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山东省泰安市肥城市第三中学英语高中人教版学案 必修三学生版:UNIT 4 ASTRONOMY THE SCIENCE OF THE STRARS 阅读.doc

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1、高考资源网() 您身边的高考专家教学内容学习目标: 1知识与能力:To grasp the main idea of the passage by making use of some reading skills2.过程与方法:To grasp the main idea by self-directed learning ,discussion ,cooperation3.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

2、 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.Whats the main idea of the text? A.A brief

3、 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 o

4、f 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 a

5、bout the formation of the universe Paragraph 5: e. The arrival of humans and their impact on the earthStep 2 Detailed-readingRead the text carefully and look for the detailed informationTask1.Paragraph 1:Answer the following questions to understand the formation of the universe:Q1: How did the unive

6、rse begin?_ Q2: What happened after the “Big Bang”?_ Q3: What does “bodies” mean here?A. Persons or animals bodies B. Planets and starsTask2.Paragraph 2:Answer the following questions to understand the formation of the earth and the appearance of water:Q1:Time What is the earth like?several billion

7、years after the Big Bangbetween 4.5 and 3.8 billion yearsQ2:Which sentence in the text is closest in meaning to the following one?It is more important that when the earth cooled down, water started to appear._Task3.Paragraph 3 True or false(find out the information).Read Paragraph 3 to understand th

8、e importance of water.( ) Water on the earth disappeared later.( ) It was obvious that water is necessary and important to the development of life.( ) Water was helpful in dissolving the harmful gases and acids into the oceans and seas.Task4.Paragraph 4-5:Read Paragraph 4-5 to understand the develop

9、ment of life.After many millions of years _(on the surface of the water)began to appearthey encouraged the development of and fishgreen plants began to grow on landland animals( and )followed appeared for the first timeafter that, huge animals( )developedthe rise of on the earthfinally clever animal

10、s with and 【当堂达标】 Fill in the blanks according to the text:After the “Big Bang”, the earth was just a cloud of dust.It loudly with fire and rock, which were _to produce the water vapour, _ and other gases. Then small plants grew. They _and filled the oceans and seas with oxygen. Many millions of yea

11、rs later, the first green plants began to _on land. When the plants grew into forests, reptiles appeared for the first time. They produced young generally by _eggs. When dinosaurs disappeared, mammals became more i_. Now small clever animals with_ appeared and _ all over the world. As time went by,

12、they covered the earth and they are putting too much carbon dioxide into the_, which _heat_ the earth into space. Whether life will continue on earth for millions of years to come will _whether this problem can be solved.【总结提升】DiscussionAs a student,what little things can we do to protect the earth?【拓展延伸】Homework1. Read aloud the reading passage and underline the useful phrases and sentence patterns.2. Preview using language.通过本环节,督促学生深入教材,并查阅资料,为本节课话题积累相关知识。My questions in this class:_My answers after my researches:_The keys after discussions in my cogroup:_ - 4 - 版权所有高考资源网

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