沪教牛津版（2024）八年级上册（2024）Unit 3 Our digital livesSection 2 Exploring and applying rules (Grammar)教课ppt课

这是一份沪教牛津版（2024）八年级上册（2024）Unit 3 Our digital livesSection 2 Exploring and applying rules (Grammar)教课ppt课，共29页。PPT课件主要包含了学习目标， 新课导入， 应用实践， 回顾总结， 随堂小练， 学习理解， 迁移创新， 考点速递，学习内容等内容，欢迎下载使用。
understand hw digital technlgy changes ur lives.
imprve my digital literacy.
analyse the psitive and negative effects f the internet n daily life・
(city/big)
Shanghai is bigger than Hngkng.
Which city is bigger, Hngkng r Shanghai?
the Yellw River
the Yangtze River
(river/lng)
The Yangtze River is lnger than the Yellw River.
Which river is bigger, the Yellw River r the Yangtze River？
Linda is __________ girl f the three.
Nance is ___________ than Kate.
the tallest
Wh is taller?Wh is the tallest?
The purple bag is __________________ ne f all the bags.
The green bag is ____________ than the bule ne.
mre expensive
the mst expensive
Which is mre expensive?Which is the mst expensive?
It’s abut 9,600,000 square kilmeters in size.
Which desert is the largest in the wrld?
hw large is it?
Wh can answer mst quickly and crrectly?
The Yangtze River
It is abut 6,300 kilmeters lng.
What is the secnd lngest river in the wrld?
Hw lng is it？
What is the lngest wall in the wrld?
The Great Wall.
It’s abut 8,850 kilmeters lng. It’s the lngest wall in the wrld.
Cmparative and superlative adjectives
When we cmpare tw peple r things, we can use the cmparative frm f the adjective. When we cmpare mre than tw peple r things, we can use the superlative frm f the adjective.
Read the dialgue between Su Mei and Su Wen. Pay attentin t the wrds in bld.
Su Mei: Oh, what's this?Su Wen: It's a cmputer frm the 1940s. Yu knw what? The first cmputers were bigger than cars. Nwadays, cmputers are much smaller and better.Su Mei: I see. Besides size, what else is different?Su Wen: Cmputers tday are much faster than befre.
Su Mei: That must be true. Sme cmputers are even smarter than human beings.Su Wen: N, I dn't think s. I think human beings are the smartest. After all, we invented cmputers.
big bigger biggest smart smarter smartestinteresting mre interesting mst interesting
adjective cmparative adjective superlative adjective
形容词比较级/最高级的构成
1.表示两者之间的选择, 可用“Which/Wh … + 比较，…r…?”. Wh runs faster, he r she?2. 表示两者之间的比较，通常用连词 than 引导，表示“更····一些”． He runs faster than she.3. much/far/a lt, even, still, a little/a bit … 修饰比较级,表示程度.He runs much faster than she.4. “比较级+and+比较级”表示“越来越……”He becmes healthier and healthier.Shanghai is becming mre and mre mdern.
5. “the+比较级 , the + 比较级”表示“ 越…, 越 …” The mre yu exercise, the healthier yu will be.6. 表示不及另一方时，用“less+原级+than…” (双音节和多音节词)He is healthier than she. =She is less healthy than he.
1.表示三者或三者以上比较,可用“Which/Wh …”+最高级,…,…r …?”表示.Wh is the tallest, Tm , Mike , r Jack?2. 最高级+f/amng (同类比较) in… (范围比较)
Tm is the tallest f the three.Tm runs (the) fastest in ur class.3. 序数词修饰最高级Mike is the secnd tallest student in ur f +形容词最高级+名词复数表示“最… 之一”Jack is ne f the tallest students in ur class.It is ne f the widest rads in ur twn.
比较级形式表最高级含义。（比较双方属于同一范围内） a. 比较级＋than＋any ther＋单数名词+范围 He is taller than any ther by in his class. b. 比较级 ＋ than＋the ther＋复数名词+范围 比较级 ＋ than＋the rest f ＋ 复数名词+范围 比较级 ＋ than＋any f the ther+复数名词+范围 She ges t schl earlier than the ther girls in her class. China is larger than any f the ther cuntries in Asia. c. 比较级 + than + anything/anyne else Gerge did mre wrk than anyne else. Tm cared mre fr mney than fr anything else 汤姆最喜欢钱。
1 Cmplete the cnversatin with the cmparative r the superlative f the adjectives in brackets.
Su Wen: Did yu watch that science shw n TV last night, it was abut cmputers.Su Mei: N, I didn’t. Was it interesting?Su Wen: Yes! Scientists designed (1)________(early) chess cmputers in the 1950s. At the time, the cmputers culd nt beat human players. Even rdinary peple were(2)_________(gd) than these first chess cmputers. But in 1997, a cmputer named Deep Blue wn a chess match against the wrld champin. This was (3)___________(famus) chess game against a cmputer in histry.Su Mei: Ww, that's a big victry fr artificial intelligence (Al)!
Su Wen: Indeed! Back then, Deep Blue was(4)_____________ (pwerful) chess cmputer in the wrld. But nw, an rdinary cmputer can beat (5)____________(gd) human players.Su Mei: Well, that may be true, but humans invented AI. Als, cmputers cannt think like we d. That means humans are still(6)____________(smart) than cmputers!
• Which d yu think is mre cnvenient t read, e-bks r print bks?• Des... make yur life easier r harder?• Is it safer t make new friends nline r ffline?
2 Interview yur teachers and classmates abut their attitudes twards digital technlgy. Write questins with cmparative and superlative adjectives befre yu start.
Mst f my classmates / teachers think that it is mre say it is safer / easier t...
3 Summarize the infrmatin yu cllected in Exercise 2 and share yur findings with the class. Yu may begin yur summary with the fllwing sentences.
1.We have learned hw t use sme and any.2. We have learned hw t use smebdy , anybdy, nbdy, ect.
1. My brther has ____ bks than I. A. much B. mre C. many D. mst 2. The mre yu smile, the _____ yu will feel. A. happy B. happier C. happily D. mre happily3. I knw yu are shrter than yur brthers，but yu run _________. A. mre faster B. fastest C. mre fast D. fast 4. Mr Smith thught the Century Park was the secnd _____ in Shanghai. A. large B. larger C. largest D. very large5. I think English is as ____ as maths.   A. imprtant   B. mre imprtant   C. mst imprtant   D. imprtanter
1. China is _______ (large) than any ther cuntry in Asia.2. Our city is becming mre and mre _________ (beautiful).3. The _____ (much) we d fr the ld peple, the _______ (happy) we’ll be.4. My brther is the ______ (tall) f the tw bys in the picture.5. Her bedrm is twice _________ (big) than mine.6. Mrs. Smith lks much __________ (yung) with her new hairstyle.7. China is ne f __________________(ancient) cuntries in the wrld.8. The Yellw River is the secnd ________ (lng) river in China.
二、用括号中所给单词的适当形式填空
the mst ancient
二、根据汉语意思完成句子,每空一词。登陆火星比我们想象中要难得多，但我们做到了Landing n Mars was　 　 　 　 　　　　　than we imagined, but we made it. 2. 袁隆平是最伟大的科学家之一，他对世界做出了重要的贡献。Yuan Lngping, ne f 　　 　　　　 　　　　　, made imprtant cntributins t the wrld. 3. 我认为四月是泰国最热的月份。I believe that April is 　　 　　　　 　　　　in Thailand.
much mre difficult
the　greatest　scientists
the　httest　 mnth
4. 汤姆是我们班年龄第二大的学生。Tm is　　 　　　　 　　　　student in ur class. 5. 这栋房子的起居室比其他任何房间都大。The living rm is bigger　　　 　　　 　　　rm in this huse.
the　secnd　 ldest
than　any　 ther