倍数表达法及练习题

1、最新 料推荐当我 要表达甲是乙的几倍 ，通常用下面三个句型来表示：1. “倍数 +形容 （或副 ）的比 +than+从句”表示“ a 比 b 大（ 、高、 等）多少倍”this rope is twice longer than that one这.根 是那根 的三倍 （比那根 两倍） 。the car runs twice faster than that truck这. 小 的速度比那 卡 快两倍（是那 卡 的三倍）。2. “倍数 +as+形容 或副 的原 +as+从句”表示“ a 正好是 b 的多少倍”。asia is four times as large as europe亚.洲的面

2、 是欧洲的两倍。the plane flew ten times as high as the kite那.架 机的 行高度是那个 筝的十倍（高出九倍）3. “倍数 +the size/ height/ length/ width，etc.+of”表示“a 正好是 b 的多少倍”。this street is four times the length of that one这.条街是那条街的四倍 。this hill is four times the height of that smallone. 座山的高度是那座山的四倍（比那座山高三倍）除掌握倍数表达的三个常 句型外，我 更要注意的是

3、其常 句型的 形及其特殊 律。一、 常 句型的 形1. times+more+名 （可数，不可数） +thanthere are five times more books in our library than inyours.我 里的 比你 里的 多五倍。we have produced twice more grain this year than we did lastyear.我 今年生 的粮食是去年的两倍。2. times as many/much+名 +asthere is four times as much water in this pot as in that one.1

4、最新 料推荐there are six times as many students as we expected.3. times over+被比 象，表示“增加倍”the grain output in that village is twice over that of 2002.4. times+that of+被比 象，表示“是倍”in this workshop，the output of july was 4.5 times that of january.5. times+compared with+被比 象the number of the students in our s

5、chool has increased 4 timescompared with 1980.我 学校的学生人数比1980 年增加了三倍。6. times+what+从句the production is now three times what it was ten years ago1. “a+倍数 +形容 或副 的比 +than+b”，表示“a 比 b 大（ 、高、 等）多少倍”。如：this rope is twice longer than that one. 根 子是那根 子的两倍 （比那根 子 一倍）。this hall is five times bigger than our

6、classroom. 个大 比我 的教室大四倍（是我 教室的五倍）。the car runs twice faster than that truck. 小 的速度比那 卡 快一倍（是那 卡 的两倍）。2. “a+倍数 +as+形容 或副 的原 +as+b”，表示“a 正好是 b 的多少倍”。如：asia is four times as large as europe. 洲的面 是欧洲的四倍。2最新 料推荐this big stone is three times as heavy as that one. 大石 的重量是那 的三倍。the plane flew ten times as h

7、igh as the kite.那架 机的 行高度是那只 筝的十倍。3. “a+倍数 +the size/height/length/width， etc+of+b ”，表示“a正好是 b 的多少倍”。如：this street is four times the length of that one. 条街是那条街的四倍 。this hill is four times the height of that small one. 座山的高度是那座小山的四倍。除掌握倍数表达的三个常 句型外， 我 更要注意的是其常 句型的 形及其特殊 律。一。 常 句型的 形1. “ times+more+ 名

8、 （可数或不可数） +than+ 被比 象” 。如：there are five times more books in our library than in yours.我 里的 比你 多四倍。we have produced twice more grain this year than we did last year. 我 今年生 的粮食是去年的两倍。2. “ times as many/much+ 名 +as+被比 象”。如：there is four times as much water in this pot as in that one. 个 里装的水是那个 里的四倍。th

9、ere are six times as many students as we expected.学生数量是我 期的六倍。3. “ times+over+ 被比 象”。如：the grain output in that village is twice over that of 2002.那个村的粮食 量是2002 年的两倍。4. “ times+that+of+被比 象”。如：3最新 料推荐in this workshop ， the output of july was 4.5 times that of j anuary. 个 7 月份的 量是 1 月份的 4.5 倍。5. “ ti

10、mes+compared with+ 被比 象”。如：the number of the students in our school has increased 4 time s compared with 1980. 我 学校的学生人数比 1980 年增加了三倍。6. “ times+what+ 从句”。如：the production is now three times what it was ten years ago. 在的 量比十年前增加了两倍。二。 倍数 / 百分数（ percent ）+compared with/up on +被比 象。如：our factory s out

11、put of tv sets in the first six months ofthis year was 10% up compared with last year.今年 六个月我 厂 机的 量与去年相比增加了10%.the industrial output of last year in our factory was 35% upon that of 2001.我 厂去年的工 量比2001 年增加了 35%.三。 用 double 表示倍数1. double 用作形容 ，表示“两倍的”。如：the production is now double what it was ten y

12、ears ago. 在的 量是十年前的两倍。2. double 用作 ，表示“是的两倍。如：the output has been doubled in the past six years.在 去六年中 量已 翻了一番。this brought a steady rise in the grain yield. in 2002 it nearly doubled that of 1980. 使粮食 量不断增 ， 到 2002 年 量已 比 1980 年翻了一番巩固 1. americans eat _ vegetables per person today as they did in 19

13、10.a. more than twice b. as twice as many c. twice as many as d. more than twice as many4最新 料推荐2. paper produced every year is _ the worlds production of vehicles.a. the three weight ofb. three times the weight ofc. as three times heavy asd. three times as heavier as3.with the help of the german exp

14、erts，the factory produced _ carsin 1993 as the year before.a. as twice manyb. as many twice c. twice as manyd. twice manyas4. this ship measures _ that one.a. as twice as long b. as twice long as c. twice long as d.twice as long as5. after the new technique was introduced，the factory produced _tract

15、ors in 1988 as the year before.a. as twice manyb. as many as c. as twice as many d. twice as many6. it is reported that the united states uses_energy as the whole of europe.a.as twiceb.twice muchc.twice much asd.twice as much7. the house rent is expensive, i ve got about half the space i had at home and im paying _ here.a. as three times much b. a