[00:00.00]Unit 3 第三单元 I'm 6. [00:07.73]Activity 1 活动一 Listen and point. [00:19.91]Hi,I am five.Hello,I am ten. [00:28.40]Good morning,I am six.I am Wanwan.I am seven. [00:36.91]Hi,I am three.Hello,I am eight.