初中英语Unit 7 What’s the highest mountain in the world?Section A教学课件ppt

这是一份初中英语Unit 7 What’s the highest mountain in the world?Section A教学课件ppt，共30页。

1.复习本单元目标句型, 熟练掌握形容词和副词比较级和最高级的运用。
2.能正确运用形容词副词的比较级和最高级进行事物间的比较，能用大数描述和谈论自然地理概述, 培养总结归纳的能力。
3.能正确运用形容词副词的比较级和最高级进行事物间的比较，能用大数描述和谈论自然地理概述, 培养总结归纳的能力。
Learning gals
4.通过语法结构的学习,思考如何运用语法结构帮助我们提高英语的听、说、读、写的能力。
Hw much d yu knw abut the scenery?
N muntain in the wrld is ____________ Qmlangma.
It is 8848.86 meters _____.
lt is ____________ muntain in the wrld.
It is ______ than any ther muntain in the wrld.
the highest
N desert in the wrld is ____________ the Sahara.
It is 9600000 square kilmeters ___________.
lt is _____________ desert in the wrld.
It is ______ than any ther desert in the wrld.
the largest
as large as
N river in the wrld is _____________ the Nile.
It is 6,671 kilmeters ______.
lt is ____________ river in the wrld.
It is ______ than any ther river in the wrld.
N salt lake in the wrld is _____________ the Caspian Sea.
It is 1025 meters _____.
lt is ______________ salt lake in the wrld.
It is ________ than any ther salt lake in the wrld.
the deepest
Read the fllwing sentences and find the cmparatives and superlatives.
此句型用比较级表达最高级含义
形容词和副词的原级,比较级,最高级
没有比较含义,“……”
两者间比较,“更……”
三者及三者以上比较,“最……”
注意：某些形容词和副词只用原级，如：perfect，excellent，dead等。
大多数形容词和副词有三个等级：_____________________。比较级表示_________，用于__________的比较，说明“前者比后者更……”。形容词、副词的最高级用于_____________的人或事物之间的比较，常用_________来说明比较的范围。形容词最高级前要加_________，副词最高级前的the_______。
形容词和副词的比较级和最高级的变化规则
smart→smarter→smartest
tall→taller→tallest
high→higher→highest
shrt→shrter→shrtest
slw→slwer→slwest
small→smaller→smallest
wide→wider→widest
fine→finer→finest
brave→braver→bravest
large→larger→largest
late→later→latest
cute→cuter→cutest
thin→thinner→thinnest
fat→fatter→fattest
big→bigger→biggest
ht→htter→httest
red→redder→reddest
wet→wetter→wettest
funny→funnier
lazy→lazier
early→earlier
easy→easier
happy→happier
heavy→heavier
beautiful→mre/mstbeautiful
interesting→mre/mst interesting
hard-wrking→mre/mst hard-wrking
ppular→mre/mst ppular
gd/well→better→best
bad/badly/ill→wrse→wrst
many/much→mre→mst
little→less→lest
ld→lder/elder→ldest/eldest
far→farther/further→farthest/furthest
形容词和副词的原级,比较级,最高级的用法
A baby panda is as cute as a baby elephant.
He studies as hard as his brther.
This muntain is nt as/s high as that ne.
He cannt run as/s fast as Jack.
This muntain is much higher than that ne.
My mm gt up earlier than me this mrning.
My mm is taller than my dad.
___________________________
Wh is taller, My mm r my dad?
The hrse walks faster than the turtle.
_________________________
Which animal walks faster?
The Yangtze River is the lngest river in China.
She jumps (the) farthest f the three.
Pandas are ne f the mst ppular animals in the wrld.
The Yellw River is ne f the lngest rivers in the wrld.
cheetah[ˈtʃiːtə]
—Which animals runs _________, dgs, hrses r cheetahs? (fast)
the fastest
—The cheetahs.
the + 序数词 + 最高级 + 可数名词单数 + in/f 短语该结构意为“……在……中是第几……的……”（从第二开始）。
Russia is __________ cuntry in the wrld. (large)
Canada is ________________ cuntry in the wrld. (large)
China is ______________ cuntry in the wrld. (large)
the secnd largest
the third largest
My father is taller than ______________ in my family.
My father is the tallest ne in my family.
My father is taller than _______________ in my family.
“比较级+than any ther+可数名词单数”=“比较级+than the ther+可数名词复数”表示“比其他任何……都……”, 表示最高级含义， 可与表示最高级的句子进行转换。
any ther member
the ther members
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 _______. 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.
bigmuchppularlngldhigh
e.g. Tw rivers: the Yangtze River and the Amazn RiverThe 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 _______________________________________________________________________________________________________________________________________________________________
Kuala Lumpur
Kuala Lumpur is as mdern as Singapre.
Singapre is bigger than Kuala Lumpur and has a larger ppulatin than Kuala Lumper.
A rabbit is bigger than a snail.
A snail is a lt smaller than a rabbit, and it runs much slwer than a rabbit.
1. ________________________________________________________2. ________________________________________________________3. ________________________________________________________4. ________________________________________________________5. ________________________________________________________
What is the highest building in ur city?What is the busiest subway statin in ur city?What is the largest shpping mall in ur city?Which is the biggest park in ur city?Which is the lngest rad in ur city?
Hmewrk1. D the exercises in students’ bk.2. Read and recite the wrds and phrases in Sectin A (GF-4c).3. Preview the passage in Sectin B 1a-1d.