Unit 5 Understanding ideas （ppt课件）-2022新外研版（2019）《高中英语》必修第一册.pptx

1、Unit 5 Into the wild The Monarchs JourneyWatch the video and answer the questions.1 What are the most popular pets in the UK?2 What is the most important animal charity in the UK?Look at the pictures and answer the questions.1 What are the relationships between the people and the animals?2 What anim

2、als do you often interact with?What is your relationship with them?Look at the pictures and choose the animals that migrate.Now talk about what you know about animal migration.Read the passage and find out what mystery the scientists have solved.Choose where you are most likely to find the passage.1

3、 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.Fast readingMatch the main idea with each paragraghWhere do the monarch migrate?How do the monarch m

4、igrate?Whats migration?The significance of the study.Why do the monarch migrate?Fast readingPara.1Para.2Para.3Para.4Para.5Which of the following is not a purpose of a migration?A.To search for food.B.To look for a partner.C.To breed young babies.D.To stay away from cold whether.Careful readingWhich

5、of the following is not a purpose of a migration?Many animals move from one place to another at certain times of the year.This annual movement is called migration.They migrate to find food,seek a partner,or in search of warmer weather.One of the most wonderful migrations in nature is that of the Nor

6、th American monarch butterfly.Why does the author write this passage?Which of the following is not a purpose of a migration?Many animals move from one place to another at certain times of the year.This annual movement is called migration.They migrate to find food,seek a partner,or in search of warme

7、r weather.One of the most wonderful migrations in nature is that of the North American monarch butterfly.Why does the author write this passage?Amazing monarch butterfly Every autumn,millions of these beautiful insects with fine black and orange wings begin a long and difficult journey.Somehow they

8、manage to travel around 4,000 kilometers south and find their way to California or Mexico.How monarch butterfly did this？A team of scientists led by Professor Eli Shlizerman at the University of Washington has now found the answer.Complete the sentences with expressions from the passage.Then use the

9、 sentences to complete the“cause-effect”flow charts.a The monarch butterfly is able to tell 1_b Using these two pieces of information,the monarch butterfly determines 2_c The monarch butterfly measures 3_ with its eyes.d The monarch butterfly reaches 4_.the time of daythe way to gothe position of th

10、e sunthe places where it will spend the winteracbMonarch butterflies were in troubleThe solution to the mystery of the monarchs amazing ability comes at a time when it is in serious trouble.Its population has crashed by as much as 90 per cent in the last few years.Why are butterflies in trouble？huma

11、n activity is the main reason why the number of monarch butterflies is falling.In many of the places where the butterfly can be found,people are destroying the natural environment.They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.Why are butterflies in trouble？

12、Human activitylPeople are destroying the natural environment.lThey cut down trees.lPeople use chemicals that kill the plants that monarch caterpillars eat.2.What does the word“crash”in Para.4 mean?A.SucceedB.FailC.Increase D.Drop3.The author develop the paragraph 3 and 4 mainly_.A.by time orderB.by

13、space order C.by examplesD.by cause and effectTo love animals is love ourselves.How did people do to protect monarch butterfly?People have been working together to record its migration and make sure that there are enough plants for it to feed on.So thatIf this works,there may come a time when the nu

14、mber of monarch butterflies increases once again.The future of butterfly: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.4.Where are you most likely to find the passage?A.In a scientific research paper

15、.B.In a popular nature magazine.C.In a travel leaflet.D.In a science fiction5.What is the writers purpose in writing the passage?A.To promote the awareness of protecting the wildlife.B.To introduce the journey of the monarch.C.To analyze a research on a kind of butterfly.D.To find the cause of the d

16、ecline of monarch.Complete the sentences with expressions from the passage.Then use the sentences to complete the“cause-effect”flow charts.e Humans 5_ trees.f The 6_ where monarchs can be found is destroyed.g Humans use chemicals that 7_ that monarch caterpillrs eat.h The monarch butterfly population 8_ in the past few years.ecut downnatural environment of many placeskill the plantshas crashedgfThink&Share What impresses you most about the monarch butterfly?What can people do to help protect the monarch butterfly?