设计任务：请阅读下面学生信息和语言素材，设计 20 分钟的写作教学方案。教案没有固定格式，但须包含下列要点：
~ teaching objectives
~ teaching contents
~ key and difficult points
~ major steps and time allocation
~ activities and justifications
教学时间：20 分钟
学生概况：某城镇普通高中一年级第一学期学生，班级人数 40 人。多数学生已经达到《普通高中英语课程标准(实验)》五级水平。学生课堂参与积极性一般。
语言素材：
WRITING
(①) Read the short essay and discuss.
We can learn all we need on the Internet
I agree with this idea, especially on the subject of learning English. In my class, there are 45 students,
and our English lessons last for 50 minutes. That means that we each have one minute of our teacher's
time! Our English teacher is excellent, but she can't help everyone in the class in 50 minutes.
It would be much better if we spend the time working on a computer. There are 45
computers in our school, so we could do that if we work independently, we can learn much more. And we can learn about the subjects that we are interested in.
(②) Write a paragraph giving the opposite view