人教版（2024）八年级下册（2024）Section A教学课件ppt

这是一份人教版（2024）八年级下册（2024）Section A教学课件ppt，共39页。PPT课件主要包含了 69，Practice等内容，欢迎下载使用。
In this unit, yu will:
1. talk abut gegraphy facts abut natural wnders.
2. cmpare facts abut famus places.
3. share gegraphy facts using large numbers.
4. explre hw and why peple cnnect with nature.
What can yu see in the pht？
D yu knw the name f this waterfall?
What d yu think is special abut it?
Victria Falls(维多利亚瀑布)
What ther natural wnders d yu knw?
在委内瑞拉，是世界最高瀑布，落差 979 米，藏身热带雨林，水流从高山直坠而下，景色壮观。
Angel Falls
死海位于西亚，是世界陆地最低点（-416 米），湖水盐度极高，无生物生存，人可漂浮于湖面。
尼罗河在非洲，是世界最长河流，长约 6670 千米，滋养沿岸土地，被称为非洲 “母亲河”。
位于中尼边境，是世界最高峰，海拔 8848.86 米，山体巍峨，被称为 “世界第三极”。
Munt Qmlangma
位于非洲北部，是世界最大沙漠，面积约 900 万平方公里，气候干旱，以广袤沙丘为特色
Sahara Desert
位于西太平洋，是世界最深海沟，最深处约 11000 米，海底环境极端，藏有独特海洋生物。
Mariana Trench
What is the name f this natural wnder?
It’s the Nile River.
Hw lng is it?
It’s 6,671 kilmetres lng.
What is special abut it?
It’s the lngest river in the wrld. It helped ancient Egyptian civilizatin develp.
It’s Angel Falls.
Hw high is it?
It’s abut 979 metres high.
It’s the highest waterfall in the wrld.
It’s the Sahara Desert.
Hw large is it in size?
It’s abut 9,000,000 square kilmetres in size.
It’s the largest desert in the wrld. It has a very vast area.
It’s the Mariana Trench.
Hw deep is it?
It’s abut 11,000 metres deep.
It’s the deepest place in the wrld’s cean.
It’s the Dead Sea.
 Hw lw is its surface belw sea level?
Its surface is 416 metres belw sea level.
It’s the lwest place n earth. Its water is very salty.
It’s Munt Qmlangma.
It’s 8,848.86 metres high.
It’s the highest muntain in the wrld. It’s still grwing taller.
MuntQmlangma
Vcabulary tips
Pre-listening
Diagram: Sea Level Cmparisn
While-listening
What infrmatin d we need t fill in?
Listen carefully t the adjectives.
Listen carefully t the numbers.
Try t read the fllwing numbers.
fur hundred and sixteen
eight thusand, eight hundred andfrty-eight pint eight six
eleven thusand
nine millin
Tip:Pay attentin t the stress n the bld wrds when reading numbers.
Hst: __________ur game shw! Tday, it's all abut gegraphy. Answer as quickly as yu can! Questin ne: What is the________________in the wrld?Fu Xing: It's Munt Qmlangma!Hst: Crrect! ________________?Lin Hngyu: I knw this—it's 8,848.43 metres high.Hst: N, srry. Fu Xing?Fu Xing: Is it 8,848.86 metres?Hst: Yes! But sme scientists say Qmlangma is still_____________ ! Nw, name the________________ in the wrld.Fu Xing: The Taklimakan Desert?
highest muntain
grwing taller
Hw high is it
biggest desert
TASK 1 Listen and fill in the blanks.
Hst: ___________! Ella?Ella: It's the Sahara Desert.Hst: Right! Nw, ________________?Ella: It's abut 9,000,000 square kilmetres.Hst: That's right! What's the _______________ n earth?Lin Hngyu: It's the Dead Sea!Hst: Well dne! Its surface is 416 metres ______ sea level. Nw where's the ______________ in the cean?Fu Xing: It's in the Mariana Trench.Hst: That's crrect! Hw _______ is it?Fu Xing: It's abut 11,000 metres deep.Hst: Crrect!
hw big is it
lwest place
deepest pint
Hst: Welcme t ur game shw! Tday, it's all abut gegraphy. Answer as quickly as yu can! Questin ne: What is the highest muntain in the wrld?Fu Xing: It's Munt Qmlangma!Hst: Crrect! Hw high is it?Liu Hngyu: I knw this—it's 8,848.43 metres high.Hst: N, srry. Fu Xing?Fu Xing: Is it 8,848.86 metres?Hst: Yes! But sme scientists say Qmlangma is still grwing taller! Nw, name the biggest desert in the wrld.Fu Xing: The Taklimakan Desert?Hst: Wrng! Ella?
Ella: It's the Sahara Desert.Hst: Right! Nw, hw big is it?Ella: It's abut 9,000,000 square kilmetres.Hst: That's right! What's the lwest place n earth?Liu Hngyu: It's the Dead Sea!Hst: Well dne! Its surface is 416 metres belw sea level. Nw where's the deepest pint in the cean?Fu Xing: It's in the Mariana Trench.Hst: That's crrect! Hw deep is it?Fu Xing: It's abut 11,000 metres deep.Hst: Crrect!
The village is belw the muntain.（村庄和山不在同一垂直线上）I usually put the basketball under the chair.（篮球和椅子在同一垂直线上）
There are many amazing natural wnders in the wrld. Munt Qmlangma is the _______________ in the wrld. It’s __________ metres high. The Sahara Desert is the ____________ in the wrld. It’s abut ____________ square kilmetres in size. The Dead Sea is the ____________ n earth. Its surface is __________ metres belw sea level. The Mariana Trench is the ____________ in the cean. It’s abut ________ metres deep.
TASK 2 Intrductin
TASK 3 Grup wrk
A: What’s the ... in the wrld?
B: It’s ...
A: Hw ... is it?
B: Its surface is ... metres belw sea level.
A:Nw,what’s ...
Language Pints
Hw can we read large numbers?
第一个逗号代表thusand(千), 第二个逗号代表 millin(百万), 第三个逗号代表billin(十亿).
pint+小数 点后逐个读
1. 一般在词尾加-er，-est。
2. 以不发音的e结尾加-r，-st。
3. 以重读闭音节结尾， 双写尾字母，再加-er，-est。
4. 以辅音字母加y结尾的， 变y为i再加-er，-est。
5. 多音节和部分双音节词， 词前加 mre， mst。
ldest/eldest
farther/further
farthest/furthest
Read and write
2,674 → ________________________________________________164,213,430 → ___________________________________________ ___________________________________________18,357,089 → ____________________________________________ ____________________________________________twenty-eight thusand, six hundred and fifty-six ______________frty millin, fur hundred and twenty-fur thusand __________
tw thusand, six hundred and seventy-fur
ne hundred and sixty-fur millin, tw hundred and thirteen thusand, fur hundred and thirty
eighteen millin, three hundred and fifty-seven thusand, and eighty-nine
1. big2. high3. lw4. deep5. easy6. far7. happy8. lud9. great10. clse11. amazing
__________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ _________
写出下列单词的比较级和最高级
mre amazing
mst amazing
用所给词的适当形式填空
1.The Yellw River is _________ (lng) than the Huaihe Tai is the _________ (high) f the tw muntains in sea is getting mre and mre _________ (beautiful) with lake is the _________ (deep) in ur is _________ (lng), the Amazn River r the Nile River?6.This river is three metres __________ (wide) than that Island is the secnd __________(large) island in sunset ver the cean is ne f the _______________ (amazing) scenery in the wrld.
mst amazing