Unit 10 what color is it ?Grade 2 Ⅰ、Warm-up 1.Sing a song:http://www.61baobao.com/tingerge/6598/ “Rain, rain go away” 2. Self-introductionⅡ、Revision1.Checking homework.2.Unit7-unit9 words and textsorangepearcucumbersmushroomcarrotpotatoKivi-fruittomatoeggplantscauliflowerpineapplewatermelonstrawberryonionsbananalemon cabbagebeanspepperappleSentences:Is it a pear? Yes ,it is. /No, it isn’t.Is this a pineapple? &nbs..