as考点归纳大全.doc

一、考查as原级比较结构及插入名词的位置问题 典型命题: 1. Our neighbour has ______ ours. A. as a big house as B. as big a house as C. the same big house as D. a house the same big as 2. John plays football______, if not better than, David. A. as well B. as well as C. so well D. so well as 解析:一般来讲,形容词、副词原级比较的结构为“...(not) as (so)+adj./adv.+as...”表示前者与后者一样/不一样。如果中间有名词,其常用结构为“... as+adj.+a(n)+名词+as...”。 真题直练 1. It is generally believed that teaching is ______it is a science. A. an art much as B. much an art as C. as an art much as D. as much an art as 2. She doesnt speak ______her friend, but her written work is excellent. A. as well as B. so often as C. so much as D. as good as 3. The piano in the other shop will be ______, but ______. A. cheaper; not as better B. more cheap; not as better C. cheaper; not as good D. more cheap; not as good 4. After supper she would sit down by the fire, sometimes for ______an hour, thinking of her young and happy days. A. as long as B. as soon as C. as much as D. as many as Key:1—4 DACA 二、考查as构成的倍数表达法 典型命题: The house rent is expensive. Ive got about half the space I had at home and I am paying______ here. A. as three times much B. as much three times C. much as three times D. three times as much 解析:如果表示一方是另一方的若干倍时,“……倍数+as+原级形容词/副词+as…… ”为一常用结构。 真题直练 1. With the help of the German experts, the factory produced ______ cars in 1993 as the year before. A. as twice many B. as many as twice C. as twice as many D. twice as many 2. After the new technique was introduced, the factory produced______ tractors in 1988 as the year before. A. as twice many B. as many twice C. twice as many D. twice many as Key:1—2 DC 三、考查充当连词的as 典型命题: 1. ______, I have never seen anyone whos as capable as John. A. As long as I have travelled B. Now that I have travelled so much C. Much as I have travelled D. As I have travelled so much 解析:此题中as引导倒装结构,表示让步关系,其结构为“……as+主语+谓语+……”。 特别提示:使用此结构时应注意以下几点:1)倒装的部分一般为表语、状语和动词原形。2)表语是不带定语的单数可数名词,其前面的a(an)要省去;3)倒装的动词原形