4、状态teacher ['tiːtʃə]mother ['mʌðə]3、[ʌ]发音时舌端和舌尖两侧轻触下齿,舌后部靠前部分轻抬起;唇形稍扁,开口度较大,与[æ]相似。bus [bʌs]cut [kʌt]sun[sʌn]太阳duck[dʌk]鸭子4、[a:]发音时口张大,舌身压低并后缩,后舌稍隆起,舌尖不抵下齿,双唇稍收圆。class[klɑ:s]班级car[kɑː]小车father['fɑːðə]父亲练习:一、用be动词适当的词填空。1. I ________ from China. 2. She _______ a student. 3.I________
5、_beautiful.4.You ______ from America.5.It_____ a dog.7. She ___ a teacher. 8. I ___ a girl.9. He ___ a handsomeboy.10.They ___ myparents.二、单词填空。1.Niceto__________(遇见,见到)you.2.---What’s______(这)?---It’sa_______(狗).3._______(看)atme.4.______(她的)nameisMary.5. ______(什么) is your phone