Unit 4 Then and now单元教学目标能力目标：1. 学习描述过去和现在不同的句型:There was no library in my old school. Tell us about your school, please. How do you know that? There were no computers or Internet in my time. Before, I was quiet. Now, Im very active in class. I was short, so I couldnt ride my bike well. Now, I go cycling every day.2. 能掌握四会单词及词组：dining hall, grass, gym, ago, cycling, go cycling, ice-skating, badminton.3. 能听、说、认读单词或词组: star, easy, look up, Internet, different, active, race, nothing, th
