倍数表达法及练习题

精品文档---下载后可任意编辑当我们要表达甲是乙的几倍时，通常用下面三个句型来表示：1. “倍数+形容词（或副词）的比较级+than+从句”表示“A 比 B 大（长、高、宽等）多少倍”This rope is twice longer than that one.这根绳是那根绳的三倍（比那根绳长两倍）。The car runs twice faster than that truck.这辆小车的速度比那辆卡车快两倍（是那辆卡车的三倍）。2. “倍数+as+形容词或副词的原级+as+从句”表示“A 正好是 B 的多少倍”。Asia is four times as large as Europe.亚洲的面积是欧洲的两倍。The plane flew ten times as high as the kite.那架飞机的飞行高度是那个风筝的十倍（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长。This hill is four times the height of that small one.这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规句型外，我们更要注意的是其常规句型的变形及其特别规律。一、 常规句型的变形精品文档---下载后可任意编辑1. …times+more+名词（可数，不可数）+than… There are five times more books in our library than in yours.我们图书馆里的书比你们图书馆里的书多五倍。We have produced twice more grain this year than we did last year.我们今年生产的粮食是去年的两倍。2. …times as many/much+名词+as…There is four times as much water in this pot as in that one.There are six times as many students as we expected.3. …times over+被比对象，表示“增加……倍”The grain output in that village is twice over that of 2024.4. …times+that of+被比对象，表示“是……倍”In this workshop，the output of July was times that of January.5. …times+compared with+被比对象The number of the students in our school has increased 4 times compared with 1980.我们学校的学生人数比 1980 年增加了三倍。6. …times+what+从句The production is now three times what it was ten years ago精品文档---下载后可任意编辑1. “A+倍数+形容词或副...