Unit 4 The Wonders of Nature Section A Grammar focus （课件）人教版英语八年级下册

这是一份英语八年级下册（2024）Section A课文ppt课件，共30页。PPT课件主要包含了写出或读出下列数字等内容，欢迎下载使用。
通过听读例句、分析结构等方式，获取并正确认读形容词和副词比较级、最高级的构成规则（规则变化、不规则变化）及核心用法相关词汇与句式（如bigger, the biggest, mre amazing等），感知比较级与最高级的语法特征；（学习理解）
通过完成句式填空、改写句子、编写比较类问题等练习，获取比较级与最高级在描述事物特征、动作程度时的关键用法，归纳并内化“比较级+than”“ne f the+最高级+可数名词复数”等常用表达；（应用实践）
通过讨论、问答互动等活动，理解比较级与最高级在实际交际中描述事物差异、进行对比的意义，能够主动运用该语法结构描述身边的人或事物，并认同准确运用比较句式能让表达更丰富的语言理念。 （迁移创新）
Learn new wrds and phrases: waterfall, civilizatin, at all csts, develpment...
Cmpare facts abut famus places.
Learning gals
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
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.
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 ...
What is the name f the river mentined in the vide?
Is it the lngest river in China?
It’s the Yellw River.
N, the lngest river is the Yangtze River.
D yu knw anything else abut the Yellw River r the Yangtze River?
Language pints
物体长、宽、高、深等的表达基数词+单位词+形容词(lng、wide、high、deep等)基数词+单位词+in+名词(length、width、height、depth等)The river is 20 metres wide (= 20 metres in width). 这条河宽20米。
develp v.发展；壮大
develpment n.发展；壮大
develping adj.发展中的
develped adj.发达的
by the way 顺便提一下；附带问一句learn abut 了解ancient civilizatins 古代文明mther river 母亲河at all csts 不惜任何代价the develpment f ……的发展
Let’s enjy sme natural wnders f the wrld.
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
1. big 2. high 3. lw4. deep5. easy6. far 7. happy 8. lud 9. great 10. clse 11. amazing12. interesting
__________ _________ __________ _________ __________ _________ __________ _________ __________ _________ __________ _________ __________ _________ __________ _________ __________ _________ __________ _________ __________ _________ __________ _________
写出下列单词的比较级和最高级
mre amazing
mst amazing
mre interesting
mst interesting
1. 形容词或副词的比较级+than The Changjiang River is lnger than it. 长江比它长。 Bill runs faster than any ther by in his class.比尔跑得比班上其他任何男孩都快。
2.“比较级+and+比较级(单音节词和部分双音节词)” 或“mre and mre+原级(多音节词和部分双音节词)”表示“越来越……”。 Summer is cming. It's getting htter and htter. 夏天就要来了。天越来越热了。
3.“the +比较级...，the+比较级..”表示“越……,就越……”。 The mre yu read, the mre yu knw.你阅读得越多,知道的就越多。
1. (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。。
2. 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。
3.“Which/Wh...(the+)最高级，A,B r C?” 意为哪个/谁是最,A,B还是C？。 Wh sings best in yur class, Lily, Tm r Jack? 你们班谁唱得最好，莉莉，汤姆还是杰克？
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
9，365,278,689
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
fur thusand
three hundred and thirty-seven thusand