倍数表达法(附易错高考题)

倍数表达法本课件尽量收集更多的相关的倍数表达法，也罗列一些易错题。（张Arthur整理）返回一、提分句型：表示一、提分句型：表示“倍数的必备句型倍数的必备句型”The train runs six times faster than the boat.This garden is ten times as large as that one.火车比轮船快六倍。火车比轮船快六倍。这个花园是那个花园的十倍大。这个花园是那个花园的十倍大。返回3Their newlybuilt school is almost ours which was built ten years ago.Their newlybuilt school is almost ourswhich was built ten years ago.Their newlybuilt school is almost ours which was built ten years ago.他们新修建的学校几乎是我们十年前修建的学校的两倍大。他们新修建的学校几乎是我们十年前修建的学校的两倍大。five times as big asfour times bigger than返回 He earns he did ten years ago.他现在挣的钱比十年前挣的多 5 倍five times more money than返回5.：Weve produced this year as（we did）ten years ago.今年我们生产的棉花比十年前多了一倍。（汉语中的多一倍实际上也指两倍一样多。）twice as much cotton返回 这条路的长度是三年前的 4 倍。The length of the road is four times three years ago.what it was返回 Compared with last year，our coal output has increased .与去年相比，我们的煤产量增长了 3 倍。by three times返回我花费的时间是他花费时间的三倍返回：In this workshop the output of July was 3.5 times .这个车间七月份的产量是元月份的 3.5 倍。that of January返回：1、the sales of air-conditioners four times since 2002。2.The production has eight times返回 二、注意事项 1、两倍用twice/double.三倍及以上用.times.2、常见的倍数也可以用分数、百分数、或a quarter，a half 等修饰。试翻译：这个盒子比那个大三分之一。The box is one third times bigger than that one。返回易错题集锦1、（2002 上海春）Americans eat _ vegetables per person today as they did in 1910.A.more than twice B.as twice as many C.twice as many as D.more than twice as manyD。more than/over/above+数字，是属于概数表达法的一种。此外，此题考查as.as 表达法，第二个as已经给出。返回2、Ten years ago the population of our village was that of theirs。（2008.陕西）A.as twice large as B.twice as large asC.twice as much asD.as twice much as答案B.本题的关键是population的修饰词用的是large。1、表示人口的多或少,不用much或little,而要用large或small。例如:India has a large population.印度人口众多。Singapore has a small population.新加坡人口少。2、询问某国、某地有多少人口时,不用How much.?,而用How large.?;在问具体人口时用What.?例如:-How large is the population of your hometown?你们家乡有多少人口?-What is the population of Canada?加拿大的人口有多少?返回3、According to statistics，a man is to die of skin cancer as a woman。A.more than twice as likely asB.twice more than as likelyC.as likely more than twiceD.twice more than likely as答案 A.同第一题。返回4、(09四川19)My uncles house in the downtown area is much smaller than ours,but it is twice _ expensive.A.asB.so C.too D.very答案 A。考查as.as 结构的省略问题。返回5.（上海市六校2010届高三联考）The lady was so keen on the fur coat that she would have bought it even if it cost _A.as twice muchB.much as twiceC.as much twiceD.twice as much答案答案 D 同题同题4.返回6、（甘肃省皋兰一中、（甘肃省皋兰一中2010届高三上学期第届高三上学期第三次月考）三次月考）Even though you offered _ you have just offered,1 would not sell it to you.A.the money twice that B.twice the money that C.twice the money what D.the money that twice答案答案 B。that引导的定语从句。若选择引导的定语从句。若选择c，去掉选项中的去掉选项中的money即可。即可。返回7、（湖南省湘潭市凤凰中学2009届高三第六次月考）I remember Alice,my little niece,often asked questions that children _ would ask.A.twice so old as she B.twice as old as her ageC.older twice than her age D.twice of her age答案答案 D。若选择。若选择B，要去掉，要去掉age。返回8（安徽省两地2010届高三第一次联考）Much to his surprise，he invited only twenty friends to the dinner，but cameAtwice as many as Bas many as twice Ctwice as many Dtwice more than答案答案 C。as as结构的省略问题。结构的省略问题。第二个第二个as 为介词。为介词。返回9、（山西省平遥中学2009年 9月高三高补摸底考试）-What does the model plane look like?-Well,the wings of the plane are _ of its body.A.more than the length twice B.twice more than the length C.more than twice the length D.more twice than the length答案答案 C返回10、（辽宁省本溪县2010届高三暑期补课阶段考试）-It is said that the number of Chinese characters you can type on your mobile phone is_the total number of Chinese characters.-I know.That is because the character input systems are made by foreign cell phone producers.A.much than 25 percent B.25 percent as less asC.25 percent less than D.25 percent as much答案答案 C。考查倍数。考查倍数+the+名词的名词的用法。用法。