Unit 2 This is my sister.Section A( 2d—3c )Learning Goals:一、Key words:have;who;day;well;bye;二、Main sentences:1.Who’s she?2.Well, have a good day.3.Who’re they?4.Thanks. You, too.三、Introduce family members in English.Teaching and learning stepsStep 1 Warming-up and revision1. Daily greetings to the studentsT: Good morning/afternoon, boys and girls! S: Good morning/afternoon, Mr./Mrs. …T: Nice to meet you!S: Nice to meet you, too!T: How are y..