试述语言规范化和语言发展的关系。

下列教学片段选自某高中课堂实录，阅读后回答问题。
T: Today we are going to talk about “travelling". Mike, have you ever traveled?
M: Yes, I have ever been to Beijing.
T: When did you go there?
M: Last summer.
T: How did you go there?
M: We went there by bus.
T: Why did you go there by bus?
M: Because it isn ' t too far away from here and it ' s very convenient to go there by bus.
T: Good. How about you? Li Ming, have you ever travelled?
L: Yes, I have been to Hainan last winter vacation.
T: How did you go there?
L: I went there by plane.
T: Why?
L: Because it ' s too far from here and we can save lots of time by going there by plane.
Ask more students like this.
根据上面所给信息，回答下面三个问题：
(l)该片段反映了教学中哪个环节？
(2)分析该教学环节的目的。
(3)从教学有效性角度评析这个片段。

期待视野

前馈控制（大连理工；河北大学；浙大；大连理工；华南理工；北科；中山大学；东财）

论述高校思想政治教育队伍建设的内容及加强学生思想政治教育队伍的措施。

论述埃及社会动员型新闻传播业体制的形成。

版位（暨南大学）

患者，女，21岁 。恶寒、发热2天。

要求：请围绕以上主诉，口述该患者现病史及相关病史应询问的内容。

濯缨水阁中有对联"曾三颜四，禹寸陶分”，引用了哪四个典故?

盈亏平衡分析法（陕西师范大学2015年研；首都师范大学2009年研）、盈亏平衡分析（中山大学2016年研）

社会主义市场经济体制的提出，对我国新闻事业产生了哪些深刻影响？（兰州大学）