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

1、B1U5Understanding ideasWhat phenomenon(现象)is mentioned in the video?Animal Migration/magren/Lead-inPredictionWhat is the passage mainly about?Where do they migrate?Fast reading Match the main idea with each paragragh Para.1 Where do the monarch migrate?Para.2 How do the monarch migrate?Para.3 Whats

2、migration?Para.4 The significance of the study.Para.5 Why do the monarch migrate?Tips:Dont read word by word!Just read the first and last sentence of each paragraph.1.What can we learn about the North American monarch butterflies from Para.2?A.Every two years they will migrate to spend the winter.B.

3、They have ugly black and orange wings.C.Now people have known how they manage to travel such a long distance.D.They manage to travel around 4,000 kilometers north and find their way to places where they will spend the winter.Reading for the informationEvery autumn fine south until recently no one kn

4、ew how they did this.2.What does the word“crash”in Para.4 mean?A.SucceedB.FailC.IncreaseD.Drop3.The author develop the paragraph 3 and 4 mainly_.A.by time orderB.by space order C.by examplesD.by cause and effectReading for the informationthe number of monarch butterflies is falling 4.Where are you m

5、ost likely to find the passage?A.In a scientific research paper.B.In a popular nature magazine.C.In a travel leaflet.D.In a science fictionReading for the informationA scientific research paper has a lot of numbers or data to support the ideasa printed sheet of paper or a few printed pages that are

6、given free to advertise or give information about sth.5.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 decline of monarch.Read

7、ing for the informationReading for the detailsa.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 _.Activity 4the time of daythe way to gothe position of

8、the sun the places where it will spendthe winter dacb hReading for the detailse.Humans _ trees.f.The _ where monarchs can be found is destroyed.g.Humans use chemicals that _ that monarch caterpillars eat.h.The monarch butterflys population _ in the last few years.Activity 4egfcut downnatural environ

9、ment of many placeskill the plantshas crashed(by as much as90 per cent)Role-playDiscuss with your partner to finish the dialogue then act out.(One day a lovely little girl saw a monarch butterfly crying on a flower,so she approached it.)Girl:Beautiful monarch,why are you so sad?Youre so beautiful!Monarch:I am very lonely.Many of my good friends have died.Girl:Why?Monarch:Because _.（at least 2 points）Girl:Im so sorry to hear that.Dont worry,I will _.（at least 2 points）Monarch:_Girl:_.