课件24张PPT。Unit7 What’s the highest mountain in the
world?Section A（1a-2d）Warm-up1Presentation2Language Points3Exercise4Do you know these places?Warm-upFree talkQomolangma The SaharaThe Caspian SeaThe NileAsk and answerWarm-upDo you know how high is Qomolangma? It’s 8844.43 high.Warm-upDo you know how long is the Nile? It’s more than 6600 kilometers long. Warm-upDo you know deep is The Caspian Sea? It’s 1,025 meters deep. Warm-upDo you what size is The Sahara? It’s about 9,600,000 square kilometers in size.1a Match the facts you know.Presentation1b Listen and complete the sentences.1. 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.higherthe biggestthe deepestthe longestWhich is the highest mountain in the world?
Which is the longest river in Asia?... …Pair work-Talk about these pictures in pairs.How long is the Yangtze River? How long is the Yellow River? What’s the population of China? What’s the population of America? How long does the history of China last? How long does the history of America last? Doyouknow?Listen and number the facts(1- 4) in the order you hear them.6,300 5,000 5,464 300___ The Yangtze River is about ____ kilometers long and the Yellow River is ______ kilometers long.
___ China has the biggest population in the world. It’s a lot bigger than the population of the US.
___ China is over _____ years old. It has a much longer history than the US. The US is not even ___ years old.
___ China is almost as big as the US, but it is the biggest country in Asia.42136,3005,4645,000300Pair work-Make conversations using the
information in 2a.A: Did you know that China has the biggest population in the world?
B: Yes, I did. It’s a lot bigger than the population of the US.Example 1:A: Did you know that China is the biggest country in Asia?
B: Yes, I did. It’s almost as big as the US.Example 2:A: Did you know that Yangze River is much longer than the Yellow River?
B: No, I didn’t. How long is it?
A: It’s 6,300 kilometers long.
B: Wow! That’s very long!Example 3:Read the conversation and answer the questions:1. Which is the biggest man-made objects in the world？
2. Which is the most famous part of the Ming Great Wall?The Great Wall.Badaling part of the wall.Language points1. Feel free to ask me anything on today’s Great Wall tour.
在今天的长城游中，大家尽管问我任何问题，不要拘束。feel free是英语口语中一个常用表达。若有人让你feel free to do something，就是让你无需拘束，只管按照自己的意愿去做某事。e.g.
A: Can I use your bathroom?
我可以用一下你的卫生间吗？
B: Yes, feel free.
可以，请随意。as far as I know是一个固定的表达方式，还可以说so far as I know，意思是“据我所知”。2. As far as I know, there are no man-made objects as big as this.
据我所知，再没有像它这样大的人造物体了。e.g. As far as I know, Jack’s got twin sisters.
就我所知，杰克有一对孪生姐妹。
They’re not coming today, so far as I know.
他们今天不来了– 就我所知是这样的。Ⅰ. 用所给词的适当形式填空
1. Many_______(tour) come here to visit the big tree every year.
2. India is one of the_____ (old) countries in Asia.
3. The population of China_____ (be) the biggest in the world.
4. Mountain Tai is a lot_______ (high) than any other mountain in Shandong.
5. Dale didn’t go to the party. The main reason was_____
(study) for the test. Exercisetouristsoldestishigherto studyⅡ. 句型转换
1. This is a 2, 500-meter-long river. (改为同义句)
This river is 2, 500 .
2. The US is not as large as Russia. (改为同义句)
Russia is the US.
3. The population of Australia is 19, 300, 000. (对画线部分提问)
the population of Australia? meters longlarger thanWhat is4. The Great Wall is the longest wall. (改为同义句)
The Great Wall is any other wall.
5. Qomolangma is the highest mountain in the world. (对画线部分提问)
the highest mountain in the world? longer thanWhat isHomework:A: To memorize the important phrases
and sentences.
B: To make some dialogues about asking
the size of objects.课件28张PPT。Unit7 What’s the highest mountain in the
world?Section A（3a-3c）Review1Presentation2Language Points3Exercise4ReviewWhich is the highest mountain in the world?
Which is the longest river in Asia? …Ask and answer视频欣赏-QomolangmaPresentationWhat do you know about Qomolangma?
Talk about Qomolangma in pairs.Pre-reading1.自读文章，在书中划出重点、疑点后，翻译下列短语。先独立完成，后小组商议。1.最危险的山峰?????
2.世界上最危险的运动之一
3.登山（名词短语）/（动词短语）
Reading4.来自世界各地的登山者
5.横亘于中国的西南边界
6.在所有的山峰中
7.厚厚的云层8.更为严重的困难
9.寒冷的天气状况和强劲的暴风雪
10.首次到达珠穆朗玛峰顶的人Check the answers.1.最危险的山峰?
??????
2.世界上最危险的运动之一
3.登山（名词短语）/（动词短语）the most dangerous mountainone of the world’s most dangerous sportsmountain climbing/climb mountains4.来自世界各地的登山者
5.横亘于中国的西南边界
6.在所有的山峰中
7.厚厚的云层the climbers from all over the worldrun along the southwestern part of Chinaof all the mountainsthick clouds8.更为严重的困难
9.寒冷的天气状况和强劲的暴风雪
10.首次到达珠穆朗玛峰顶的人more serious difficultiesfreezing weather conditions and heavy stormsthe first people to reach the top of Qomolangma One of the most ___________ sports in the world is mountain _________, and one of the most _________ places to go for this is the Himalayas. These extremely high _______ attract _________ from all over the world. Many people say this is one of the most ________ parts of the world.2. According to the passage, fill in the blanks.dangerousclimbingpopularriskclimbersfamousThe Himalayas _______ along the ____________ border of china. Of all the peaks (tops), Qomolangma is the _________ and most _________. It’s _____________ to climb Qomolangma because thick clouds _______ the top of the mountain. Even more serious ___________ include the freezing ___________ conditions and the _______ storms.runssouthwesternhighestfamousthe hardestcoverdifficultiesweatherheavyThe first _________ to reach the top of Qomolangma – Tenzing Norgay and Edmund Hillary – did it in 1953. The first Chinese climber __________ the top in 1960, and in 1975, the first __________ did it too. peoplereachedwoman1.?What a mountain is Himalayas?
2.?Why is it dangerous to climb
Qomolangma?
3.?When did the first Chinese reach the top
of Qomolangma?It’s one of the most popular places for mountain climbing.Because thick clouds cover the top and snow can fall very hard.In 1960.3. Read the article again, and answer the following questions.Read the article again and complete the chart.Answer the questions using information from the article.1. Where are the Himalayas?
2. How high is Qomolangma?In the southwestern part of China.8,844.43 meters high.3. Why do so many people try to climb this
mountain even though it is dangerous?
4. What does the spirit of the climbers tell us?Because people want to challenge themselves in the face of difficulties.We should never give up trying to achieve our dreams. One of the world’s most dangerous sports is mountain climbing, …
“one of + the + 形容词的最高级 + 复数名词”，意为“最……之一”。如：
Miss Wang is one of the most popular teachers
in our school.
王老师是我们学校最受欢迎的老师之一。Language points2. It is also very hard to take in air as you get
near the top.
It is + adj. + to do sth.， it作形式主语放在
句首，而把真正的主语放在句尾。常用于
此句型的形容词有
important， difficult， dangerous，
necessary， useful， possible等，用
来对to do sth. 进行说明。此句型可以
转换成To do sth. is + adj.。e.g. It is important to study English well.
学好英语很困难。
It’s very difficult to climb Qomolangma.
攀登珠穆朗玛峰很难。4. The spirit of these climbers shows us that we should never give up trying to achieve our dreams.
give up 意为“放弃”，后面可以接名词、代词或v-ing形式作宾语。
注意：如果其宾语是名词，那么名词可以放在 give 和 up 之间，也可以放在 up 之后；如果其宾语是代词，那么代词只能放在 give 和 up 之间。如：My uncle wants to give up drinking wine.
Although English isn’t easy to learn, I won’t give it up.
5. Why do so many people try to climb this mountain even though it is dangerous?
even though 用作从属连词，意为“即使；尽管”，相当于even if，引导让步状语从句，一般不与
并列连词but连用。如：
Mr. Wang will come on time even though it rains.
尽管下雨，但王老师会按时来。The Yellow River is long.
The Yangtze River is a lot _______ than the Yellow River.
The Nile is ____________ of all.longerthe longestMake 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 asHomework:Retell the article, then preview the Grammar focus.课件22张PPT。Unit7 What’s the highest mountain in the
world?Section A（Grammar Focus-4c）Review1Presentation2Exercise3Liu Xiang is taller than Zhou Jielun .Zhou Jielun is tall .Yao Ming is the tallest of them.姚明刘翔周杰伦Look and say— What’s the _______ mountain in the world?(high)
— Qomolangma.
— How high is Qomolangma?
— It’s 8,844.43 meters high. It’s _______ than any other mountain.(high)highesthigherReviewFill in the blanks.— Which is the________ (deep)salt lake in the world?
— The Caspian Sea is the _______of all the salt lakes.(deep)
— Did you know that China is one of the _______(old) countries in the world?
— Yes, I did. It’s much _____(old) than the US. deepestdeepestoldestolder形容词和副词的比较级和最高级Presentation一、构成规则变化规则变化不规则变化不规则变化二、常见用法原级比较级比较级最高级1. Our family has bought a car so we can travel _____ than before. ??
most easily? ? B. less easily? ?
C. easily? ? D. more easily??
2. My father told me a story last night. It is ____ one I’ve ever heard. ??
the funniest? ? B. funniest? ?
C. funnier? ? D. the funnier? ?DA活学活用3. The _____ friends you have, the ____ you will be. ? ?? ?? ???
A. more, happy? ? B. many, happy? ?
C. more, happier? ?D. many, happier
4. When he heard a cry for help, he ran out as _______ as he could.
A. hardly? ?? ? B. quickly? ?? ?
C. finally? ?? ? D. slowlyCBFill 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 River1. She is ________ than ________.
A. busier / us B. busier / we
C. more busy / us D. more busy / we
2. China is ________ country in the world.
A. the third largest B. the largest third
C. the third large D. a third largest
4. — Which is ____ season in Beijing?
— I think it’s autumn.
A. good B. better C. best D. the best AAExerciseD4. — Which is ____, the sun, the moon or the earth?
— The moon is.
small B. smaller
C. smallest D. the smallest
5. I study English as ____ as my brother.
A. hard B. harder C. hardest DA7. Which is ____, a bicycle or a computer?
A. expensive B. more expensive
C. the most expensive
8. The Yellow River is one of ______ rivers in China.
A. long B. longer C. the longest BCHomework: 1. To memorize the important phrases and sentences.
2. To make some sentences using as … as,
... times … than, less than, more than课件19张PPT。Unit7 What’s the highest mountain in the
world?Section B（1a-2e）Warm-up1Presentation2Language Points3Exercise4Compare facts about these two animals. Use the language in the box to help you make sentences.Elephant
— is 350 cm tall
— weighs 5,000 kilos
— eats 150 kilos of
food a dayWarm-upDiscussPanda
— is 150 cm tall
(standing on two legs)
— weighs 100 kilos
— eats 10 kilos of food a dayExample sentences:
This elephant weighs many times more than this panda.(200 cm taller/shorter, weigh much more/less, eat much more/less, eat many times more)Listen and check(√) the numbers you hear.100 16 20 50
120 0.1 0.2 150 √√√√√PresentationListen again and complete the sentences.1. At birth, a baby panda is about ___ to ___ kilos.
2. At birth, a baby panda is about ___ cm long.
3. A baby panda is not black. It is ____ and it has no _____.
4. A panda can live up to ___ to ___ years.0.10.215pinkteeth2030Take turns telling your classmates
about pandas.A: A baby panda cannot see.
B: An adult panda weighs many times more
than a baby panda.Here are some facts about koala, use the information above to make sentences.Koala
— is 75 cm tall
— weighs 10 kilos
— eats leaves
— sleeps 20 hours a dayDiscussionTalk about pandas in your class.
Use these words to help you.big, bamboo, zoo, popular, cute, black and white, Sichuan, famous, endangered, beautiful, forest, protectReadingRead the article and answer the questions. What is Lin Wei’s job? 2. What do the baby pandas eat for breakfast? 3. What do adult pandas eat? A panda keeper.Milk.Bamboos.4. Why are pandas endangered? 5. What is one way of saving pandas? Less forest for pandas to live.Teaching children.Complete the sentences using words and phrases from the passage.The panda _______ at the Chengdu Research Base are awake very early in the morning to _______ breakfast for the baby pandas.keepersprepare2. Adult pandas do not have babies very ____, and some of the babies only live for a short time because of _______.oftenillnesses4. A special program in Chengdu teaches_______ about why pandas are __________ and how to save them.endangered5. The __________________ is also helping to save the pandas. It’s _______________ more trees to make more homes for the pandas.Chinese governmentnecessary to plant 3. Another reason for fewer and fewer pandas is because people are cutting down____ so pandas have fewer places to live.treeschildren1. At birth, a baby panda is about…
birth v. 出生 at birth 出生时
e.g. Man’s nature?at birth?is good. 人之初，性本善。
give birth to… 生（孩子）；产生
e.g. My aunt?gave birth to?a beautiful baby girl
yesterday. 昨天我婶婶生下一个漂亮的小女孩。Language points2. A panda can live up to 20 to 30 years.
up to 到达（数量，程度等）；不多于
e.g. In some area of Africa, children get
educated up to 12 years old.
在非洲的一些地区，孩子最多受教育到12岁。3. …they run over with excitement and some of them even walk into their friends and fall over!
run over 跑上前去
walk into （走路时意外）撞上
fall over 摔倒；倒下
e.g.
1) She ran over to say hello, but I didn’t recognize her.
2) As he was thinking too deeply and not playing attention to where he was going, he walked straight into a tree.
3) Don’t run too fast, or you might fall over.
4. Scientists say there are now fewer than 2,000 pandas living in the remaining forests.
living in the remaining forests 是一个现在
分词短语，用做定语，修饰pandas。
e.g. the girls singing under the tree
树下唱歌的女孩们
the women washing clothes by the river
河边洗衣服的女人们Discuss what other ways you think children can help to save the pandas.DiscussionExercise1.A panda eats 10______(kilo) of food a day.
2.A panda_______(eat) bamboo every day.
3.This elephant weights________________(好几倍)than
this panda.
4. A panda can _________(活到)20 to 30 years.
5.__________(出生时)，it is pink and very small.live up toeatskilosmany times moreAt birthFill in the blanks.Homework:Make a list about how to save pandas.课件18张PPT。Unit7 What’s the highest mountain in the
world?Section B（3a-Self Check）Review1Presentation2Exercise3ReviewImportant phrases:feel free
as far as I know
in the face of
even though
at birth
up to
run over
walk into
fall over
or so随意
就我所知
面对（问题、困难）
即使；虽然
出生时
到达
跑上前去；跑过去
走路时撞着
绊倒
大约What’s the highest mountains in the world?
Qomolangma.
How long is Qomolangma?
It’s 8,844.43 meters high. It’s higher than any other mountain.
Which is the deepest salt lake in the world?
The Caspian Sea is the deepest of all the salt lake.
Did you know that China is one of the oldest countries in the world?
Yes, I did. It’s much older than the US.Important sentences:1. …cm taller/shorter
2. much /even/a little/less +比较级
…times more than ….
Talk about how to protect pandas.Important structures: 鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物，对水的依赖程度很大，以致它们一旦离开了水便无法生活，鲸形状像鱼，鼻孔在头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。Presentation对于鲸鱼你知道多少？Read the following words and phrases about whales. Put them in the correct place in the chart.1. Humans catch whales for
meat, fat and oil
2. Eat small fish and other sea
life
3. Jump high out of the water
4. Rules on whale protection
5. Huge
6. Water pollution7. Live in the sea
8. Some kinds have teeth
9. Learn more about whales
10. Stop putting rubbish into
the sea
11. Sing songs
12. Whale parts sold to make
things likes candles and
soap5 8723 111 6 124 9 10Write a paragraph about whales and why they need to be protected. Use the information in 3a. Then make a poster.Whales are… They live in… They eat… They can…
One interesting fact is… Another interesting fact is…
Some kinds of whales are in danger because…
We should protect whales from…
I think people should/shouldn’t…1. Complete the chart.higherhighestmore dangerous the most dangerouslongerlongestmore popular the most popularSelf Check2. Match verbs and objects. Then add one more
object to each list.my healththe endsthe farmhouse3. Circle the correct word and /or fill in the blank with the correct form of the word in brackets for each sentence.1. An elephant weighs (few/many) times more than a dog.
2. An adult panda can eat (much/a little) more than a cat.
3. Canada is a (little/lot) less ______________ (crowded) than China.
4. A tiger is (much/a little) _________ (strong) than a man.more crowdedstronger1. The biggest ______ in the world is the Sahara.
2. The river is too ______ to swim in.
3. China is one of __________ civilizations (文明) in the world.
4. The ______ of the fastest animal is 120 kilometers per hour.
5. －What ______ do you need for your coat?
－I want a large one.desertdirtythe oldest一、根据句意，用适当的词填空。speedsizeExercise二、用括号内单词的适当形式填空。
1. Jim is very ______. Li Lei is _______ than Jim. (hungry)
2. Kate’s mooncakes are _________ of all. (nice)
3. Your box is ______ than mine. But his is _______ of the three. (heavy)
4. This TV play is _____ than that one. (good)
5. This picture is _______________ of the four. (beautiful)
6. Lucy did _____ than Lily. (bad)
hungryhungrierthe nicestheavierheaviestbetterthe most beautifulworse三、单项选择。1. My brother is _____ more outgoing than me.
A. many B. little C. much
2. Which city is _____, Beijing, Shanghai or Fuzhou?
A. beautiful B. the most beautiful
C. more beautiful
3. _____ children there are in a family, _____ their life will be.
A. The less, the better B. Fewer, richer
C. The fewer, the better
CBC4. Mobile phones are very popular now and they are ______ than before.
A. cheap B. cheaper C. the cheapest
5. In our city, it’s _____ in July, but it’s even ___ in August.
hotter, hottest B. hot, hot C. hot, hotter
7. Jack’s handwriting is as ____ as Mike’s.
A. good B. better C. best
BCA8. We can do the work better with ____
money and ______ people.
A. little, few B. less, fewer C. fewer, less
9. Jim is the tallest student in our class and
Tom is the second ______ one.
A. tall B. taller C. tallestBC1. Write a paragraph about how to protect endangered animals, use the useful sentences in 3b.
2. Remember the words, phrases and sentences in this unit.课件26张PPT。初中英语人教版八年级下册Unit 7
单元总复习课件词汇训练营1句型大闯关2语法加油站3内容大纲词汇训练营1一、快速说出下列单词或短语。
1.平方；正方形 n. _________
2.米；公尺 n. _________
3.深的；纵深的 adj. ________
4.沙漠 n. _________
5.人口；人口数量 n. ____________
6.亚洲 n. _________
7.旅行；旅游 费 v./n. ________
8.古代的；古老的 adj. ___________squaremeterdeep?desert?populationAsia?快速回忆所学单词，看谁说得又快又准！ tourancient?tourist? 旅行者；观光者9.保护；防护 v. _________
10.宽的；宽阔的 adj. _________
11.成就；成绩 n. ______________
12.包括；包含 v. __________
实现目标；成功 v. __________
醒着的 adj. _________
遗留的；剩余的 adj. ___________
面对（问题、困难等） ________________
protect?wide?achievementinclude快速回忆所学单词，看谁说得又快又准！succeedawake?名词形式：protectionremainingin the face of形容词：successful动词形式：achieve单词填空，考查综合运用能力！1. Russia has the biggest __________ (人口)in Europe.
2. Each student should learn to __________ (保护)the wild animals.
3. The animals in the zoo are usually ________ (wake)at night.
4. Although Lucy tried her best to lose weight, she didn’t __________ (success).
5. A wolf is much _________ (wild)than a dog. 二、根据提示填空。population protect awakesucceed wilder句型大闯关2本单元重点句子有哪些？看谁说得多！about 9,600,000 square kilometers in size.
大约9，600，000平方公里。in size，是固定词组，译为：大小（面积）。
be+表示面积的数字+in size，表示多大的面积。2. Qomolangma is higher than any other mountain in the world.
珠穆朗玛峰比世界上的任何山都高。比较级＋than＋any other＋单数名词。珠穆朗玛峰比世界上的任何其他的山都高，不能和自己本身比较，所以用any other mountain. 经常用这种形式表示最高级的含义。本单元重点句子有哪些？看谁说得多！3. The main reason was to protect their part of the country.
主要的原因是保卫自己的国家。
protect v.“保护”。protect sb./ sth from 保护某人/某物使其不受……。4. As far as I know, there are no man-made objects as big as this.
据我所知，没有任何一个人造物有长城这么大。as far as I know据我所知。as far as “就……来说，至于……”,引导状语从句，强调范围或程度，常与动词know, see等连用，可放在句首或句中。本单元重点句子有哪些？看谁说得多！5. Why do so many climbers risk their lives?
为什么这么多登山者愿意冒生命危险？risk one’s life to do sth 某人舍命做某事。6. One of the main reasons is because people want to
challenge themselves in the face of difficulties.
最主要的原因之一是因为人们在面临困难的时候想挑战自我。challenge v/n. 挑战。
challenge sb. to sth向某人挑战。
in the face of 面对（问题、困难等）。本单元重点句子有哪些？看谁说得多！7. This elephant weighs many times more than this panda.
这头大象的重量是这只熊猫的很多倍。表示倍数的结构是：数词+times+比较级+than +比较对象，“比……多/大多少倍”；数词+times +as…as+比较对象，“是……的多少倍”。up to 高达；
up to +数量词 达到（某数量、程度等）；至多。
be up to sb. “由某人决定”。8. A panda can live up to 20 to 30 years.
一只熊猫活20年到30年。本单元重点句子有哪些？看谁说得多！9. The babies often die from illness and do not live very long.
熊猫幼崽常死于疾病，并且活不久。(1) die from + 外因 “死于……”，主要指事故等方面的外部原因。
(2) die of + 内因 “死于……”，主要指死于疾病、衰老、情感等自身原因。
(3) die out（家族、物种等）灭绝；绝迹。完成句子。
1. 一只大象的重量是一个成人重量的一百倍多。
An elephant weighs more than______ ________ _____heavier than an adult person.
2. 在困难面前，我们应该从不放弃。
We should never______ ______ in the________ _______ difficulties.
3. 一只熊猫可以活20到50年。
A panda can ______ ______ ______ 20 to 50 years.“学以致用”，你真的会用了吗？one hundred times give up face of live up to4. 他比其他任何一个男孩都聪明。
He is cleverer than ________ ________ ________.
5. 我冒着生命危险挽救了那个男孩。
I ______ ______ ______ to save the boy.
“学以致用”，你真的会用了吗？ any other boy risked my life语法加油站3大部分形容词、副词有比较级和最高级的变化：
原级——比较级——最高级。
1. 构成
形容词的比较级和最高级的构成有规则变化和不规则变化
两种。总结本单元的语法知识，你掌握了吗形容词、副词的比较级和最高级1)绝大部分双音节形容词和单音节形容词的比较级和最高级变化，请看下表：总结本单元的语法知识，你掌握了吗总结本单元的语法知识，你掌握了吗2)以ow，er，ly结尾的个别双音节形容词可以加 –er，-est构成比较级和最高级。
例：
原级 比较级 最髙级
narrow narrower narrowest
early earlier earliest
clever cleverer cleverest3)形容词的比较等级部分双音节和大部分多音节形容词比较级和最高级的构成是在原形前加more或most。
例：
原级 比较级 最高级
beautiful more beautiful most beautiful
useful more useful most useful总结本单元的语法知识，你掌握了吗4)不规则变化。
例：
原级 比较级 最髙级
good better best
bad, ill worse worst
many, much more most
little less least
far farther/further farthest/furthest总结本单元的语法知识，你掌握了吗2. 用法
最高级的基本用法：
常用“最高级+比较范围”结构，比较范围常用of, in, among引导的短语表达。
如：
China is one of the oldest countries in the world.中国是世界上历史最悠久的国家之一。
The book is the most interesting of all the books.这本书是所有书中最有趣的。总结语法知识，你掌握了吗比较级的基本用法：
用于两者之间的对比，与than连用。
如：
This lesson is more difficult than that one. 这课比那课难。
She is heavier than Kate.她比凯特重。总结语法知识，你掌握了吗比较等级的特殊用法：
1)比较级与最髙级的结构可以转换，意思不变。
如：
The Changjiang River is longer than the other rivers in China.在中国，长江比其他河流都长。
The Changjiang River is longer than any other river in China.在中国，长江比其他任何河流都长。
The Changjiang River is the longest river in China. 长江是中国最长的河流。总结语法知识，你掌握了吗2)被比较事物中不能包括本身。
He is taller than any other student in his class.他比班上其他学生都髙。
3)如果比较对象相同，可用that/those代替比较对象。
The food in Sichuan is hotter than that in Guangdong. 四川的食物比广东的食物辣。
4)“the+比较级，the+比较级”表示“越……，越……”。
The more, the better.越多越好。
The more careful you are, the fewer mistake you’ll make.
你越仔细，错误就越少。总结语法知识，你掌握了吗5)表示两者中“较……”时，用“the+形容词比较级+ of短语”来表达。
Canada is the larger of the two countries.加拿大是这两个国家中较大的那一个。
6)形容词的比较级可用much, a little, a lot, even 等修饰，使原本的比较级在语意上更加明确。
Apples are much bigger than oranges.苹果比桔子大得多。
Let’s go to school a little earlier.我们早一点去学校吧。
The movie is even more interesting.这部电影甚至更有趣。学以致用，各个击破语法点单项选择。
1. E-mail is much_____ than long-distance calling.
cheap B. the cheaper C. more cheap D. cheaper
2. —Which sport do you like _____?
—Swimming. It’s _____ of all sports, I think.
A. most; interesting
B. best; more interesting
C. best; the most interesting
D. better; more interesting句型大闯关 D C学以致用，各个击破语法点3. We are trying to make our country ________ now.
A. beauty B. much beautiful
C. more and more beautiful D. beautifully
4. Who is ________ of the two girls?
A. the tallest B. taller
C. the taller D. tallest
句型大闯关 C C课件18张PPT。Unit7
语法专项课件
（形容词、副词的
比较级和最高级）初中英语人教版八年级下册形/副比较级、最高级定义
两者比较用 ≥3者用最高级，
比较级，后接than 前加the 基本 用法Lily is taller than me.Tom is the tallest boy in our class.比较级和最高级的构成规则变化比较级和最高级的构成规则变化比较级和最高级的构成巧学妙记比较级要变化，一般词尾加-er。
词尾若有哑音e，直接加r就可以。
一辅重读闭音节，辅音字母要双写。
辅音字母加y，要把y改i。
最高级加-est，前面加the莫忘记。
形容词若是多音节，只把more, most前面写。比较级和最高级的构成不规则变化比较级和最高级的构成不规则变化比较级和最高级的常见用法原级比较级和最高级的常见用法比较级比较级和最高级的常见用法比较级比较级和最高级的常见用法最高级易错点1形容词比较级前可用a lot/far/a bit/much/even/still等词来修饰，表示“……得多”，“更……”，“……一些”。very, really, so, too, rather, pretty, quite等词后只能用原级。The problem is a lot more difficult than that one.
这道题比那道题要难得多。
He is so careless that he loses the purse.
他是如此粗心以至于弄丢了钱包。常见的用来修饰比较级的副词易错点2(1)形容词最高级用于同自身不同场合相比较时不带the。例如：
I’m busiest on Mondays. 我星期一最忙。(2)形容词最高级前有物主代词、名词所有格时，不带the。例如：
Alice is the old man’s youngest daughter.
艾丽斯是这位老人最小的女儿。形容词最高级前不用the的情况易错点2形容词最高级前不用the的情况(3)两个或多个形容词的最高级并列使用，从第二个起，就不带the。例如：
Bob is the youngest and tallest boy in our class.
鲍勃是我们班最小也是最高的男孩。
(4)形容词最高级在句中作宾语补足语时，常不带the。例如：
I think grammar hardest in our English study.
我认为在我们的英语学习中语法最难。【典例1】Farmers have become _______ in our hometown in recent years.
A. more and more rich
B. richer and richer
C. more rich and more rich考查形容词/副词比较级、最高级。“比较级and比较级”意为“越……就越……”，rich的比较级是richer。【典例2】—Let’s go shopping at the new mall.
—Why not shop online? It’s _______.
A. expensive B. more expensive
C. less expensive D. the most expensive考查形容词/副词比较级、最高级。由句意可知答语应为“为什么不网上购物？它更便宜。”less expensive意为“更便宜”。【典例3】If there is _______ pollution, the air in our city will be _______ dirtier.
A. less; more B. more; much
C. less; less D. more; more 考查形容词/副词比较级、最高级。less与more常用来修饰原级构成比较级，但是不能修饰比较级。
