根据这一教学片段，教师在课堂互动中应注意哪些问题?
根据题目要求完成下列任务，用中文作答。 下面是某教师的课堂教学片段: T: Now please look at this picture. What's it? S: It is a camera. T: Is it a camera? No， it just looks like a camera. In fact， it's a cake! Ss: Wow... T: Do you think it is interesting? Ss: Yes. T: For me I think it's creative and special. Here， "creative" means有创造力的，创新的; and "special" means特殊的，特别的. Now please read after me. Creative↗， creative↘; special↗ ，special↘ (While speaking，the teacher writes the two words on the blackboard.) T: Do you like this gift? Ss: Yes. T: Well， I like it very much. A special gift is often interesting，popular and creative. 
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