2021版外研版必修一英语Unit5 Understanding ideas ppt课件.pptx

1、Unit 5 Into the Wild P50 Understanding ideas Matching annual migrate seek determine manage measure position eventually a. happening or done once every year v. to move from one part of the world to another according to the season v. to try to find or obtain sth v. to fix something or decide v. to fin

2、d the size, quantity, etc. of sth ad. at the end of a period of time or a series of events n. the place where sb/sth is v. to be successful in doing sth solution mystery amazing crash destroy creature survive v. to continue to live or exist especially after coming close to dying n. sth strange or no

3、t known that has not yet been explained or understood v. to damage sth so badly that it cannot be used n. the answer to a problem a. extremely surprising n. any large or small living thing that can move independently v. to fall violently Matching The Monarchs Journey Before reading While reading Whe

4、re are you most likely to find the passage? 1. In a scientific research paper about the monarch butterflys migration. 2. In a popular nature magazine introducing the monarch Butterfly. 3. In a travel leaflet encouraging people to visit North America. Task 1 Read the passage quickly and answer the qu

5、estion. Task 2 Match the main idea of each paragraph and then analyze the structure of this passage. Para 1 The definition of migration. Para 2 Para 3 Para 4 Para 5 The monarchs migration. How does the monarch finish its migration? Whys the number of the monarch falling? The effects of the research.

6、 Part 1 Background introduction Part 2 The research on the monarchs migration Para 1-2 Why do many animals migrate? Para 3-5 What mystery have the scientists solved? How does the monarch determine the way to go? What has happened to the monarch in the past few years and how did it happen? Whats the

7、significance of the research on the monarch? Task 3 Read paragraph by paragraph to answer the following questions. Para 1-2 Why do many animals migrate? They migrate to find food, seek a partner, or in search of warmer weather. Para 3-5 What mystery have the scientists solved? The scientists have so

8、lved how the monarch butterfly manages to reach the places where it will spend the winter. How does the monarch determine the way to go? The monarch is able to tell the time of the day and the point where the sun is in the sky. What has happened to the monarch in the past few years and how did it ha

9、ppen? Because of human activities the number of the monarch has crashed by as much as 90 percent in the past few years. Whats the significance of the research on the monarch? The research on the monarchs behavior has led to a greater awareness of it and people have been working together to record it

10、s migration and make sure there are enough plants for it to feed on. a.The monarch butterfly is able to tell b.Using these two pieces of information, the monarch butterfly determines c.The monarch butterfly measures with its eyes. d.The monarch butterfly reaches a c b d the time of day. the way to g

11、o. the position of the sun the place where it will spend the winter. Task 4 Read the passage again and finish task 4 on P52. e. Humans trees. f. The where the monarch can be found is destroyed. g. Humans use chemicals that that monarch caterpillars eat. h. The monarch butterflys population in the la

12、st few years. e g f h cut down place kill the plants has crashed by as much as 90 percent 1. The more we know about this lovely creature, the greater the chance they will survive . （原句再现）（原句再现） Translation: (1)你越细心，犯的错误就越少。你越细心，犯的错误就越少。 (2)你越努力，取得的进步就越大你越努力，取得的进步就越大。 Language focus the +比较级，比较级， the

13、+比较级比较级 越越, 就越就越 The more careful you are, the fewer mistakes you will make. The harder you work , the greater progress you will make. 2. With water falling its thick, brown hair, the bear stared back at me .（原（原 句再现）句再现） (1) With the boy (lead) the way, we easily found his home (2) With so many boo

14、ks _(read), I have no time to chat with you. with+宾语宾语+宾语补足语宾语补足语 leading to read 3. It is after all we who are the visitors to their world.（原句再现）（原句再现） 判别方式判别方式: 把把it is/was 及及that/who 去掉，调整后依然是一个完整的句子。去掉，调整后依然是一个完整的句子。 用法：可用来强调主语，宾语，状语等。用法：可用来强调主语，宾语，状语等。 I met my old teacher in the park yesterday

15、. (改为强调句型改为强调句型) 强调句型强调句型 It is/was +被强调部分被强调部分+that/who+ It was my old teacher who I met in the park yesterday. 4. These two pieces of information the time of the day and the point where the sun is in the sky -allow the butterfly to determine the way to go . 1)句子中的句子中的where the sun is in the sky 为关

16、系副词为关系副词where 引导的引导的_ 从句，从句， 修饰先行词修饰先行词_ ,where 在从句中用作在从句中用作_语。语。 a) This is the school _ I spent my high school life. b) This is the school _ is called Panyang Middle School. c) This is the school _ I will introduce . 定定语语 地点状地点状 point where which which 2) determine: v 决定决定 变成名词：变成名词：_意思是意思是_ 变变成形容

17、词：成形容词：_ 意思是意思是_ 英英汉互译：汉互译：a) 他决定学日语。他决定学日语。_ b) 我决心要获得成功。我决心要获得成功。_ c) a leader with courage and determination._ 决心，意志力决心，意志力 determination 意志坚定的，坚决的意志坚定的，坚决的 determined He determined to learn Japanese. I am determined to be successful. 一位果敢的领导一位果敢的领导 mindmap, analysis, summary After reading The Mo

18、narchs Journey Background introduction The definition of migration The monarchs migration The research on its migration The effects of the research The number of the monarch is falling. How does the monarch finish its journey? The time of day The position of the sun Design a mind map for the passage

19、 cut down trees use chemicals long & difficult Challenge yourself！ Write a summary with the mind map. Requirements: 1. Use your own wording. 2. Express the main ideas. 3. Keep the summary short (about 1/3 or 1/4 as long as the original one). Every autumn, North American monarch butterflies migrate a

20、 long way to California or Mexico. The journey is difficult. Recently, a team of scientists discovered that the butterfly could use the time of day and the position of the sun to find the right way to go. Research also finds out that the number of butterflies is falling greatly due to human activiti

21、es. Studies let people know more about monarch butterlies and call on us to do more to protect them so as to increase their number and keep their place in nature. (92 words) A possible version. Group discussion What else can people do to help protect the monarch butterfly? 1. Can you describe how mo

22、narch butterflies migrate every autumn? 2. Can you describe the research on the butterfly? 3. Have you got a right attitude to the behavior of wild animals now? 1. Polish your summary of this passage. 2. Read the article Bird migration and fill in the blanks. 1. food 2. possibility / chance 3. How 4. helpful 5. experience 6. Northern 7. following / along 8. conclusion 9. faithful 10. available / ready 阅读填空参考答案阅读填空参考答案