traffic lights,Red light, red light, stop, stop, stop,Yellow light, yellow light, wait, wait, wait,Green light, green light, go, go, go,Unit 7 Be Careful,Learning aims I can master “Lets learn more” fluently. (能听懂,并能流利地朗读、表演对话。) 2. I can use the sentences about traffic fluently. (能熟练运用有关交通方面的句子。,Guide One,Please look at the pictures and listen to the tape carefully. Then try to answer some questions,请看图片,仔细听录音。然后尝试回答所给问题。,5 minutes,Picture 1,What color is the light? Can they go or cross? Whats t