外研版（2024）八年级下册（2024））Developing ideas一等奖课件ppt

这是一份外研版（2024）八年级下册（2024））Developing ideas一等奖课件ppt，共24页。PPT课件主要包含了地下的生命之河，desert，wells，新外研版八下，climate，protect，Opening， years，Body，Ending等内容，欢迎下载使用。
掌握 ht, dry, water shrtage, karez, undergrund, canal 等核心词汇；能获取语篇关键信息，区分事实（fact）与观点（pinin）。
能梳理说明文结构，运用核心词汇复述课文；掌握 “开头介绍 — 主体说明 — 结尾升华” 的写作框架。
能独立搜集资料，完成 “人类改造自然” 主题写作，表达对人与自然关系的思考。
Enjy the vide: D yu knw where is it?
Think and discuss.
Jurney t the West
What’s the envirnment like in the Flaming Muntains frm Jurney t the West?
It is extremely ht, dry and barren.
Hw can peple live in such an envirnment?
By using undergrund water (karez irrigatin) t get water fr living and farming.
1. What’s the envirnment like?The envirnment is a desert, s it has a ht and dry climate. There is little rainfall, s the area faces a water shrtage. It is difficult t survive here.
Lk at the pictures and answer the questins. Use the wrds and expressin t help yu.
2. Hw des the system wrk?The prject uses wells and undergrund canals t prtect water frm drying up. The water runs t different places. It allws peple t grw plants fr fd in such a difficult envirnment.
undergrund canals
Read the passage and check yur answers.
What’s the passage mainly abut?
It’s abut the karez system.
Enjy the text vide
Paragraph 1
Paragraph 2
Paragraph 3
Paragraph 4
The way the karez system wrks and its imprtance
The challenge and future f the system
The lcatin f the Flaming Muntains
The climate f the area
Read and match the subtitles with the paragraphs.
2. Where are the real Flaming Muntains?
Read and answer.
1. In which famus literary wrk is the Flaming Muntains described?
2. Hw is the rainfall there?
1. Hw ht is it there?
as ht as 80°C
nly 16 mm
1. Hw des the karez system wrk?
2. Hw lng are the undergrund canals?
1. What prblem des the area face nw?
2. What is the future f the system?
driest places
httest areas
runs undergrund
cl and safe
grw plants fr fd
tp three prjects
water shrtage
Cmplete the diagram with the wrds and expressins frm the passage.
Answer the questins.
1. Why des the writer mentin “the Flaming Muntains” at the beginning?
By mentining this well-knwn place frm Jurney t the West, the writer cnnects with readers, attracts their attentin and makes them interested in reading n.
2. What can yu tell abut Turpan frm “ck an egg n the desert sand”?
It tells us that Turpan is very ht.
3. What’s the meaning f the title?
The title means the is like a hidden “river” that brings life t Turpan’s desert. It quietly carries water undergrund s peple can survive and grw fd in the terrible climate.
Think and share.
1. What fact frm the passage d yu find the mst interesting? Why?
Fr me, the mst interesting fact is that the system was cmpleted with nly hand tls. The canals are s lng and there are s many wells. It is difficult t d the wrk with machines, and using hand tls is even mre difficult.
I think it is necessary t keep the karez system. Althugh mdern technlgy can slve sme prblems, the karez system still plays an imprtant rle. It wrks well and is an imprtant part f ur histry. We can use bth mdern technlgy and the karez system t imprve the living envirnment in this area.
2. With mdern technlgy, d yu think it is still necessary t keep the karez system? Why r why nt?
Write a passage abut hw peple change nature.
The Great Green Wall
____________________________________ is a great prject that changes nature.
It lies in ___________________ . It has a lng histry f mre than ___________.
nrthern China
Peple created it t deal with the prblem f __________________________________.
desertificatin and sandstrms.
One amazing fact is that peple built it with___________________________________________.
hard wrk and millins f trees
It wrks by___________________________________,, s peple can _____________________________.
planting trees t stp sand and keep water
live in safer and greener places.
It plays an imprtant rle in peple’s life.
The Great Green Wall The Great Green Wall is a great prject that changes nature. It lies in nrthern China. It started in the 1970s. Peple created it t stp the desert frm grwing. One amazing fact is that millins f trees are planted every year. It wrks by planting trees t hld water and stp sandstrms. Thanks t it, mre green land appears in dry areas, and peple can live in safer places.It plays an imprtant rle in prtecting ur envirnment. I believe peple will keep and prtect it in the future. It shws the great wisdm f human beings.