根据题目要求完成下列任务。用中文作答。 下面是某初中教师在教学一篇有关职业的课文前的活动片段。 (上课铃响，教师先让学生听一首英文歌曲，然后进行下列活动) T: How do you like this song Do you know the name of this song S1: Sorry, I don′ t know. T: It′s OK. Does anybody know the name of this singer S2: His name is Robbie Williams. T: Exactly, Do you know the name of the song S2: A Better Man. T: Excellent! It′ s A Better Man. Hum, we don′ t know much about him, but he is a singer. Well, Lily, would you like to be a singer in the future S3: No. T: What would you like to be S3: I want to be a doctor. T: (To $4) What would you like to be S4: I want to be a teacher. …(该活动持续10分钟) 根据上面的信息．从下面三个方面作答： (1)指出该教学活动的环节、目的和注意事项。 (2)简析教师的设计意图与方法。 (3)指出该教学活动片段存在的问题。