Unit 4 Then and now Part A教学内容Let’s learn, Find the mistakes, Let’s try, Let’s talk教学目标【知识目标】1. 四会词汇：dining hall, grass, gym, ago2. 三会词汇：star, easy, look up, Internet3. 重点句型：(1)There was no gym in my school twenty years ago.(2)There were no computers or Inter...
