外研版（2024）八年级下册（2024））Developing ideas集体备课课件ppt

这是一份外研版（2024）八年级下册（2024））Developing ideas集体备课课件ppt，共31页。PPT课件主要包含了Four， Step 3，Step 4，Writing等内容，欢迎下载使用。
掌握 slar energy, slar panel, slar park 等核心词汇，理解太阳能及清洁能源的基本概念。（学习理解）
阅读文章并完成相关任务，运用文本信息进行口头或书面表达。（应用实践）
撰写一篇包含基本信息、工作原理和个人观点的短文，并表达自己的看法。（迁移创新）
通过本节课的学习，学生能够：
I can see the karez system. (坎儿井）
The karez system is amazing! It is a very clever and ld way t get water in dry places.
What can yu see in this vide?
What d yu think f the karez system?
Lk at the pictures and answer the questins.
Lk and answer
Pre-reading
1. What’s the envirnment like?
The envirnment is ht, dry, and it is a desert. There is very little rainfall, s there is a serius water shrtage. The climate is terrible and it is difficult t live there.
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.
Read and answer
Hw many parts can the passage be divided int?
Part 1:_______________Part 2:_______________Part 3:_______________Part 4:_______________
While-reading
Match the idea with each part.
Intrductin t the lcatin
The climate f the area
The challenge and future f the system
The way the karez system wrks and its imprtance
2.Where are the real Flaming Muntains lcated?
They are mentined in Jurney t the West.
Read part 1 and answer
1. What famus stry are the Flaming Muntains mentined in?
They are in Turpan, in the east f the Xinjiang Uygur Autnmus Regin.
2. Hw much rainfall des Turpan get each year?
It can be as ht as 80°C in mid-summer.
1. Hw ht can the desert sand get in mid-summer?
Only 16 mm a year.
Read part 2 and answer
2. Hw was the karez system built?
A.There are mre than 1,000 wells. B. There are 1,000 wells. C. There are mre than 100 wells.
1. Hw many wells are there in the Turpan karez system?
It was cmpleted with nly hand tls.
Read part 3 and answer
2. Wh is taking actin t prtect the karez system nw?
It faces a water shrtage.
1. What prblem des the area face nw?
Mre and mre yung peple are taking actin t prtect it.
Read part 4 and answer
driest places
httest areas
runs undergrund
cl and safe
grw plants fr fd
tp three prjects
water shrtage
Read and cmplete
Answer the questins.
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 karez system 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?
Pst-reading
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.
2. With mdern technlgy, d yu think it is still necessary t keep the karez system? why r why nt?
Yes, I think it is still necessary. The karez system is a part f lcal histry and culture. It als uses water in a natural way that is friendly t the envirnment. Even with mdern technlgy, we can learn frm its wisdm.
D yu knw sme examples f peple changing nature?
城市绿化City Greening
长城The Great Wall
风力发电Wind pwer
Write a passage abut hw peple change nature.
The Great Wall
• Place：Nrthern China, ver hills and plains.• Time：Started mre than 2,000 years ag.
• Amazing facts：It’s ver 21,000 km lng—ne f the lngest man-made things n Earth.• Hw it wrks：Sldiers watched frm twers and lit fires t warn f enemies. The wall stpped enemies frm cming in.
• Why imprtant：It kept peple safe and is nw a famus symbl f China.• Future：Peple will prtect it fr many years.
One great example f peple changing nature is the Great Wall f China. It runs acrss nrthern China, and building first started ver 2,000 years ag. The wall is ver 21,000 km lng—lnger than the distance frm Beijing t Lndn! Peple built it with stne, earth, and bricks, wrking fr many centuries. It crsses muntains and plains, changing the natural landscape int a strng defense line. Sldiers std watch in twers and lit fires t send warning messages when enemies came. The Great Wall is very imprtant. It prtected ancient China and is nw a symbl f Chinese culture lved by visitrs frm all ver the wrld. Peple will keep it safe fr the future, s it will always stand as a sign f human wisdm.
Check. Did yuclearly explain hw the systems/ idea wrks?use the wrds and expressins frm the reading passage?give yur pinin abut changing nature?
Share yur passage with the class.
Language pints
世界上最炎热的地区之一
一、单选题。 Turpan is knwn as ______ the httest places n Earth. A. ne B. ne f C. first f2.The secret f survival in the desert ______ the amazing karez water system. A. lies in B. lies n C. lies at3.The karez system includes ______ 1,000 wells cnnected by undergrund canals. A. mre B. mre f C. mre than4. ______ yung peple are jining the effrt t prtect this ancient wnder.A. Mre and mre B. Much and much C. Many and many
area, desert, system, undergrund, canals, shrtage, belw …
We have learnt a passage abut A river f life belw the earth.
We have learnt hw t write a passage abut hw peple change nature.