以下片段选自某节英语课堂教学实录,阅读并回答问题。 T: ... You all have finished the writing about how to protect our environment, right Ok,now, it′s time to check in terms of the grammar, punctuation point and spelling. S: (checking time) T: Ok, now, who would like to share your papers Anna: ... We shouldn′ t throw rubbish everywhere ... T: Your ideas are a little shallow, and the organization is a little disordered. 根据上面的教学片段回答下面三个问题: (1)该片段呈现的是英语教学的什么课型它属于该课型的哪个阶段 (2)这节课的教学重难点是什么 (3)分析该教师在这一阶段存在的主要问题,并提出相应的改进建议。