2021版外研版必修一英语unit5 The Monarch‘s Journey 公开课reading ppt课件.pptx

1、Guess : What are they doing ? v.迁徙 Migrate The Monarchs Journey Zang Huiyuan 1. To understand the whole passage and get the main idea. 2. To retell（复述复述） the general idea of the passage. 3.To raise awareness of protecting animals and environment. Learning Aims Page / 5 Read the passage quickly and m

2、atch the main ideas with each part. B.Monarchs trouble and causes A. Measures to protect monarch butterfly C.Definition（定义）（定义）about migration Para.1 Para.4 Para.2-3 Para.5 D.Introduce Monach s migration Fast reading Warming tips: 1. Pay attention to the first sentence and the last sentence in each

3、paragraph. 2. Find the key words and mark them. Warming tips: 1. Pay attention to the first sentence and the last sentence in each paragraph. 2. Find the key words and mark them. Warming tips: 1. Pay attention to the first sentence and the last sentence in each paragraph. 2. Find the key words and m

4、ark them. Tips: Dont read word by word! Just read the first and last sentence of each paragraph. Structure Para 1 Definition Para2-3 Introduction Para 4 Reasons The Monarchs Journey Para 5 Measures to find food to seek partner in search of warmer weather 1. What s the migration ? 2. Why do the anima

5、ls migrate ? One of the most wonderful migrations in nature is that of the North American monarch butterfly. Read Para.1 carefully and answer the following questions. Many animals move from one place to another at certain times of the year. This annual movement is called migration. Careful reading 许

6、多动物在一年中的特定时间会从一个地方迁往另一个地方。 这种一年一度的迁移被称作迁徙。 writing Tips: Try to use different words to express the same meaning . It can improve the level of your article. writing Tips: Lead to the following . Structure Para 1 Definition Para2-3 Introduction Para 4 Reasons The Monarchs Journey Para 5 Measures Monar

7、ch when ? where ? how long ? every autumn find their way to California or Mexico 4000 kilometres Read Para.2 and answer the questions. A long and difficult journey Every autumn, millions of these beautiful insects with fine black and orange wings begin a long and difficult journey. Somehow they mana

8、ge to travel around 4,000 kilometres south and find their way to California or Mexico. v.设法做某事 However, until recently no one knew how they did this. 来到某处，进入 So how did they migrate? By_ By _ telling the time of day measuring the position of the sun with its eyes The ways: Para3. How did they migrat

9、e? v. 分辨 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 _. d the time of day the way to go the position of the sun the places where it will spe

10、nd the winter Read Para.3 again and fill in blanks to complete the “cause-effect”flow chart(因果流程图）. a/c c/a b Structure Para 1 Definition Para2-3 Introduction Para 4 Reasons The Monarchs Journey Para 5 Measures how when how long where For the butterflies , what caused them to crash? Para4. the reaso

11、ns destroy the natural environment cut down trees use chemicals human activity h e. Humans _ trees. f. The _where monarchs can be found is destroyed. g. Humans use chemicals that _ that monarch caterpillars eat. h. cut down natural environment of many places kill the plants has crashed h e/g g/e f R

12、ead Para.4 and fill in blanks to complete the “cause-effect”flow chart(因果流程图）. The monarch butterflys population_ in the last few years. Structure Para 1 Definition Para2-3 Introduction Para 4 Reasons The Monarchs Journey Para 5 Measures Para.5 Measures to protect monarch butterfly . Record its migr

13、ation. Ensure enough food Measures Significance Why do we make the reserch? Is it useful? Para5. tell ? The more _, the greater_. we know about this lovely creature the chance it will survive and keep its place in the natural world for a long time to come 我们对这种美丽生物了解越多，它存活的机会就越大，它们在 自然界中得以长久生存并保持其位置

14、的可能性就越大。 Choose where you are 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（传单）（传单）encouraging people to visit North America. Post-reading Try to rec

15、ite main contents of the passage Definition Introduction Reasons The Monarchs Journey Measures Significance Retelling The more we know about this lovely creature， the greater the chance it will survive and keep its place in the natural world for a long time to come . Many animals move from one place

16、 to another at certain times of the year.This annual movement is called migration. Every autumn, they begin a long and difficult journey.The monarch is able to tell the time of day, and use its eyes to measure the position of the sun. So, it can determine which way it needs to go and change its dire

17、ction when necessary. But people are destroying the natural environment by cutting down trees and using chemicals that kill the plants that monarch caterpillars eat. People have been working together to record their migration and make sure that there are enough plants for them to feed on. definition

18、 introduction reasons measures Every autumn, they begin a long and difficult journey.The monarch is able to tell the time of day, and use its eyes to measure the position of the sun. So, it can determine which way it needs to go and change its direction when necessary. But people are destroying the

19、natural environment by cut down trees and using chemicals that kill the plants that monarch caterpillars eat. People have been working together to record their migration and make sure that there are enough plants for them to feed on. definition introduction reasons measures Many animals move from on

20、e place to another at certain times of the year.This annual movement is called migration. What impresses you most after reading the passage? It s high time that we should think over about the causes and take measures. The strongest of the species can survive. At one with nature 天人合一天人合一 Green development 绿色发展 Homework animal migration 1.Retell the passage again 2.search more information about animal migration on the internet.