高中英语人教版必修三教师版学案：Unit4Astronomythescienceofthestrars阅读.doc

第  PAGE 5 页 共  NUMPAGES 5 页 教学内容 学习目标: 1．知识与能力：To grasp the main idea of the passage by making use of some reading skills 2.过程与方法：To grasp the main idea by self-directed learning ,discussion ,cooperation 3.情感态度价值观: To know the importance of protecting the earth and environment 学习重点: To learn more knowledge about how life began on the earth 学习难点: To learn more knowledge about how life began on the earth 【学案使用说明】请充分预习课文，结合词典及课后单词表完成此学案。学习指导 即时感悟【课前预习】 Each religion and culture has its own ideas about how life began on earth. What do you know ? 【自主 合作 探究】 Step 1 Fast Reading 1.What’s the main idea of the text? A.A brief introduction on how human beings were born. B. A brief introduction on the birth of the universe and life on the earth. C. The “Big Bang” had a great effect on the birth of the earth. D. The appearance of human beings was a disaster to the earth. 2. Scan the text and decide what the writing style of the text is? A. Narrative 记叙文 B. Explanation 说明文 C. Essay 散文 3.Match the main idea for each paragraph. Paragraph 1: a. The importance of water for life Paragraph 2: b.The development of plants and animals on the earth Paragraph 3: c.The formation of the earth Paragraph 4: d.A widely accepted theory about the formation of the universe Paragraph 5: e. The arrival of humans and their impact on the earth Step 2 Detailed-reading Read the text carefully and look for the detailed information Task1.Paragraph 1: Answer the following questions to understand the formation of the universe: Q1: How did the universe begin? __________________________________________________ Q2: What happened after the “Big Bang”?[来源:学科网ZXXK] __________________________________________________ Q3: What does “bodies” mean here? A. Persons or animals’ bodies???? B. Planets and stars Task2.Paragraph 2: Answer the following questions to understand the for