2021版外研版必修一英语Unit5 Understanding ideas阅读理解+语言点 ppt课件.ppt
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- 2021版外研版必修一英语Unit5 Understanding ideas阅读理解+语言点 ppt课件 2021 版外研版 必修 英语 Unit5 ideas 阅读 理解 语言 ppt 课件 下载 _必修 第一册_外研版(2019)_英语_高中
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1、Unit 5Unit 5 Activity 1: View the following pictures. Can you use one or two words to describe their action? Animal migration Animal migration refers to the movement of a species (物种物种) from one habitat (栖息地栖息地) to another in response to seasonal changes to the environment. Often covering great dist
2、ances and involving huge numbers of animals, it can be fascinating to observe. Migration happens in all parts of the animal kingdom, from fish and insects to birds, reptiles (爬行动物爬行动物) and mammals (哺乳动物哺乳动物). Why do animals migrate? When do animals migrate? Can human activities influence on animal m
3、igration? How? Look at the pictures and choose the animals that migrate. monarch butterfly Siberian crane /mnk/ /saibirin/ Atlantic salmon red panda /smn/ killer whale African lion The animals that migrate include monarch butterfly, Siberian crane, Atlantic salmon, and some types of killer whales. N
4、ow talk about what you know about animal migration. Now enjoy a video abut Monarch migration. The Monarchs Journey Read the passage and find out what mystery the scientists have solved. The scientists have solved the mystery of how monarch butterflies manage to travel a long distance and find their
5、way to their destination. 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 encouraging people to visit North America. Why do you ch
6、oose that answer? Look at the mind map of the passage. The Monarchs journey introduction appearance migration trouble solution Complete the sentences with expressions from the passage. Then use the sentences to complete the “cause-effect” flow charts. a. The monarch butterfly is able to tell _. b. U
7、sing these two pieces of information, the monarch butterfly determines _. the time of day the way to go c. The monarch butterfly measures _ with its eyes. d. The monarch butterfly reaches _. the position of the sun the places where it will spend the winter a c b d e. Humans _ trees. f. The _ where m
8、onarchs can be found is destroyed. g. Humans use chemicals that _ that monarch caterpillars eat. h. The monarch butterflys population _ in the last few years. cut down natural environment of many places kill the plants has crashed (by as much as 90 per cent) h e g f 1. What impresses you most about
9、the monarch butterfly? 2. What can people do to help protect the monarch butterfly? Tips: Students can discuss the questions with their group members. Then one student answers the questions, but allow others to add up. 短语短语 1.在一年当中的某些时期在一年当中的某些时期 2. in search of 3. in nature 4. manage to do sth. fin
10、d their way to sp determine the way to go 5. tell the time tell right from wrong 6. the solution to sth 7. in trouble 8. crash / fall by increase to . 9. lead to lead / live a happy life 1. at certain times of the year 2. 为了寻找为了寻找 4. 设法做到设法做到 找到去找到去的路的路 确定要走的路确定要走的路 5. 辨别时间辨别时间 判断对错判断对错 6. 的解决办法的解决办
11、法 8. 下降了下降了 上升到上升到 9. 导致导致 过着幸福的生活过着幸福的生活 7. 处于困境,遭遇麻烦处于困境,遭遇麻烦 3. 在自然界在自然界= in the natural world= in the wild 10. 要是这个起作用要是这个起作用/奏效奏效 11. feed on 12. a long time to come 10. if this works 11. 以以为食为食 12. 未来的很长时间未来的很长时间 找出课文中6 个句子并背诵 1. One of the most wonderful . (Para. 1 ) 2. However , until rencen
12、tly no one .(Para.2 ) 3. They have found out that . (Para.3 ) 4. Its population has crashed by . (Para.4 ) 5. The more we know about this lovely . (Para 5) 1. One of the most wonderful migrations in nature is that of the North American monarch butterfly. one of + 名词复数,谓语动词用单数,名词复数,谓语动词用单数,表表 示“示“中之一
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