英语人教版八年级下册Unit 7课件.ppt

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1、 Who is the tallest?MaryWho is taller?Li LeiLi Hua复习形容词和复习形容词和副词的比较等副词的比较等级级不规则变化不规则变化good/well much/many bad/badlylittle far better-best more-most worse worst less least farther farthest further furthestthinfatbig hotwet redheavyhappyeasy lazybusy funnydifficultseriousfriendly outgoingexpensive int

2、eresting形容词和副词比较级的用法形容词和副词比较级的用法 1.表示两者之间的选择表示两者之间的选择,可用可用“Which/Who +比较，比较，or?”.2.2.表示两者之间的比较，通常用连词表示两者之间的比较，通常用连词表示两者之间的比较，通常用连词表示两者之间的比较，通常用连词 than than 引导，引导，引导，引导，表示表示表示表示“更更更更一些一些一些一些”3.much/far/a lot,even,still,a little/a bit 修饰比较级修饰比较级,表示程度表示程度.Who runs faster,he or she?He runs faster than s

3、he.He runs much faster than she.形容词和副词比较级的用法形容词和副词比较级的用法 4.“比较级比较级+and+比较级比较级”表示表示“越来越越来越”5.“the+比较级比较级,the+比较级比较级”表示表示“越越,越越”6.表示不及另一方时，用表示不及另一方时，用“less+原级原级+than”(双音节和多音节词双音节和多音节词)He becomes healthier and healthier.The more you exercise,the healthier you will be.She is less healthy than he.He is h

4、ealthier than she.Our school is becoming more and more beautiful.1.比较级比较级+and+比较级比较级 越来越越来越2.the+比较级比较级,the+比较级比较级 越越,越越 3._you are,_mistakes you will make.(你越仔细，做错的题目就越少）4._ you eat,_youll 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.Th

5、e 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表示三者或三者以上比较,可用可用”Which/Who+最高最高 级级,or?”表示表示.2.最高级最高级+of/among(同类比较同类比较)in(范围比较范围比较)4.one of+形容词最高级形容词最高级+名词复数表示名词复数表示“最最 之一之一”3.序数词修饰最高级序数词修饰最高级形容词和副词的最高级的用法形容词和副词的最高级的用法Who

6、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.2.Lin Tao is _ in the class because he never gets to school on time.（最懒的学生之一）（最懒的学生之一）3.Edison was_ in th

7、e world.(最伟大的发明家之一）最伟大的发明家之一）one of the laziest studentsone of the greatest inventors1.The Yangtze River is_ river in the world.第三长河）第三长河）the third longest 1.Hainan is a very large Island.It is the second _ island in china.(large)2.Our teacher is as _ as before.(busy).Our teacher is as _ as before.(

8、busy).3.He is _ among us.(careful)3.He is _ among us.(careful)4.Li Lei jumped far _ than Jim.(far)4.Li Lei jumped far _ than Jim.(far)5.The busier he is,the _ he feels.5.The busier he is,the _ he feels.(happy)(happy)6.I think Yao Ming is one of _ basketball players in NBA.(hot)busythe most carefulfa

9、rtherhappierlargestthe hottest复习数字复习数字的读法的读法hundred thousand millionhundreds /thousands of3003303333,33333,333333,3333,333,333three hundredthree hundred and thirtythree hundred and thirty-threethree thousand,three hundred and thirty-threethirty-three thousand,three hundred and thirty-threethree hund

10、red and thirty-three thousand,three hundred and thirty-threeCan you read them?8,844 6,671 4,321 1,02523,345 34,666 43,233 9,600,000Whats the highest mountain in the world?How high is it?Do you know?Who is the tallest boy/girl in the class?Unit 7Whats the highest mountain in the world?Unit 7Whats the

11、 highest mountain in the world?is the highest mountain in the world.It is 8,844.43 meters high.珠穆朗玛峰（圣母峰）Now let enjoy the beautiful scenes of Qomolangma:Whats the deepest sea in the world?1,025 meters deepThe Caspian SeaWhats the longest river in the world?6,671 kilometers longThe NileWhats the big

12、gest desert in the world?9,600,000 square kilometers in sizeThe SaharaReviewReviewWords and expressionsRead the words and expressions loudly.square meterdeepdesertpopulationAsia feel freetourn.平方；正方形平方；正方形n.米；公尺米；公尺adj.深的；纵深的深的；纵深的n.沙漠沙漠n.人口；人口数量人口；人口数量n.亚洲亚洲(可以可以)随便随便(做某事做某事)n.&v.旅行；旅游旅行；旅游Words re

13、view touristwallamazingancientprotectwideas far as I known.旅行者；观光者旅行者；观光者n.墙墙adj.令人大为惊奇的；令人大为惊奇的；令人惊喜的令人惊喜的adj.古代的；古老的古代的；古老的v.保护；防护保护；防护adj.宽的；宽阔的宽的；宽阔的就我所知就我所知Words reviewTo learn to compare factsTo learn to express large numbersTo learn to talk about geography and natureTo learn new words:square,

14、meter,deep,desert,population,Asia,tour,tourist,wall,ancient,protect,wideMatch the facts you know.1aQomolangmaThe SaharaThe Caspian SeaThe Nileabout 9,600,000 square kilometers in size1,025 meters deep6,671 kilometers long8,844.43 meters highListen and complete the sentences.1.Qomolangma is _ than an

15、y 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.1bhigherthe biggestthe deepestthe longest A:What is the highest mountain in the world?B:Qomolangma.1cPairworkUse the information in 1b to make conversat

16、ions.A:What is the biggest desert in the world?B:The Sahara.Example 1:A:What is the longest river in the world?B:The Nile.Example 2:第二课时第二课时Can you tell something about country?It has long history.It has the biggest population in the world.Qomolangma is the highest mountain in the world.It is the se

17、cond largest countries in the world.The Yangtze River is the longest river in China.It is one of the oldest countries in the world.The Great Wall is very famous in the world.Listen and number the facts 1-4in the order you hear them._The Yangtze River is about _ kilometers long and the Yellow River i

18、s _ kilometers long._ China has the biggest population in the world.Its 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,and it is the biggest country in Asia.2a1432_The Y

19、angtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world.Its 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 bi

20、g as the US,and it is the biggest country in Asia.Listen again and fill in the blanks in 2a with the numbers in the box.2b6,3005,4645,0003006,300 5,000 5,464 3001432A:Did you know that China is one of the oldest countries in the world?B:Yes,I did.Its much older than my country.2cPairworkMake convers

21、ations using the information in 2a.A:Did you know that China has the biggest population in the world?B:Yes,I did.Its 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.Its almost as big as the US.Example 2:A:Did you know that Yan

22、gze River is much longer than the Yellow River?B:No,I didnt.How long is it?A:Its 6,300 kilometers long.B:Wow!Thats very long!Example 3:2dPairworkRole-play the conversation.Guide:Feel free to ask me anything on todays Great Wall tour.Tourist 1:How long is the wall?Guide:Ah,the most popular question!I

23、f were only talking about the parts from the Ming Dynasty,its about 8,850 kilometers long.This makes it the longest wall in the world.PairworkTourist 2:Wow,thats amazing!Why did the ancient emperors build the wall?Guide:The main reason was to protect their part of the country.As you can see,its quit

24、e tall and wide.As far as I know,there are no man-made objects as big as this.Tourist 3:Is Badaling part of the Ming Great Wall?Guide:Yes,its the most famous part.1.populationpopulation意为意为“人口数量人口数量”，谓语，谓语动词要用动词要用单数单数形式。形式。询问人口数量询问人口数量时要用时要用“Whats the population of.?”提问，而不用提问，而不用how many或或how much等提

25、问。等提问。表示人口表示人口“多多”要用要用large或或big；表表示人口示人口“少少”要用要用small。Practise这个城市的人口是这个城市的人口是600万。万。The population of this city is six million中国的人口比美国的人口多很多。中国的人口比美国的人口多很多。The population of China is much larger than that of the USA.2.Qomolangma is 8,844.43 meters high.It is meters high(long,wide).它它米高米高(长长,宽宽)。英语

26、表示英语表示“有多长有多长(宽，高宽，高)”时，时，一般将数词和数量单位放在表示长宽一般将数词和数量单位放在表示长宽高的形容词前作状语。高的形容词前作状语。这座山高三千多米。这座山高三千多米。The maintain is more than three thousand meters high.它离我们只有三十八万公里。它离我们只有三十八万公里。It is only 380,000 kilometers away.这座绿色长城长这座绿色长城长7,000公里。公里。The Green Great Wall is 7,000 kilometers long.Practise3.Did you k

27、now that China is one of the oldest countries in the world?that China is是是know的宾语从句。的宾语从句。尽管尽管主句的动词是过去时态，但由于宾语从句主句的动词是过去时态，但由于宾语从句陈述的是客观事实，所以从句仍用一般现陈述的是客观事实，所以从句仍用一般现在时。在时。4.Its much older than my country.much higher 意为意为“高得多高得多”。在形。在形容比较级前还可以用容比较级前还可以用much,even,a little,still,a lot,less等修饰词表示程度。等修饰

28、词表示程度。Practise他比我跑得更快。他比我跑得更快。He runs even faster than I.日本土地面积只比德国大一点儿。日本土地面积只比德国大一点儿。Japan is a little larger than Germany in area.5.As far as I know,there are no man-made objects as big as this.as far as I know意为意为“就我所知就我所知”，其他，其他常用口语表达有常用口语表达有as/so far as I can remember/I can tell/I can see等。等。P

29、ractise根据我记得的，她过去住在芝加哥。根据我记得的，她过去住在芝加哥。She lived in Chicago,as far as I can remember.as far as也可表示也可表示“远至远至”(在否定句在否定句中也可用中也可用 so far as)。Practise我们坐火车到北京，然后转乘公共汽车。我们坐火车到北京，然后转乘公共汽车。We will go by train as far as Beijing,and than take a bus.我们不如其他人走得远。我们不如其他人走得远。We didnt go as/so far as the others.man

30、-made为合成形容词，意为为合成形容词，意为“人造的人造的”。英语中像这样与英语中像这样与-made复合而成的形容词还复合而成的形容词还有：有：handmade(手工制作的手工制作的)、homemade(家庭制作的家庭制作的)、machine-made (机制的机制的)、tailor-made(量体定制的；特制的；定做的量体定制的；特制的；定做的)等，用以描述产品的生产或制造手段、特等，用以描述产品的生产或制造手段、特点等，甚至还有像点等，甚至还有像self-made(自学而成的；自学而成的；自我奋斗而成的；天然形成的自我奋斗而成的；天然形成的)可以用来描可以用来描述人。述人。Practis

31、e面包和糕点都是自家做的。面包和糕点都是自家做的。The bread and pastry are homemade.这个电影角色是专为那位男演员量身设这个电影角色是专为那位男演员量身设计的。计的。This movie role was tailor-made for that actor.课时重点回顾课时重点回顾Whats the population of.?It is meters high(long,wide).much,even,a little,still,a lot,less+形容形容词比较级词比较级as far as I knowas/so far as I can remem

32、ber/I can tell/I can seeas far as 远至远至合成词合成词man-madeNow 2 mins to test your spelling.1.English-Chinese square,meter,desert,population,Asia,wall2.Chinese-English 深的；随便；旅行；旅行者；令人大深的；随便；旅行；旅行者；令人大为惊奇的；古代的；保护；宽阔的；为惊奇的；古代的；保护；宽阔的；就我所知就我所知When finished,exchange your papers to see who does the best.注注:另附另附

33、word文档。文档。点击此处链接点击此处链接1.The p_ in our hometown is very large.2.We t_ by car every summer.3.We have to make plans to p _ the endangered animals.4.They came to a _(宽阔的宽阔的)river.5.Some _(古老的古老的)towns have walls around them.opulationourrotectwide根据提示完成句子。根据提示完成句子。ancientChoose the best answer.1.My broth

34、er is _ more outgoing than me.A.many B.little C.much2.October 12th was one of _ days in 2005.Shenzhou-VI was launched(发射发射)successfully.A.exciting B.more exciting C.the most exciting3.Which city is _,Beijing,Shanghai or Fuzhou?A.beautiful B.more beautiful C.the most beautiful4._ children there are i

35、n a family,_ their life will be.A.The less,the better B.Fewer,richer C.The fewer,the better5.Mobile phones are very popular now and they are _ than before.A.cheap B.cheaper C.the cheapest6.In our city,its _ in July,but its even _ in August.A.hotter,hottest B.hot,hot C.hot,hotter7.Of the two skirts,t

36、he pink one is _.A.the nicest B.the nicer C.nicer8.Jacks handwriting is as _ as Mikes.A.good B.better C.best9.We can do the work better with _ money and _ people.A.little,few B.less,fewer C.fewer,less10.Jim is the tallest student in our class and Tom is the second _ one.A.tall B.taller C.tallestFini

37、sh the sentences with the right forms of the adjs.1.Kate is young,but Joe is _.2.My shoes are new.My sisters are _ than mine.3.Her bag is heavy,and his is _ than hers.But yours is _ of all.youngernewerheavierthe heaviest4.Toms kite is high.Jims is _ than Toms.Mikes is _ of them all.5.Bill is seven.J

38、ohn is nine and Tom is eleven.Tom is _ than John and Bill.Bill is _ than John.Bill is _ and Tom is _ of the three.the highestolderyoungerthe youngestthe oldesthigher1.据我所知，他将外出三个月。据我所知，他将外出三个月。2.这条河长三百米。这条河长三百米。3.这个城市的人口有一千万。这个城市的人口有一千万。翻译下列句子。翻译下列句子。As far as I know hell be away for three months.Th

39、is river is 300 meters long.The population of this city is ten million.Homework1.Review the new words and expressions.2.发挥想象，连词成文发挥想象，连词成文(50-100字字)。square,meter,population,Asia,tour,tourist,wall,ancient,protect,wide,as far as I knowTo preview the article QomolangmaTo preview the new words and phrases