根据题目要求完成下列任务，用中文作答。以下是某堂课的教学材料：?Betty: Hi Mum, can you hear me?Mum: Yes, I can. Where are you?Betty: I'm standing on the Great Wall of China and talking to you.Mum: Really?Betty: We're on a school trip and we've having lunch. And we're lying in the sun and we'retaking lots of photos.Mum: That's great, Betty. What are the others doing?Betty: Well, Tony is eating an ice cream, and Lucy is buying some presents and postcards.And Tom is eating lunch and lying in the sun.Mum: Can you send me a post card?Betty: Yes. Lucy and I are writing postcards. We're enjoying the school trip a lot. Anyway,we're going home now. Bye!Mum: Bye bye, Betty!根据材料内容回答以下三个问题。(1)这份材料属于哪种语篇类型?(7分)(2)这份材料适合于哪种课堂教学?说明理由(至少写出两个要点)。(8分)(3)分析教师选用文本材料时需要考虑的基本要素(至少写出三个要点)。(15分)

相关标签： 课堂教学