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1、方式比较状语从句,Draw a cat as I taught you . 按照我教你的画一只猫。 Do as you are told. 按照人家告诉你做的去做。,as，按照或正如,They treat the black boy as if (though) he were an animal. 他们对待这黑孩子仿佛他是一头牲口。,as if/as though好象,似乎,He must do as the doctor advises. 他必须按照医生所说的去做 Leave as it is 维持原状 He attended the meeting on time as he had b
2、een told to do 他按照要求，准时出席了会议,just as:正如.,She went to the beach with me just as she had promised me to do 正如她所许诺我的，她和我一起去了海滨 I did it just as you told me 我正是按照你说的办的,as if和as though (1)两者用法相同，都表示“好像，仿佛”。 (2) as if和as though引导方式状语从句中 即可用陈述语气，表示与事实相符的情况; 也可用虚拟语气，表示可能性很小的或与事实不符的情况 。 e.g. It looks as if i
3、t is going to rain. The child talks as though he were a man.,It looks as if the weather may pick up very soon. 看来天气很快就会好起来。（实现的可能性较大，谓语用陈述语气。） He acted as if he were brave 他装的好像很勇敢的样子（与现在事实相反，谓语用虚拟语气。） I feel as if I were floating on air 我感觉好像漂浮在空中一样（与现在事实相反，谓语用虚拟语气。）,as if / as though也可以引导一个分词短语、不定
4、式短语或无动词短语， 例如： He stared at me as if seeing me for first time. 他目不转睛地看着我，就像第一次看见我似的。,He cleared his throat as if to say something. 他清了清嗓子，像要说什么似的。 The waves dashed on the rocks as if in anger. 波涛冲击着岩石，好像很愤怒。,比较状语从句：,引导词:as.as(和一样), not as/soas(不如), than(比), the morethe more(越越).,主要运用于形容词，副词的原级，比较级和最
5、高级的句子之中,more.than (.比.更.)the more .of .（两者之中.比较.的）,This film is more moving than that one. 这部电影比那部电影感人。 This film is the more moving of the two films. 这部电影是两部电影中比较感人的。 This film is the most moving of the three. 这部电影是三部电影中最感人的。,“no+形容词/副词比较级+than”表示“和一样不”，相当于“neithernor” ；对于两者的否定，用于两者比较 e.g. She is n
6、o more diligent than her sisters. =Neither she nor her sisters are diligent.,not+形容词/副词比较级+than”表示“不像/不如.一样”。表示程度上的差异，是普通的比较级结构 e.g. She is not more diligent than her sisters =she is not as diligent as her sisters,He speaks Shanghai dialect no better than I. 他和我一样上海话说不好。 He doesnt speak Shanghai dia
7、lect better than I. 他说上海话不比我说得好。 This fairy is no more interesting than that one 这个童话和那个一样没趣。 This fairy is not more interesting than that one 这个童话不如那个童话有趣。,“no more than数词”表示一个确切的数字，意思是“只不过,仅仅”相当于“only”；具有感情色彩，含有“嫌少”的意思，不表示比较 如: It is no more than ten minutes walk from the station to the hotel 从车站走
8、到宾馆只有10分钟的路程,“not more than+数词”表示不超过相当于at most（至多，不超过）。客观的说明一个事实，没有感情色彩，不表示比较 It is not more than ten minutes walk from the station to the hotel. 从车站走到宾馆至多10分钟的路程,（1）“no less than数词”表示一个确切的数字，意思是“多达” 相当于“as much(many) as ” ； “not less than数词”表示“不少于，至少” ，相当于at least。如： No less than 100 students enter
9、ed for the popular science English contest. 多达100学生报名参加了科普英语竞赛 Not less than 100 students entered for the popular science English contest.,(2)此外，“no less+原级+than”表示“和一样”相当于“asas” ； “not less+原级+than”表示“至少不亚于”。如： He is no less quick at figures than I. 他对数字反应和我一样快。 He is not less quick at figures than
10、 I. 他对数字反应之快不亚于我。,*其他与比较有关的结构有哪些 1.“the+比较级”表示“越就越”。 The harder we work, the happier we feel The more you study, the more you know. 2.“比较级+and+比较级”表示“越来越 多音节的形容词和副词就用“more and more+原级”。如： As it was getting hotter and hotter ,he became thirstier and thirstier. She felt more and more excited,even frig
11、htened.,A+基数词+time as +形容词/副词原级+as +B(A是B的几倍） This room is three times as large as that one 这间屋子是那间的三倍大。 This red box is half as large as the blue one 这个红色盒子是那个蓝色盒子的一半大,倍数表达法,A+基数词+times +名词/代词+of +B(A是B的几倍） The age of my grandpa is four times the age of mine =The age of my grandpa is four times tha
12、t of mine =My grandpa is four times as old as I 我爷爷的年龄是我的4倍。,A+基数词+times +比较级+than+B(A比B大，小，长几倍） This hole is five times deeper than that one =This hole is six times as deep as that one =This hole is six times the depth of that one 这个洞是那个洞的6倍深。,他们的房子是我们的两倍.,Their room is twice bigger than ours.,Thei
13、r room is twice as big as ours.,Their room is twice the size of ours.,Length /height/weight/ width,1 Just _water is to fish, so air is to man. A.since B.what C.like D.as 2 Reading is to mind _ food is to the body. A.that B.what C.as D.like,1.Scientists generally agree that the Earths climate will wa
14、rm up over the next 50 to 100 years_ it has warmed in the 20,000 years since the Ice Age. A. so long as B. as much as C. as long as D. as well as 2.It is generally believed that teaching is _ it is a science. A. as art much as B. much an art as C. as an art much as D. as much an art as,1. The little
15、 boy ate a big meal _ he said he wasnt hungry. A. if B. though C. because D. as 2. The boy doesnt speak _ his sister, but his written work is very good. A. as well as B. so good as C. more better than D. more worse than 3. If you _carefully, you _the report well. A. will listen; will be understood B
16、. will listen; understand C. listen; will understand D. listen; understand,4. -Its time to do your homework, Jack. -Yes, Mum. Ill turn off the TV as soon as the programme_ . A. ends B. end C. will be ended D. will end 5. Catherine _the letter before her mother came into her bedroom. A. has written B. was written C. had written D. is w
