交通安全无小事，安全意识要加强。请听一听交通规则，并用 1—5 为它们排序。
() Slow down and stop at a yellow light.
() In China, you must look left first when you cross the road.
() The traffic lights are green, yellow and red.
() You can go at a green light. You must stop at a red light.
() If you take a ferry, you must wear a life jacket.

5 1 3 4 2

二、Read and judge. 同学们，交通安全无小事，交通安全知识要牢记，特别是关于红绿灯的常识。请读一读，判断下列句子的正(√)误(×)。
1 The traffic lights are red, yellow and green. ()
2 Slow down and stop at a yellow light. ()
3 We can go at a red light. ()
4 When the light is yellow, we must run. ()

1.√ 2.√ 3.× 4.×