1、objectivesTo use comparison of adjectives correctly1.They can eat fish as big as themselves.2.Look carefully for the tiniest fish in the world.3.They are less colourful than some other fish4.It is not as big as a fly in your house.本课呈现语法点5.Its three times big as underwater.6.Come and see the strange
2、st fish in the world.7.Swim with dolphins and face an attack by the most dangerous creature in the sea-the great white shark.to test your sense of observationto test your ability of short-term memory to test your ability to highlight the language pointsGuess1.They can eat fish _(big 同级比较)themselves.
3、2.Look carefully for _ _(tiny最高级)fish in the world.3.They are less _(colour)than some other fish4.It is not as _(big)as a fly in your house.as big asthetiniestcolourfulbigFill in the blanks5.Its three times _(big)as underwater.6.Come and see the _(strange)fish in the world.7.Swim with dolphins and f
4、ace an attack by _(dangerous最高级)creature in the sea-the great white shark.the most dangerousstrangestbig1.I wish youd do _talking and some more work.Thus things will become better.A.a bit less B.any less C.much more D.a little more 2.Is your headache getting _?No,its worse.A.betterB.badC.lessD.well
5、3.Mr.Smith owns _ collection of coins than anyone else I have ever met.A.largerB.a largerC.the largerD.a large 4.John is very lazy.He falls _ behind in his studies.A.veryB.farC.moreD.still以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。一.形容词和副词比较等级的用法 1)原级比较：表示两者程度相同。用句型：as+形容词/副词+as
6、，否定形式为：not as/so+形容词/副词+as。如：Dick is as tall as his brother.Tom speaks as quickly as his cousin.I have never seen a person as/so clever as he is.2)比较级：A.表示A超过B。此时使用形容词和副词的比较等级。Susan is happier than Jane.His brother is younger than me.Beijing is more beautiful than Osaka.形容词比较级前还可以用much,even,still,a
7、little,far,a lot,a bit,much more来修饰。very,so,too,quite 不能修饰比较级。B.表示A不如B。用“less+形容词/副词的原级”表示。Rabbits ran less fast than dogs.Jenny is less clever than her sister.It rains less often here in autumn than in spring.3)形容词和副词比较级的特殊用法A.越来越，You are growing taller and taller.你越长越高了。English is becoming more an
8、d more important.英语越来越重要了。B.越，越，The harder you push,the more quicklythat cart will move.你越使劲推，车就跑的越快。The more careful you are,the better you will do in the exam.你越小心，就会考得越好。The more you practice,the more fluently you will speak.你练得越多，讲得就越流利。C.表示两者之中比较的一个，用of引导，比较级前加上the。Look at the two boys.My broth
9、er is the taller of the two.This is the bigger of the two rooms.这个房间是两个中较大的一个。D.no more than表示“只；不超过；不多于”，相当于only。His whole school added up to no more than one year.他所接受的学校教育不过一年。She has no more than one yuan in her pocket.她兜里只有一块钱。E.no more than表示“一样不”；而not more than则表示“不像那样”，相当于“not so as”。He is f
10、eeling no better than yesterday.他觉得不比昨天好多少。She is not more generous than her younger sister.她不如她妹妹那样慷慨大方。She is not so generous as her younger sister.相当于：F.no less than表示“多达，那样多;至少，起码”，相当于as much/many as，蕴含这个数是大的；而not less than表示“不少于”，不强调这个数的大小，只说明数据本身。I have no less than ten dictionaries.我起码有10本字典。
11、蕴含“我的词典多”I have not less than ten dictionaries.我拥有的词典不少于10本。不含“我的词典多”的意思，只说明一个事实。G 不用比较级的形容词，如：senior,junior,superior,inferior等。He is three years senior to me.他比我大三岁。Your knowledge of electronics is much superior to mine.你对电子学的知识远远超过我。H.比较级的修饰语。这些修饰语通常为副词或短语，置于比较级前面，说明比较级的程度。这些词有：a little,little,a b
12、it,bit,a lot,a great deal,much,far,rather,slightly,by far,even,still,nearly,almost,any,just,()times等。如：The moon is much smaller than the earth.The result of the experiment turned out to be even better than expected.Speak a bit more slowly,please.The output of the paper mill is three times higher tha
13、n it was last year.a.主语+谓语+倍数（或分数）+as+adj.+asThe big box is four times as heavy as the small one.大箱子是小箱子的四倍重。b.主语+谓语+倍数（分数）+the size(amount,length)of The earth is 49 times the size of the moon.地球是月球的49倍。倍数表示法:c.主语+谓语+倍数（分数）+形容词（副词）比较级+than The grain output is 8 percent higher thisyear than that of l
14、ast year.今年比去年谷物产量增加8%。d.还可以用by+倍数，表示增加多少倍The production of grain has beenincreased by four times this year.今年谷物产量增加了4倍。1.It is _ to spend money on preventing illnesses by promoting healthy living rather than spending it trying to make people _ after they are ill.(2008江苏)A.good;goodB.well;betterC.be
15、tter;better D.better;good 2.I like this jacket better than that one,but it costs almost three times _.(2008浙江)A.as much B.as many C.so much D.so many 3.How much _ she looked without her glasses!(2009全国I)A.wellB.goodC.bestD.better 4.Mr.Black is very happy because the clothes made in his factory have
16、never been _.(2010全国II)A.popular B.more popular C.most popular D.the most popular5.-The film is,I have to say,not a bit interesting.-Why?Its _ than the films I have ever seen.(2011江西)A.far more interesting B.much less interestingC.no more interesting D.any less interesting6.The result is not very im
17、portant to us,but if we do win,then so much _.(2012 全国)A.the best B.bestC.better D.the better7.I think watching TV every evening is a waste of time-there aremeaningful things to do.(2013 天津)A.less B.more C.the least D.the most8.This is by far _ movie that I have ever seen.（2013辽宁）A.an inspiringB.a m
18、uch inspiring C.the most inspiring D.the more inspiring 9.It may not be a great suggestion.But before_ is put forward,well make do with it.（2013全国）A.a good one B.a better one C.the best one D.a best one10.There are a small number of people involved,possibly _ twenty.（2013江西）A.as few as B.as little a
19、s C.as many as D.as much as1.这座桥的长度是那座的三倍。2.越努力，进步越大。3.马克是班上最聪明的。4.长江是世界上最长的河流之一。5.这是迈克尔杰克逊第三受欢迎的歌曲。2.The harder you work，the greater progress youll make.1.This bridge is three times as long as that one.3.Mike is the most intelligent in his class.4.The Changjiang river is one of the longest rivers i
20、n the world.5.This is the third most popular song of Michael Jackson.Translate and write them down.Write the adjectives in the correct form.Dolphins are(small)_ than whales but they are probably(intelligent)_ creatures in the sea.(big)_ dolphins can measure four metres in length but common dolphins
21、are usually less than two metres long.Dolphins are one of(friendly)_ creatures to people and often follow ships.Dolphinssmallerthe most intelligentThe biggestthe friendliestalso have a(good)_ system of communication than other animals.They are(easy)_of all animals to train and are often(popular)_ an
22、imals with children round the world.betterthe easiestthe most popular1.表示两者之中比较的一个，用of引导，比较级前加上_2.a.主语+谓语+倍数（或分数）+as+adj.+as3.b.主语+谓语+倍数（分数）+the size(amount,length)of 4.c.主语+谓语+倍数（分数）+形容词（副词）比较级+than theDo exercise 1 on P58.Read the report and think about how to write a tourist guidebook about your area.