设计任务：请阅读下面学生信息和语言素材．设计一个20分钟的英语写前准备活动。
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：某城镇普通中学高中二年级第一学期学生，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)》六级水平。学生课堂参与积极性一般。
语言素材：
A personal essay is a short piece of writing that tells about a personal experience or something about a person′ s life.
Here is an example of a personal essay.
 
You can write about nearly any personal topic using a format like this. The student′s essay in the Reading also used this same plan.