微课主题：these 和 those的区别和用法教学对象：三年级学生教学目标：1. 全体理解：these 、those、What are these? What are those?2. 全体会运用：these 、those3. 全体会读：these 、those4. 全体会认：these 、those5. 全体能听懂能说：What are these? What are those?教学过程：1. 先会说会区分this和that的用法2. 接着认识these和those3. 根据图片会区分并运用What are these? What are those?来提问并回答。4. 听录音回答What are these? What are those?5. Listen and repeat6. 最后拓展练习，加强巩固。实施思路：通过简短的微课视频，让学生区分What are these? What are those?。
