高中英语外研版 (2019)必修 第一册Unit 5 Into the wild课文内容课件ppt

这是一份高中英语外研版 (2019)必修 第一册Unit 5 Into the wild课文内容课件ppt，共39页。PPT课件主要包含了Reading，Summary等内容，欢迎下载使用。

Understanding ideasThe Mnarch’s Jurney
Learning bjectives
get the main idea f the passage; get the specific infrmatin f the mnarch’s migratin and analyze hw the mnarch migrates;
By the end f the class, yu will be able t
draw a cause-effect flw chart t shw hw the mnarch migrates and why the number f them decreased rapidly; share yur ideas abut what peple can d t help prtect the mnarch butterfly.
Facts abut animal migratinAnimal migratin refers t the mvement f a species frm ne habitat t anther in respnse t seasnal changes t the envirnment. Often cvering great distances and invlving huge numbers f animals, it can be fascinating t bserve.
Facts abut animal migratinMigratin happens in all parts f the animal kingdm, frm fish and insects t birds, reptiles and mammals.
Lk at the pictures.
1. What animals will migrate?
2. Why d the animals migrate?
Mnarch butterfly, Siberian crane, Atlantic salmn and sme types f killer whales.
They migrate t find fd, seek a partner, r in search f warmer weather.
Read the title and lk at the pictures n Page 50-51 tpredict what the passage is mainly abut.
Read the passage and check the predictin.
Reading fr main idea
Please read the passage t find what each paragraph mainly talks abut.
Para.1: Intrductin f the mnarch’s migratin.Para. 2: The time and distance f the mnarch’s migratin.Para. 3: The way f the mnarch’s migratin.Para. 4: The serius truble f the mnarch.Para. 5: Hw t help the mnarch get ut f the truble.
What’s the genre f the text?
Expsitry writing 说明文
1. In a scientific research paper abut the mnarch butterfly’s migratin. 2. In a ppular nature magazine intrducing the mnarch butterfly. 3. In a travel leaflet encuraging peple t visit Nrth America.
Chse where yu are mst likely t find the passage
a scientific research paper 科学研究论文
a travel leaflet 旅游手册
Reading fr infrmatin
Read the passage t find ut:What mystery have the scientists slved?
Smehw, they manage t travel arund 4,000 kilmeterssuth and find their way t Califrnia r Mexic. Hwever, until recently n ne knew hw they did this.
A team f scientists led by Prfessr Eli Shlizerman at the University f Washingtn has nw fund the answer. They have fund ut that the mnarch is able t tell the time f day.
Sample answer: The scientists have slved the mystery f hw mnarch butterflies manage t travel a lng distance and find theirway t their destinatin.
Read paragraph 3 t cmplete sentences “a-d” n Page 52.
a. The mnarch butterfly is able t tell the time f day.b. Using these tw pieces f infrmatin, the mnarch butterfly determines the way t g.
c. The mnarch butterfly measures the psitin f the sun with its eyes.d. The mnarch butterfly reaches the places where it will spend the winter.
Read paragraph 3 t cmplete the “cause-effect” flw charts n Page 52.
Share the answers and the thers add the answers.
Read paragraph 4 t cmplete sentences “e-h” n Page 52.
e. Human cut dwn trees.f. The natural envirnment f many places where mnarchs can be fund is destryed.
g. Humans use chemicals that kill the plants that mnarch caterpillars eat.h. The mnarch butterfly’s ppulatin has crashed in the last few years.
Read paragraph 4 t cmplete the “cause-effect” flw charts n Page 52.
Read the last paragraph.Q: What have peple been ding after a greater awareness f this creature?
The research n the mnarch’s behavir has hwever led t a greater awareness f this creature. Peple have been wrking tgether t recrd its migratin and make sure that there are enugh plants fr it t feed n. If this wrks, there may cme a time when the number f mnarch butterflies increases nce again.
Reading fr pinins
Think abut the questins n Page 52.
Q: What impresses yu mst abut the mnarch butterfly?
Sample answer: Because f the humans activity, the ppulatin f the mnarch butterflies has crashed s much that it’s high time fr us t d smething t help them.
Wrk in pairs and talk t each ther abut the wnderful mnarch butterflies with the help f the “cause-effect” chart.
use chemicals that kill the plants that mnarch caterpillars eat
Think and Share
Q: What can peple d t help prtect the mnarch butterfly?
Sample answer: Peple can manage t knw mre abut them, stp cutting trees, using chemicals t the plants and plluting and prtect the natural envirnment t make sure they have enugh habitats and fd.
1. Summarize the main idea f the text.2. Tell the genre and where the passage cmes frm.3. Tell specific infrmatin abut the way f the mnarch’s migratin and the impact peple have n the mnarch.4. Intrduce the mnarch t the classmates.
Chse ne f the fllwing hmewrk t d.1. Write a summary f the passage.2. Write a shrt passage t intrduce anther animal’s migratin.3. Write t yur English friend t tell him what the passage inspires yu mst and why.