Unit 2 ColoursLesson1(1,2) Aims and demands:In this lesson the children learn to say:1. The words of colours: red, orange, green, yellow, pink, white, blue, black, purple2. The sentences: I like What a rainbow.3. Sing the song: The rainbowTeaching Important and Difficult Points:Ss can remember the target words and the new word purpleTeaching Aids: A tape recorder; The word cards and pictures of colours; Teaching Process:Step 1: Warming up / Review. 1.Greetings: G