人教新起点版小学英语三年级上册Lesson 4Unit 4 朗读本课单词三遍,使用“学乐师生” APP 录音,然后与全班同学分享。导入新课Unit 4 lesson 4《 Pets 》新课学习0123456789dog(s)bird(s)mouserabbit(s)class1class2class3新课学习How many children in class1 have dog?Three children have dogs.How many children in class1 ha...