人教版八年级英语下册Unit 7 What’s the highest mountain in the world?Section A Grammar Focus-4c课件（41张PPT）

课件41张PPT。新目标初中英语八年级下Unit 7 What’s the highest mountain in the world?
Section A（Grammar Focus-4c）Grammar Focus1. —世界上最高的山峰是哪个？
— 珠穆朗玛峰。
— What’s ____________ mountain in
the world?
— Qomolangma.Fill in the blanks according to
Grammar Focus.the highest2. —珠穆朗玛峰有多高？
—它有8844.43米高。它比别的山都
高。
— How high is Qomolangma?
— It’s _________________. It’s
_______ than any other mountain.8844.43 meters highhigher3. —世界上最深的咸水湖是哪个？
—里海是世界上最深的咸水湖。
— Which is ___________ salt lake in
the world?
— The Caspian Sea is _________________________________.the deepestthe deepest of all the salt lakes4. —你知道中国是世界上最古老的国家
之一吗？
—我知道。中国比美国古老。
— Did you know that China is
______________________ in the world?
— Yes, I did. It’s much older than the
US. one of the oldest countries 规则变化
1) 一般情况下，单音节或双音节的形容词/副词比较级＋er， 最高级＋est。如:
clever — cleverer — cleverest
few — fewer — fewest
small — smaller — smallest 等。 一 、形容词、副词的比较级和最高级
规则变化和不规则变化2) 以e结尾的词，比较级＋r，最高级＋st 即可。 如：
nice — nicer — nicest
cute — cuter — cutest
large — larger — largest
3) 以辅音字母＋y结尾的变y为i＋er或est 如: easy — easier — easiest
happy — happier — happiest
再如：early, busy, heavy, dirty, lazy 等4) 重读闭音节，单辅音结尾的，双写这个辅音字母＋er 或 est的词：
① fat — fatter — fattest
② thin — thinner — thinnest
③ hot — hotter — hottest
④ red — redder — reddest
⑤ wet — wetter — wettest
⑥ big — bigger — biggest 5) 多音节和部分双音节的词需要在形容词
原级前＋more 构成比较级，＋the most 构成最高级。如：
beautiful － more beautiful － the most beautiful
又如: delicious, popular, important, interesting, expensive, creative
双音节的词如: careful － more careful － the most careful useful － more useful － the most useful不规则变化不规则变化1. nice
2. delicious
3. big
4. happy
5. cheap
6. heavy
7. difficult
8. little nicer nicest
more delicious most delicious
bigger biggest
happier happiest
cheaper cheapest
heavier heavier
more difficult most difficult
less least A quiz 比较级和最高级填空：比较级和最高级填空：shortershortestthinnerthinnestcloserclosestfriendlierfriendliestmore popularthe most popularmore comfortablethe more comfortablebetterbestworseworstmoremostfartherfarthest二、常见用法原级形容词和副词比较级的用法 1.Who runs faster, he or she?2.He runs faster than she.3.He runs much faster than she.4.He becomes healthier and healthier.5.The more you exercise, the healthier you will be.6.She is less healthy than he.1.表示两者之间的选择,
可用“Which/Who … + 比较，…or…?”.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 lot, even ,still ,a little/a bit …
修饰比较级,表示程度.Who runs faster, he or 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 becomes healthier and healthier.The more you exercise, the healthier
you will be.She is less healthy than he.He is healthier than she.Shanghai is becoming more and more modern.1.比较级 + and +比较级 越来越…
2.the+比较级 , the + 比较级　 越…, 越 … 3._______________you are, _________mistakes you
will make. (你越仔细，做错的题目就越少）
4. __________you eat, _________you’ll be.
(你吃得越多,就越胖)
5. Alice writes well. Mary writes _________________
than she. (甚至更好）The more carefulthe fewerThe morethe fatter1.The girl becomes ______________________.
(越来越漂亮）more and more beautiful2. The weather is getting _________________.
(越来越槽糕）worse and worseeven / still better1.表示三者或三者以上比较,可用”Which/Who …
+最高级,…,…or …?”表示.2. 最高级+of/among (同类比较) in… (范围比较)
4.one of +形容词最高级+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Who is the tallest, Tom , Mike , or Jack?Tom is the tallest of the three.Mike is the second tallest student in our class.Jack is one of the tallest students in our class.Tom runs (the) fastest in our class. 活学活用 Choose the best answer.
1. My brother is ___ more outgoing than me.
A. many B. little C. much
2. October 12th was one of ______ days in
2005. Shenzhou-VI was launched(发射)
successfully.
A. exciting B. more exciting
C. the most exciting
3. Which city is ______, Beijing, Shanghai or
Fuzhou?
A. beautiful B. more beautiful
C. the most beautiful4. Of the two skirts, the pink one is ______.
A. the nicest B. the nicer C. nicer
5. Jack’s handwriting is as ____ as Mike’s.
A. good B. better C. best
6. We can do the work better with ____
money and ______ people.
A. little, few B. less, fewer C. fewer, less
7. Jim is the tallest student in our class and
Tom is the second ______ one.
A. tall B. taller C. tallestFill in the blanks with the correct forms of the words in the box.big much popular long old high1. The Amazon River is one of the _______ rivers in the world. It’s a little _______than
the Yangtze River.
2. Qomolangma is 8,844.43 meters _____. It’s one of the most ________ places for serious mountain climbers.longestlongerhighpopular3. No ocean in the world is as _____ as the Pacific Ocean.
4. Although Japan is _______ than Canada, it is _______ smaller.bigoldermuchWrite two comparisons about two topics. Write true facts.Two rivers: _________________ and _________________
____________________________________________________________________________________________________________________________________________________________e.g. The Yangtze River is almost as long as the Amazon River.
The Amazon is longer than the Yangtze, but the Yangtze River is the longest river in China.the Yangtze Riverthe Amazon River- is 350 cm tall
weighs 5,000 kilos
eats 150 kilos of food a dayComparison (对比)- is 150 cm tall
weighs 100 kilos
eats 10 kilos of food a dayBoth elephant and panda are
the symbols of a country.
Do you want to know more information about them? /??nf??me??n / n.信息/ we? / v.称重是……Height(身高)350cm tallThe elephant is taller than the panda.150cm tallThe elephant is 200cm taller than the panda. The panda is shorter than the elephant.The panda is 200cm shorter than the panda.
weighs 5,000 kilos
eats 150 kilos of food a dayComparison (对比)
weighs 100 kilos
eats 10 kilos of food a dayweighs 5,000 kilosweighs 100 kilosThe elephant weighs more than the panda. The panda weighs less than the elephant.The elephant weighs many times more than the panda. Weight(体重)/ we? / v.
称重是……eats 10 kilosThe elephant eats more than the panda. The panda eats less than the elephant .The elephant eats much more than the panda. Foodeats 150 kilos The Yellow River is long.
The Yangtze River is a lot _______ than the Yellow River.
The Nile is ____________ of all.longerthe longestComplete the sentences using
the information in the forms.ExerciseThe Yangtze River is not ____ long ____ the Nile.
= The Yangtze River is not _______ than the Nile.as aslongerMount Tai is high.
Mount Huang is a little _______ than
Mount Tai.
Qomolangma is ____________ of all.Mount Tai is not ___ high ___ Qomolangma.
= Mount Tai is not _______ than Qomolangma.higherthe highestas ashigher1. The population of Singapore is large.
2. The population of Malaysia is much ______ than that of Singapore.
3. The population of China is _________ of all.largerthe largest4. The population of Singapore is not _____ large ____ that of China.
5. The population of Singapore is not _______ than that of China.aslarger as1) Qomolangma is ______than any other mountain in the world.
2) The Sahara is __________ desert in the world.
3) The Caspian Sea is __________ of all the salt lakes.
4) The Nile is ___________ river in the world.
5) What’s __________ mountain in the world?II. Fill in the blanks.higherthe biggestthe deepestthe longestthe highestgo
Ready?6) China has _________ population in the world.
7) It’s a lot ______ than the population of the US.
8) China is over 5000 years old. It has a _____ ______ history than the US.
9) China is almost as ___ as the US, and it is the _______ country in Asia.the biggestbiggermuch longerbigbiggest10) --Did you know that China is one of
________ countries in the world?
-- Yes, I did. It’s _____ ____ than my
country.
11) This makes it __________ wall in the world.
12) It’s ______________ part.
13) One of the world’s ______________ sports is mountain climbing, and one of _______________ places for this is the Himalayas. the oldestmuch olderthe longestthe most famousmost dangerousthe most popular1. His computer is cheaper than I.
2. Mary is very younger than her brother.
3. Shanghai is bigger than any city in China.
4. Tom is taller of the two brothers.
[烦恼一] 同类事物才能比较
[烦恼二] 错用修饰语。
修饰比较级只能用much / even / far / a little.
不能用very / so / too / quite来修饰。
[烦恼三] 同一事物不能比较。
同一事物在某一范围内进行比较，常用结构
比较级+than any (other)+单数名词
[烦恼四] 表示“…是两者中更…的一个”时, 用
“the + 比较级+ of the two”结构。the 不可缺。名医坐诊Homework:Compare our new countryside, Old city and New city in our county by using Comparative and Superlative Forms of Adjective and Adverbs.The harder you work , the higher you will fly（你越勤奋,你就飞得越高。）