题目内容：
设计任务：请阅读下面学生信息和语言素材，设计一节英语阅读课教学方案。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：45分钟?
学生概况：某城镇普通中学高中一年级第二学期学生，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：?
The trick of eating healthily is remembering that no food in itself is good or bad; eating properly depends on eating the right variety of food in the right amount. Too much of even the most"healthy" food can lead to illness and disorders.
If you like a snack, avoid chocolate and crisps and head for fruit, filled rolls, soup and baked potatoes instead. Sugar-free breakfast cereals are also a good bet.
答案解析：