1、外研版高一年级(必修1)Module 5Grammar Grammar 1）原级比较：表示两者程度相同。用句型as+形容词/副词+as表示,否定名式为: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.一.形容词和副词比较等级的用法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。如：Our classroom is brighter than yours.Do
2、gs run faster than rabbits.I dont think math is more important than physics.B.表示A不如B。用句型：less+形容词/副词的原级表示。如：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 如：You are growing taller and taller.你越长越高了。English
3、is becoming more and more important.英语越来越重要了。B.越，越 如：The harder you push,the more quicklythat cart will move.你越使劲推，车就越跑的快。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 fluentlyyou 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。如：Jack i
4、s the taller of the two brothers.杰克是兄弟两中较高的一个。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。如：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 morethan 表示“一样不”；而not morethan则表示“不像那样”，相当于
5、“not so as”。如：Hs is feeling no better thanyesterday.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。如：I have no less than ten d
6、ictionaries.我起码有10本字典。蕴含“我的词典多”I have not less than ten dictionaries.我具有的词典不少于10本。不含“我的词典多”的意思，只说明一个事实。G.no less than表示“不比差；与同样地”，相当于“as as”。如：She is no less beautiful than her sister.H.不用比较级的形容词如：senior,junior,superior,inferior等。如：He is three years senior to me.他比我大三岁。Your knowledge of electronics
7、is much superior to mine.你对电子学的知识远远超过我。I.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 bit,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 be
8、tter than expected.Speak a bit more slowly,please.The output of the paper mill is three times higher than it was last year.1.Ten years ago the population of our village was _ that of theirs.(陕西2008)A.as twice large as B.twice as large as C.twice as much as D.as twice much as【高考题展示】2.At a rough estim
9、ate,Nigeria is _ Great Britain.(上海2005)A.three times the size as B.the size three times of C.three times as the size of D.three times the size of3.In recent years travel companies have succeeded in selling us the idea that the further we go,_.(上海2001)A.our holiday will be better B.our holiday will b
10、e the better C.the better our holiday will be D.the better will our holiday be4.Of the two sisters,Betty is _ one,and she is also the one who loves to be quiet.(安徽2006)A.a younger B.a youngest C.the younger D.the youngest5.Youre driving too fast.Can you drive _?(2008全国卷I)A.more slowly a bit B.slowly
11、 a bit more C.a bit more slowly D.slowly more bit6.Your story is perfect;Ive never heard _ before.(2006全国卷II)A.the better one B.the best one C.a better one D.a good one7.I have worked with him for some time and have found that he is _ than John.(上海2004春)A.more efficiently a worker B.a more efficient
12、 worker C.more an efficient worker D.a worker more efficiently8.Our neighbor has _ ours.(北京2003)A.as a big house as B.as big a house as C.the same big house as D.a house the same big as9.John is the tallest boy in the class,_ according to himself.(安徽2005)A.five foot eight as tall as B.as tall as fiv
13、e foot eight C.as five foot eight tall as D.as tall five foot eight as10.Shall I give you a ride as you live so far away?Thank you._.(江西2005)A.It couldnt be better B.Of course you can C.If you like D.Its up to you11.Did you take enough money with you?No,I needed _ I thought I would.(2006全国卷II)A.not
14、so much as B.as much as C.much more than D.much less than Discuss in groups of three.Make sentences about the comparative sizes of the pairs.Use the words in the brackets.Winter in HarbinWinter in Beijing-20-5(cold/coldness)Mount Tai Mount Qumolangma1521m8848m(high/heigh(high/height)t)Diameter(直径）Ea
15、rth=1 Jupiter=11(big/size)(big/size)Example:A:The Yangtze River is about three times as long as the Songhua River.B:The Yangtze River is about three times longer than the Songhua River.C:The Yangtze River is about three times the length of the Songhua River.Practice Complete the sentences according
16、to the chart.Mars is _ the earth.(big)Jupiter is _ from the sun than the earth.(far)EarthMars JupiterDiameter(直径)10.511Distance from the sun11.55half as big asfive times furtherStudy the sentences and make a conclusion of the comparative structure of adjectives.The brown houses windows are twice as
17、wide as those of the white house.My handwriting is not half as good as yours.This room is three times as large as that one.小结:(1)倍数as形容词as The white box is four times deeper than the black box.This road is twice longer than that one.The plane flew nine times higher thanthe kite.小结:(2)倍数形容词的比较级than T
18、he red building is twice the height of the grey building.Our school is three times the size of yours.The street is four times the length of that one.小结:(3)倍数the size(length,width,height,depth)of倍数倍数+形容词比较级形容词比较级+than+than 倍数倍数+the(size,height,length,+the(size,height,length,weight,width,depth,age)+of weight,width,depth,age)+of 倍数（倍数（half,once,twice,half,once,twice,timestimes）+as+as+形容词形容词+as+as
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