【分析解答题】

根据题目要求完成-FN任务，用中文作答。  32．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? 

请根据所给材料回答下列3个问题。 
(1)这是课堂教学的哪一个环节?(6分)
(2)该教师使用了哪些教学手段，分别达到什么教学目的?(12分)
(3)根据这一教学片段，教师在课堂互动中应注意哪些问题?(12分)