Unit 3 At the zoo教学设计教学目标:学习单词tall, short, fat, thin. 学习句子Its so tall. Its short and fat.教学重点:熟练掌握单词和句子,运用到生活中。教学难点:运用所学单词和句子来描述动物特征。教学准备:课件,录音机,磁带,单词卡片Step1: Warm-up1: Greeting2: Lets chantLets learn Step2: PresentationLets learnPresentationT: Do you like animals? Yes or no? (展示动物园门口的照片) Ss: Yes. T: Today we are going to go to the zoo to see some animals. Lets learn unit 3 At the zoo(板书)T: What animals do you know? Ss: T: Ok, lets look at pictur