初中Section A集体备课ppt课件

这是一份初中Section A集体备课ppt课件，共39页。PPT课件主要包含了学习目标， 情景导入， 学习理解，The Nile，The Sahara，China， 迁移创新， 回顾总结，Summary， 考点大全等内容，欢迎下载使用。
2. Whse birthday is it?
1.D yu knw the name f the waterfall in the pht?
The waterfall in the pht is Victria Falls.
It’s special fr its immense width (abut 1,708 meters) and height (abut 108 meters), creating a breathtaking scene.
2.What d yu think is special abut it?
3.What ther natural wnders d yu knw?
Examples: Munt Huangshan, Huanggushu Waterfall, Zhangye Danxia Landfrm.
Lk and share
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.
Scenari imprt
Let’s watch and think.
Let’s knw abut the tp f the wrld.
Learning t understand
What is the highest muntain in the wrld?
Munt Qmlangma 珠穆朗玛峰
Munt Qmlangma is the_______muntain in the wrld.
Hw high is it?
It is 8,844.43 meters high.
eight thusand, eight hundred and frty-fur, pint fur three
珠穆朗玛峰:简称珠峰，是喜马拉雅山脉的主峰，同时是世界海拔最高的山峰，位于中国与尼泊尔边境线上，北部在中国西藏定日县境内（西坡在定日县扎西宗乡，东坡在定日县曲当乡，有珠峰大本营），南部在尼泊尔境内，是世界最高峰，也是中国跨越四个县的珠穆朗玛峰自然保护区和尼泊尔国家公园的中心所在。
What is the lngest river in the wrld?
the Nile 尼罗河
The Nile is the_______ river in the wrld.
Hw lng is it?
It is 6,671 kilmeters lng.
six thusand, six hundred and seventy-ne
尼罗河(Nile)是一条流经非洲东部与北部的河流，自南向北注入地中海。与中非地区的刚果河以及西非地区的尼日尔河并列非洲最大的三个河流系统。尼罗河长6670公里，是世界上最长的河流。
the lngest river in the wrld
Length: 6671 kilmeters
the secnd lngest river in the wrld
Length: 6400 kilmeters
It’s ________ kilmeters lng.
What is the lwest place n Earth?
死海是世界上最低的湖泊，也是地球上盐分居第三位的水体。截至2019年，死海表面积为605平方千米。 死海的湖岸是地球上已露出陆地的最低点，湖面海拔-430.5米。湖最深处380.29米，最深处湖床海拔-800.112米，有“世界的肚脐”之称。
It’s _____metres belw sea level.
sea level （海平面）
What is the biggest desert in the wrld?
the Sahara 撒哈拉沙漠
Sahara Desert is the _______ desert in the wrld.
Hw big is it?
It is 9,600,000 square kilmeters in size.
nine millin,six hundred thusand
/səˈhɑːrə ˈdezət/
撒哈拉沙漠约形成于250万年前，是世界仅次于南极洲的第2大荒漠，也是世界最大的沙质荒漠。它位于非洲北部，该地区气候条件非常恶劣，是地球上最不适合生物生存的地方之一。其总面积约容得下整个美国本土。 "撒哈拉"是阿拉伯语的音译，在阿拉伯语中"撒哈拉"为大沙漠，源自当地游牧民族图阿雷格人的语言，原意即为"大荒漠"。
Sahara Desert
the biggest dessert in the wrld
It’s abut ________ square kilmeters in size.
nine millin three hundred and twenty-tw thusand
Angel Falls /ˈeɪn.dʒəl fɔːlz/
What is the highest fall in the wrld?
安赫尔瀑布位于委内瑞拉玻利瓦尔州圭亚那高原的卡罗尼河支流丘伦河上，是世界落差最大瀑布 。丘伦河水从平顶高原奥扬特普伊山直流而下而形成瀑布，分为两级，总落差979米，以离丘伦河谷地172米的分结晶岩平台为界，其上为长的一级，高达807米。
It’s _____metres high.
Mariana Trench/ˌmeriˈænə trentʃ/
Where’s the deepest pint in the cean?
马里亚纳海沟全长2550千米，为弧形，平均宽70千米。据估计这条海沟已形成6000万年。其最深处的地方达6~11千米，是已知的海洋最深处。2020年11月10日8时12分，中国“奋斗者”号载人潜水器在马里亚纳海沟成功坐底，坐底深度10909米。
It’s abut _____ metres deep.
Hw t read numbers?
① 1—12: (ne, tw, three, fur, five, six, seven, eight, nine, ten, eleven, twelve)
② 13—19: -teen (thir-, fif-, eigh-)
③ 20—90: -ty (twen-, thir-, fr-, fif-, eigh-)
⑤ 三位数：整百100, 200, ... 900:
_______ hundred
非整百101—999:
_______ hundred and
D yu knw hw t read larger numbers?
three billin and sixty-eight millin, six hundred and nine thusand, nine hundred and eighty pint ne five.
3, 068, 609, 980. 15
读时，将每三位数看做一个单位，自右向左依次为thusand千，millin百万，billin十亿。每个单位按百、十、个位向右读。其中百位到十位之间要加入 and。
Here are sme tips fr yu.
Read!Wh is the best?
5,660,000,000
6,000,080,000
eight millin, six hundred and fifty-three thusand, three hundred and twenty-five.
five billin, six hundred and sixty millin.
nine thusand, seven hundred and fifty-tw pint tw tw.
six billin and eighty thusand.
Cmpetitin !
Match the places with the pictures.
____Nile River ____Angel Falls ____Munt Qmlangma____Dead sea ____Sahara Desert ____Mariana Trench
03 应用实践听说活动
Applicatin Practice
Listen t the game shw. Cmplete the descriptins f the places.
听力技巧：听主旨，抓描述性最高级词汇（highest,largest...）
highest muntain
biggest desert
lwest place
deepest pint
Try t read the fllwing numbers.
416 8,848.86 11,000 9,000,000
英语中，数字从后往前数，每三位标一个逗号。例： 9,000,000百位和十位中间加and小数点读作pint, 小数点后的数字逐个单独读出。
Listen again. Cmplete the measurements.
听力技巧：精听，边听边记录关键数据。
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 + 形容词 / 副词最高级”后面可用带有 f 、in、n 的短语等来说明比较的范围，意为“……在……中最……”。
04 迁移创新
Migratin Innvatin
Useful expressins:主语+谓语(+the)+最高级+ in/f/amng短语.
Talk abut the places yu have learnt abut.
A: What’s the lwest place n earth?B: It’s : Hw lw is it?B: Its surface is ... metres belw sea level.A: Nw, what’s ...
Reprt yur grup’s discussin result t the class.
Hell, everyne! I'd like t share ur grup’s result abut amazing places we will g.We chse... because it’s the ... in the wrld. It’s ... meters high/deep.It’s als wuld like t explre ... Because ... it’s the ... in the wrld. It’s ... meters high/deep. It must be all lve t explre the wrld. Thank yu!
05 回顾总结
Language pints
wnder /ˈwʌndə(r)/ v. 想知道；感到惊奇 n. 奇迹；奇观
---- wnderful adj. 精彩的；绝妙的 ---- wnderland n. 仙境；奇境
1.We all wnder ______ (at/in/fr) the beauty f the sunset.2. We had a _________(wnder) time at the beach last weekend.3. The Grand Canyn(科罗拉多大峡谷) is ne f the natural _________ (wnder) in the wrld.
(1)想知道，后常接宾语从句、疑问词+不定式结构,相当于want t knw。例：I wnder what he is ding nw.我想知道他现在在做什么。(2)感到惊奇；惊叹，常用搭配wnder at sth例：We all wnder at his rapid prgress in English.我们都对他英语的快速进步感到惊叹。(3)作名词，意为“奇迹；奇观”，常用搭配 the wnders f...（……的奇迹）例：The Great Wall is ne f the great wnders f the wrld.长城是世界上伟大的奇迹之一。
(the+)最高级(+名词)+in/f 短语， 意为“……中最……的”。 I think spring is the best time f a year. 我认为春天是一年中最好的时节。 Tm wrks (the) hardest in Class3. 在三班汤姆学习最努力。。
ne f the +形容词最高级+可数名词复数+in/f 短语，意为“……中最……的……之一”。 Hangzhu is ne f the mst beautiful cities in the wrld. 杭州是世界上最美的城市之一。
the +序数词+形容词最高级+可数名词单数+in/f 短语, 意为“在…中是第几……的……” As we all knw, the Yellw River is the secnd lngest river in China. 众所周知,黄河是中国第二长河。。
最高级（-est）的用法
07 课堂小测
1. The Great Pyramid is a great ___________ (奇观) f the ancient wrld.2. We need t get the exact _____________ (测量数据) f the rm befre buying the carpet.3. The temperature tday is five degrees ___________ (低于) zer.4. The water __________ (水平面) in the lake is rising because f the heavy rain.5. The _________ (表面) f the mn is cvered with dust and rcks.6. Munt Qmlangma is the _________ (high) muntain in the wrld.7. The Sahara is by far the __________ (large) ht desert n Earth.8. What’s the __________ (deep) pint in the cean? — It’s the Mariana Trench.9. Scientists use special tls fr the __________ (measure) f the trench’s depth.10. We lked at the stars and __________ (wnder) if there is life in space.
measurement
measurement