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1、英语倍数1. This room is three times as big as that one. 三倍大；大两倍He earns twice as much as he used to. 他比往常多赚二倍的钱。Weve produced twice as much cotton this year as ten years ago. 今年的棉花比十年前多了一倍。2. This room is three times the size of that room. 三倍大；大两倍This river is three times the depth of that one. 这条河深度是那条
2、河的三倍。The price of the meat is twice what it was last year. 肉价是去年的两倍。In this workshop the output of July was 3.5 times that of January. 七月份的产量是元月份的 3.5 倍I have five times the number of Toms books. 我有五倍于汤姆的书。Ive paid five times the usual price for the stamp.我出了5倍于往常的价格买这枚邮票。3. This room is twice bigge
3、r than that room. 大两倍；三倍大 This street is three times wider than that one. 这条街比那条街宽三倍。 I am twice older than he. 我的年纪比他大两倍。还可以用over，more than 等表示“比倍还要多”。例如：He is more than three times as rich as I. 他的财富是我的三倍还不止。I am more than twice as old as he. 我的年龄是他的两倍还不止。He studies more than three times as hard a
4、s I. 他用功的程度是我的三倍还不止。He has collected more than three times as many stamps as I .他搜集的邮票是我的三倍还不止。使用more.than 比较级的例句：He earns five times more money than he did ten years ago. 他现在挣的钱比十年前挣的多 5 倍。There are twice more students in our class than in theirs. 我们班的学生人数比他们班多两倍。比较级也可使用分数、小数等数字。例如：The box is one-t
5、hird bigger than that one. 这个盒子比那个盒子大三分之一。Last year the output value of industry was 59 percent higher than that of 1976. 去年工业产值比 1976 年增长了 59 。My command of English is not half so good as yours. 我英语掌握得还不及你的一半儿好。英语中有些词表示特定的倍数，例如： again (一倍), twice, double (两倍), triple (三倍), fourfold (四倍) 等数。My Aunt
6、is as old again as I am. 我姑姑的年龄比我大一倍。The top-brand clothes are often sold as double the normal price here. 售价经常比正常的售价高一倍。The new work procedure tripled the output. 新工艺使产量增加两倍。The output of grain increased fourfold. 粮食产量增加了三倍。使用by, compared with 等Compared with last year, our coal output has increased
7、 by three times.与去年相比，我们的煤产量增长了 3 倍。The number of the students in our school has increased four times compared with 1980.我们学校的学生人数比 1980 年增加了 3 倍。The price of TVs are twofold down over these years.近几年来，电视机的价格下降了两倍。Practice. 1. Americans eat _ vegetables per person today as they did in 1910.A. more t
8、han twice B. as twice as manyC. twice as many as D. more than twice as many2. Paper produced every year is _ the worlds production of vehicles.A. the three weight of B. three times the weight ofC. as three times heavy as D. three times as heavier as3. With the help of the German experts， the factory
9、 produced _ cars in 1993 as the year before.A. as twice many B. as many twiceC. twice as many D. twice many as4. This ship measures _ that one.A. as twice as long B. as twice long asC. twice long as D. twice as long as5. After the new technique was introduced, the factory produced _ tractors in 1988
10、 as the year before.A. as twice many B. as many asC. as twice as many D. twice as manyD B C D D A）根据第一句, 完成第二、三句, 每空填一词, 使句意不变。1. This river is three times as wide as that one.This river is _ times the _ of that one.This river is _ _ than that one.2. The meeting room is three times bigger than our o
11、ffice.The meeting room is _ times as _ as our office.The meeting room is _ times the _ of our office.3. The new building is five times the height of the old one.The new building is _ times as _ as the old one.The new building is _ times _ than the old one.A）1. three, width; twice wider 2. four, big;
12、 four , size 3. five, high; four, higherB）把下列句子译成汉语。1. 一米是一英尺的三倍多。_2. 现在我们家乡学校的数量比解放前增加了四倍。_3. 北京有我家乡城市的十个那么大。_4. 这个房子是那个房子的两倍大。_5. 早稻产量比去年提高百分之二十五。_答案:B）1. A meter is 3 times more than（. is 3 times the length of）a foot.2. There are now five times as many schools in my hometown as before 1949.3. Beijing is ten times as big as（nine times larger than ten times the size of）my hometown.4. This house is twice as large as that one.5. The output of early rice is 25 the height of last years.