人教版新课标高中英语必修3unit4reading电子教案.doc

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课堂教学设计课题：Reading: How Life Began on the Earth 授课时数 2 日期：2011年 4月日设计要素设计内容教学内容分析 The reading passage titled “how life began on the earth” provides Ss a brief introduction on hoe the universe developed and how life began on the earth. It provides a scientific background to any investigation into space and it is factual. Through the article, teacher will help Ss form scientific spirit and the way of studying. 教学目标知识与技能 1 Get Ss to learn the useful new words and expressions: globe, violent, carbon, atmosphere, unlike, harmful etc; 2 Develop Ss’ reading ability and let them learn different reading skills; 3 Enable Ss to know about the development of the earth. 过程与方法 1 Task-based teaching and learning 2 Cooperation learning 3 Discussion 情感态度价值观 1 Arouse Ss’ interest in science and their love for life 2 Develop students’ sense of cooperative learning. 学习者特征分析本文是一篇科普类文章，文中有许多专有名词，如，两栖动物，水生有壳动物，爬行动物等。因此单词必须先巩固，同时学生可将英文所呈现的内容与生物知识相结合，这样可以使文章的脉络更加清晰。教学分析教学重点 Let the Ss read the passage and learn about the development of the earth. 教学难点难点 Enable Ss to understand the passage and know about the development of the earth. 解决办法 Help Ss analyze the long sentences. 教学策略 1 Different reading skills: skimming and scanning 2 Clear the obstacles in understanding 教学资源 1 Textbook 2 Teaching reference book 板书设计 Unit 4 How Life Began On The Earth Main idea of each paragraph: 1 a widely accepted theory about the formation of the universe 2 the formation of the earth 3 the important of water for life 4 the development of planet and animals on the earth 5 the arrival of human and their impact on the earth Difficult language points 教学过程教学内容教学环节教师活动学生活动教学媒体使用预期效果 Step 1 revision Step 2 Skimming scanning Step 3 Explanation Step 4 Read aloud Step 5 homework Questions: How many planets are there in solar system? What are they? Ask students to skim the reading passage and match the main idea for each paragraph. Have Ss read the passage again and put the right order of development of life into a timeline. Help Ss analyze some difficult, long and complex sentences and guess the meanings of the new words. Ask Ss to read the passage aloud after the tape and let them pay more attention to the pronunciations of each new sentence. Tell them to pick out all the useful expressions or collections from the passage while reading and copy them to the notebook, Answer Scan the reading passage and match the main idea. Carefully read the passage and discussion. Underline the difficult sentences and analyze them and take notes. Read the passage aloud and learn to read every word correctly. Pick out all the useful expressions and copy them, 教学流程图听写与复习单词略读，捕捉关键信息细读，把握细节释疑解难复述文章记忆测验独立完成梳理文章小组合作完成知识积累教师引导 Reading How life began on the earth 听写与复习略读细读解疑复述教学设计评价

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