单 元：unit 2 language
板 块：reading
课堂设计指导思想：
本节课是以理解文本为主，侧重听、说、读技能训练的阅读课。英语的阅读是学生发展英语技能的主阵地，在整个单元的教学程序中具有极为重要的作用。本教学设计涉及课文阅读的第一课时，以文本为依托，围绕文本理解展开了一系列的活动，主要目的就是要帮助学生多层次地理解文本内容，同时操练多项语言技能，拓展知识，提高能力。在活动的设计上，依照了top-down, bottom-up, top-down交替螺旋式上升的模式，以文本为基础实现阅读的深入理解。
teaching aims:
1.get to know more about the development of the english language.
2.get further understanding of the text and be able to retell some important elements in the development of english.
3.practice more skills in reading a history article.
teaching procedures:
step 1 warm-up
the teacher starts the lesson with a free talk. ask the students “how long have you been learning english? what have you learned?”
tell students that they will learn a passage dealing with english and its history.
《设计说明》通过看似随意的对话，教师对学生已有知识加以激活，同时，为阅读文章主题的导入和进一步的阅读做好铺垫。
step 2 skimming
students are allowed several minutes to skim the text. their skimming is based on the task of questions on page 22 concerning the general idea of the text.
《设计说明》通过基于问题任务的快速文本浏览，掌握文本的主体大意，为进
