外研版（2024）八年级下册（2024））Developing ideas说课课件ppt

这是一份外研版（2024）八年级下册（2024））Developing ideas说课课件ppt，共36页。PPT课件主要包含了Four， Step 3，Step 4，Homework等内容，欢迎下载使用。
By the end f this lessn, we will be able t:
Learning Objectives
What can yu see in this vide?
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. It helps peple live and grw fd. It is als a great treasure f human wisdm.
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.
What des the title mean?
Read and answer
While-reading

一条生命之河在地底奔流
What is the stry mainly abut?
It is abut the ancient karez water system in Turpan, Xinjiang, and hw it helps peple survive in an extremely ht and dry desert envirnment.
Hw many parts can the passage be divided int?
Part 1:_______________Part 2:_______________Part 3:_______________Part 4:_______________
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?
There are mre than 1,000 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
httest areas
tp three prjects
water shrtage
Read and cmplete
Answer the questins.
1.What can yu tell abut Turpan frm "ck an egg n the desert sand"?
It tells us that Turpan is very ht. The sand is ht enugh t ck fd like an egg. This helps us imagine hw ht it really is.
2.What can yu tell frm "nearly as lng as the Yellw River"?
It tells us that the undergrund canals are very lng. They are almst as lng as the famus Yellw River. This shws us hw big and amazing the karez system is.
3 Why des the writer use these expressins?
The writer uses these expressins t help us imagine and remember hw ht Turpan is and hw lng the canals are. It makes the stry mre interesting and easier t understand.
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.
Learning t think fr questin 2
It's imprtant t cmpare advantages and disadvantages f an ancient technlgy. In this way, we can make reasnable decisins abut its usage. in mdern sciety
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
D yu knw sme examples f peple changing nature?
京杭大运河The Grand Canal
都江堰 Dujiangyan Irrigatin System
梯田Terraced Fields
城市绿化City Greening
长城The Great Wall
风力发电Wind pwer
Which ne d yu like best?
• Place: frm nrth t suth in China• Time: ver 2,500 years ag• Hw it wrks: Dig rivers t cnnect lakes and rivers, make water transprt easier.• Amazing facts：It’s ver 1,700 km lng—ne f the lngest canals in the wrld.• Why imprtant: Helps carry fd and gds, saves time and energy.• Future: It is still used tday, s peple will prtect it.
• Place：Nrthern China, ver hills and plains.• Time：Started mre than 2,000 years ag.• Hw it wrks：Sldiers watched frm twers and lit fires t warn f enemies. The wall stpped enemies frm cming in.• Amazing facts：It’s ver 21,000 km lng—ne f the lngest man-made things n Earth.• Why imprtant：It kept peple safe and is nw a famus symbl f China.• Future：Peple will prtect it fr many years.
• Place: in cities and twns• Time: every year• Hw it wrks: Plant trees, build parks and grw grass.• Amazing facts：Mre green makes cities healthier and happier.• Why imprtant: Makes air clean, cls the city and gives peple nice places t relax.• Future: Peple will plant mre trees t make cities greener.
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.
Share yur passage with the class.
Check. Did yuclearly explain hw the systems/ idea wrks?use the wrds and expressins frm the reading passage?give yur pinin abut changing nature?
Must d:1.记忆本节课的单词和短语，重点句型;2.完成课后的相关练习;3.修改完善课堂上所写的文章。Chse t d:假设你是一名工程师，为吐鲁番设计一个 “未来版坎儿井”。设计方案：结合现代科技（如太阳能、智能监测），画出设计草图，并说明它如何解决传统坎儿井的问题（如水源减少、维护困难）。英文说明：写一段 100 词左右的英文介绍，解释你的设计理念和优势，使用 imprve, slve, in the future 等词汇。