Unit 2 How Are You?陕西旅游版 三年级上册 Part B Let's learn & Say and match & Let's chantT:Hello,boys and girls. Ss: Hello，... T:Ah, who is this? S2? S3?Ss: S1． T: Hello, S1. How are you?Sl: I'm fine. Thank you. T: Nice to meet you. S1: Me, too.