外研版（2024）八年级下册（2024））Understanding ideas多媒体教学课件ppt

这是一份外研版（2024）八年级下册（2024））Understanding ideas多媒体教学课件ppt，共31页。PPT课件主要包含了英译汉 等内容，欢迎下载使用。
Learning bjectives
In this lessn, we will be able t:
1.use wrds and expressins related t desert climate and water systems t describe hw peple adapt t extreme descriptive language and cmparative structures t explain the features f the karez system and its integrated knwledge abut the interactin between humans and nature t write a passage abut a chsen example f peple changing the new phrases and expressins and use them in cntext prperly.
Lk and talk
80°C! Ht enugh t ck an egg!
Lk and talk
The karez system uses wells cnnected t undergrund canals t cllect and transprt water. This ancient inventin helps prevent water frm evaprating in the harsh climate, making it an impressive engineering prject that addresses the prblem f water scarcity.
Lk at the pictures and answer the questins. Use the wrds and expressins t help yu.
The envirnment is extremely ht and dry, typical f a desert climate with very little rainfall. It's difficult fr peple t survive there due t water shrtage and intense heat.
While reading
Read paragraph 1 and answer the fllwing questins.
Where are the real Flaming Muntains lcated?They are lcated in Turpan, in the east f the Xinjiang Uygur Autnmus famus stry mentins the Flaming Muntains?Jurney t the West mentins the Flaming Muntains.
Read paragraph 2 and answer the fllwing questins.
What makes Turpan ne f the mst extreme envirnments in the wrld? The desert sand can reach 80°C in summer and annual rainfall is nly 16mm, making it extremely ht and can yu tell abut Turpan frm “ck an egg n the desert sand”? The weather is really ht. 3.Hw much rainfall des Turpan receive annually? Only 16 millimetres f rainfall per ancient system helps peple survive in Turpan's harsh climate? The ancient karez system helps peple survive there.
Read paragraph 3 and answer the fllwing questins.
Hw many wells des the karez system in Turpan include, and hw ften d they appear? It includes mre than 1,000 wells, appearing every 20－30 des the karez system keep water safe frm the desert heat? The water runs thrugh undergrund canals where it stays cl and prtected frm the is the karez system cnsidered an impressive ancient prject? Because it was built entirely with hand tls and has ver 5,000 km f canals— nearly as lng as the Yellw River.
Read paragraph 4 and answer the fllwing questins.
What are the three main causes f water shrtage mentined in the passage? ①Less water frm the muntains. ②Lwer rainfall. ③A large increase in water use.2. What tw slutins are mentined t address the water prblems? ①Using mdern technlgy. ②Prtecting and maintaining the karez system.3. Wh is specifically mentined as taking actin t preserve the karez system? Mre and mre yung peple are taking actin t prtect it.
Cmplete the diagram with the wrds and expressins frm the passage.
httest areas
cl and safe
tp three prjects
water shrtage
The karez system
driest places
runs undergrund
Answer the questins.
T attract readers’ attentin and t lead int the tpic f the real Flaming Muntains and their lcatin in Turpan.
It intrduces the real place where the Flaming Muntains are (Turpan, Xinjiang) and the extremely ht climate f Turpan.
It tells us that Turpan is extremely ht, with a very high temperature.
Yes, the karez system shuld still be kept because it represents ancient wisdm and shuld be preserved as histrical treasure.
Think and share
The mst interesting fact is that the karez system has ver 5,000 km f undergrund canals—nearly as lng as the Yellw River. This is amazing because it was built with nly hand tls and the system still functins tday.
Pst reading
The water resurce in Turpan is limited. Then hw shuld we use it?
Write a passage abut hw peple change nature.
Check yur presentatin
Present yur pster t the class.
Ancient wisdm inspires mdern slutins—cherish ur heritage and prtect ur future.
1.The secret lies in the ancient karez system.结构：主语（抽象名词） + lie in + 名词/动名词解释：说明原因、答案或本质所在，正式用语。例句：The success f this prject lies in its simple but clever design.该项目的成功在于其简洁而巧妙的设计。
2.The desert sand can be as ht as 80°C in midsummer.结构：as + 形容词/副词 + as + 比较对象解释：表示"与……一样"，强调程度相当。例句：The undergrund canals are as cl as a refrigeratr. 地下渠道像冰箱一样凉爽。This prject is as imprtant as the Great Wall. 这个工程和长城一样重要。
3.Thanks t the karez system, peple can grw plants fr fd in this difficult envirnment. 结构：Thanks t + 名词/短语解释：表示"由于（积极原因）"，相当于"because f"。例句：Thanks t the rain, the plants in the garden grew well.多亏了这场雨，花园里的植物长得很好。
4.Nw, mre and mre yung peple are taking actin t prtect it.结构：主语 + take actin + t d解释：强调主动采取具体措施解决问题。例句：The gvernment is taking actin t reduce water waste.政府正采取行动减少水资源浪费。We must take actin t save these ancient inventins.我们必须采取行动保护这些古代发明。
一、根据汉语意思完成句子
吐鲁番被称为世界上最热的地区之一。Turpan ______ ______ ____ ne f the httest areas in the wrld.2.坎儿井系统的成功在于其巧妙的设计。The success f the karez system ______ ______ its clever design.3.年轻人正在采取行动保护这一古老系统。Yung peple are _______ ______ _____ prtect this ancient system.4.地下渠道的水被保持凉爽。The water in the undergrund canals ______ ______ cl.
is knwn as
lies in
taking actin t
is kept
All f this was cmpleted with nly hand tls! 这一切仅用简单的手工工具完成！2.The karez system still plays an imprtant rle tday. 坎儿井系统至今仍发挥着重要作用。3.Thanks t these vlunteers, many wild plants are prtected. 4.The centuries-ld water system will surely be carried int the future. 这个古老的水利系统必将传承至未来。
多亏了这些志愿者，很多野生植物得到了保护。
Read, chse and write.
What was the main result f Dr. Lee's slutin?A. The rver stpped wrking.B. The slar panels were cleaned.C. The dust strm became wrse.D. The missin was abandned.Prvide tw examples f innvatin frm the text:Example 1: ______________________________Example 2: ______________________________
prgramming the rver t vibrate its panels
designed a slar panel cleaning device