初中英语人教新目标 (Go for it) 版八年级下册Section A教学课件ppt

这是一份初中英语人教新目标 (Go for it) 版八年级下册Section A教学课件ppt，共26页。PPT课件主要包含了Pair work，多位基数词读法，找规律，总 结 ，Exercise等内容，欢迎下载使用。

Grammar Fcus
4a. Fill in the blanks with the crrect frms f the wrds in the bx.
1. The Amazn River is ne f the _________ rivers in the wrld. It’s a little ________ than the Yangtze River.2. Qmlangma is 8,844.43 meters_______.
big much ppular lng ld high
It’s ne f the mst__________ places fr serius muntain climbers.3. N cean in the wrld is as ________ as the Pacific Ocean.4. Althugh Japan is __________ than Canada, it is_________smaller.
e.g. Tw rivers：_________________ and ________________________________________________________________________________________________________________________________________________
4b. Write tw cmparisns abut tw tpics. Write true facts.
the Yangtze River
the Amazn River
The Yangtze River is almst as lng as the Amazn River.
The Amazn is lnger than the Yangtze, but the Yangtze is the lngest river in China.
Tw cities：__________ and _____________________________________
Tw animals：__________ and __________1.______________________________________ 2.______________________________________ _____________________________________
4c. Write five questins using cmparisns. Then ask yur partner yur questins.
____________________________________________________________________________________________________________________________________________________________________________________
What is the highest building in ur city?
Wh is the ldest peple in ur city?
What is the mst ppular street in ur city?
What is the mst delicius fd in ur city?
Where is the busiest rad in ur city?
练一练3451001657,421
three hundred and frty-five
ne thusand (and) ne
six hundred and fifty-seven thusand, fur hundred and twenty-ne
three hundred and eighty-nine
fur hundred and fifty-seven
eight hundred and ninety
six hundred and eight
1）101~999的三位数由“百位数＋and+两位数组成”。 如：325—three hundred and twenty-five
102 ne hundred and tw
635 six hundred and thirty-five
表示不确切数目时，这类词后加-s且与f连 用。如： hundreds f peple thusands f students millins f birds billins f lins注意：这类短语中，名词前如有定冠词、指 示代词或形容词性物主代词时，可加f, 但 表示的是范围。如：tw hundred f the wrkers工人中的二百（人）
delicius – mre delicius interesting – mre interesting
2. 构成的规则变化:1) 单音节词和少数双音节词一般在词尾 后加-er 构成比较级 或-est构成最高级. 如： 原级 比较级 最高级 cld –—— clder –—— cldest bright——— brighter———brightest yung—— yunger—— yungest
2) 以字母 e 结尾的词只加 –r 或-st 构成 比较级和最高级。 原级 比较级 最高级 nice ——— nicer –——— nicest fine——— finer———— finest large —— larger ———— largest
3) 重读闭音节词末尾只有一个辅音字母时, 先双写这个辅音字母, 再加-er或-est。如: big – bigger – biggest thin – thinner – thinnest 4) 以“辅音字母+ y”结尾的双音节词， 先改y为i, 再加-er或-est。如： easy – easier – easiest happy – happier – happiest
构成的不规则变化:(一好一坏一多一少一远一老)e.g. gd / well – better – best bad / badly – wrse – wrst many / much – mre – mst little – less – least far – farther / further – farthest/furthest ld – lder / elder – ldest/eldest
最高级，很容易，一般词尾加est。(cheap-the cheapest)词尾若有哑音e, 直接就加st。(clse-the clsest)重读闭音节, 单辅音字母要双写。(big-the biggest)辅音字母加y, 记得把y变为i。(friendly-the friendliest) 多音节，考考你，the mst到底加哪里？(ppular-the mst ppular)
The Cmparative Superlative Degrees f Adjectives & Adverbs
形容词和副词比较级和最高级
late later - latest
early earlier – earliest
bigbigger- biggest
fluently/difficultmre～, mst～
重读闭音节、末尾只有一个辅音字母双写加 –er 或 –est
单音节词在词尾比较级加- er或最高级加- est
以e结尾的词，只需加－r 或－st
以辅音字母加 y 结尾双音节词变 y 为 i 加 –er 或 –est
部分双音节和多音节词在原级前加 mre 或 mst
少数以er,w 结尾的双音节词加-er -est
talltaller- tallest
clevercleverer-cleverest
cheap, cld, small, warm, yung, high
fine, nice, safe
happy, busy, dirty, easy, lazy, pretty
fat, ht, red, thin, wet, sad
narrw, yellw
quickly, slwly, useful, careful, ppular, mdern,
形容词和副词比较级和最高级构成 (规则变化)
形容词和副词比较级的用法
1.Wh runs faster, he r she?
2.He runs faster than she.
3.He runs much faster than she.
4.He becmes healthier and healthier.
5.The mre yu exercise, the healthier yu will be.
6.She is less healthy than he.
1.表示两者之间的选择, 可用“Which/Wh … + 比较，…r…?”.
2.表示两者之间的比较，通常用连词 than 引导， 表示“更······一些”．
3.much/far/a lt, even ,still ,a little/a bit … 修饰比较级,表示程度.
Wh runs faster, he r she?
He runs faster than she.
He runs much faster than she.
4. “比较级+and+比较级”表示“越来越……”
5. “the+比较级 , the + 比较级”表示“ 越…, 越 …”
6. 表示不及另一方时，用“less+原级+than…” 　 (双音节和多音节词)
He becmes healthier and healthier.
The mre yu exercise, the healthier yu will be.
She is less healthy than he.
He is healthier than she.
Shanghai is becming mre and mre mdern.
1.比较级 + and +比较级 越来越…2.the+比较级 , the + 比较级　 越…, 越 …
3._______________yu are, _________mistakes yu will make. (你越仔细，做错的题目就越少） 4. __________yu eat, _________yu’ll be.(你吃得越多,就越胖)5. Alice writes well. Mary writes _________________ than she. (甚至更好）
The mre careful
1.The girl becmes ______________________. (越来越漂亮）
mre and mre beautiful
2. The weather is getting _________________. (越来越槽糕）
wrse and wrse
even / still better
1.表示三者或三者以上比较,可用”Which/Wh … +最高级,…,…r …?”表示.
2. 最高级+f/amng (同类比较) in… (范围比较)
+名词复数表示“最… 之一”
3. 序数词修饰最高级
形容词和副词的最高级的用法
Wh is the tallest, Tm , Mike , r Jack?
Tm is the tallest f the three.
Mike is the secnd tallest student in ur class.
Jack is ne f the tallest students in ur class.
Tm runs (the) fastest in ur class.
3. Lin Ta is __________________________ in the class because he never gets t schl n time. （最懒的学生之一）4. Edisn was_________________________ in the wrld. 　(最伟大的发明家之一）
ne f the laziest students
ne f the greatest inventrs
The Yangtze River is__________________ river in the wrld. (第三长河）
the third lngest
2. The Atlantic is __________________ cean in the wrld. ( 第二大洋）
the secnd biggest
1. Flat A is mre expensive than Flat B Flat B is _____ __________ than Flat A. Flat B is ________ _______ Flat A. Flat B is nt ____ __________ ___ Flat A.
2. I prefer maths t English. I like maths __________________ English.
better than
3.He is the tallest student in the class. He is ______________________________ in the class.
taller than any ther student
any ther +　名词单数