英语倍数表达法(含练习及答案)
初三英语倍数表达法练习题50题(带答案)
初三英语倍数表达法练习题50题(带答案)1.This book is twice as thick as that one.A.as thick asB.thicker thanC.twice thicker thanD.three times as thick as答案解析：A 选项“as thick as”表示和……一样厚，没有体现出倍数关系；B 选项“thicker than”是比较级，不是倍数表达法；C 选项“twice thicker than”错误，正确表达应该是“twice as thick as”；D 选项“three times as thick as”与题干不符。
题干中“This book is twice as thick as that one.”正确表达了这本书是那本书的两倍厚。
2.The price of this pen is three times that of that pen.A.two times that ofB.four times that ofC.as expensive asD.three times more expensive than答案解析：A 选项“two times that of”与题干不符；B 选项“four times that of”与题干不符；C 选项“as expensive as”表示和……一样贵，不是倍数表达法；D 选项“three times more expensive than”错误，正确表达应该是“three times as expensive as”或“three times the price of”。
题干中“The price of this pen is three times that of that pen.”正确表达了这支笔的价格是那支笔的三倍。
3.This box is four times as big as that one.A.as big asB.bigger thanC.five times as big asD.four times bigger than答案解析：A 选项“as big as”表示和……一样大，没有体现出倍数关系；B 选项“bigger than”是比较级，不是倍数表达法；C 选项“five times as big as”与题干不符；D 选项“four times bigger than”错误，正确表达应该是“four times as big as”。
七年级英语倍数表达练习题30题(答案解析)
七年级英语倍数表达练习题30题(答案解析)1.This book is twice as thick as that one.twice as thick as that one 表示“是那本书的两倍厚”。
答案解析：这句话用“twice as thick as”表达了这本书的厚度是那本书的两倍。
没有其他干扰选项。
2.My pencil is three times as long as yours.three times as long as yours 表示“是你的铅笔的三倍长”。
答案解析：“three times as long as”正确表达了我的铅笔长度是你的铅笔的三倍。
没有其他干扰选项。
3.The box is four times as heavy as this bag.four times as heavy as this bag 表示“是这个包的四倍重”。
答案解析：“four times as heavy as”表明盒子重量是包的四倍。
没有其他干扰选项。
4.His room is five times as big as mine.five times as big as mine 表示“是我的房间的五倍大”。
答案解析：“five times as big as”准确表达了他的房间大小是我的房间的五倍。
没有其他干扰选项。
5.The tree is six times as tall as the flower.six times as tall as the flower 表示“是这朵花的六倍高”。
答案解析：“six times as tall as”说明树的高度是花的六倍。
没有其他干扰选项。
6.Her bag is seven times as colorful as his.seven times as colorful as his 表示“是他的包的七倍鲜艳”。
答案解析：“seven times as colorful as”表达了她的包的鲜艳程度是他的包的七倍。
初三英语倍数表达法练习题40题(答案解析)
初三英语倍数表达法练习题40题(答案解析)1. This tree is ______ that one.A. three times as tall asB. three times taller asC. as three times tall asD. as three times taller as答案解析：A。
在倍数表达法中，“A + be + 倍数+ as + 形容词原级+ as + B”是基本结构。
选项A符合这个结构，表示这棵树是那棵树的三倍高。
选项B中“taller as”用法错误，应该是“taller than”或者“as...as”结构。
选项C倍数的位置错误，应该放在as前面。
选项D同样存在倍数位置错误和结构混淆的问题。
2. The box is ______ the bag.A. twice as heavy asB. twice heavy thanC. as twice heavy asD. heavy twice as答案解析：A。
根据倍数表达法规则，“A + be + 倍数+ as + 形容词原级+ as + B”。
选项A正确，表达盒子是袋子的两倍重。
选项B中“heavy than”用法错误，比较级正确形式是“heavier than”，而且这里要用倍数表达法的标准结构。
选项C倍数位置错误。
选项D结构完全错误。
3. My room is ______ yours.A. four times as large asB. four times larger asC. as four times large asD. as four times larger as答案解析：A。
“A + be + 倍数+ as + 形容词原级+ as + B”是正确的倍数表达结构。
选项A符合，表示我的房间是你的房间的四倍大。
选项B中“larger as”用法错误。
选项C倍数位置不对。
选项D结构错误，既倍数位置不对又不符合正确结构。
七年级英语倍数表达练习题50题(答案解析)
七年级英语倍数表达练习题50题(答案解析)1.This book is twice as thick as that one.A.This book is two times as thick as that one.B.This book is three times as thick as that one.C.This book is once as thick as that one.答案解析：答案为A。
选项 A 的“two times”也可以表示“两倍”，和“twice”意思相同，是正确的表达方式。
选项B 表示这本书是那本书的三倍厚，与题目不符。
选项C 表示这本书和那本书一样厚，不是两倍厚。
2.The blue box is three times as large as the red box.A.The blue box is two times as large as the red box.B.The blue box is four times as large as the red box.C.The blue box is five times as large as the red box.答案解析：答案为A。
选项 A 蓝色盒子是红色盒子的两倍大，比题目中三倍大要小，比较符合常理。
选项B 表示蓝色盒子是红色盒子的四倍大，与题目不符。
选项C 表示蓝色盒子是红色盒子的五倍大，也与题目不符。
3.This ruler is four times as long as that one.A.This ruler is three times as long as that one.B.This ruler is five times as long as that one.C.This ruler is six times as long as that one.答案解析：答案为A。
初三英语倍数表达法练习题40题含答案解析
初三英语倍数表达法练习题40题含答案解析1.This box is twice as big as that one.A box is two times as large as that one.This box is three times as large as that one.That box is twice as big as this one.答案解析：第一句正确。
“twice as big as”表示“是……的两倍大”。
第二句表达错误，“two times”一般不这样表达倍数，通常用“twice”。
第三句错误，与题目不符。
第四句主宾颠倒。
2.The price of this book is three times as much as that one.This book is three times more expensive than that one.That book is three times as expensive as this one.The price of that book is three times as high as this one.答案解析：第一句正确。
“three times as much as”表示“是……的三倍”，用于价格比较。
第二句表达错误，应该是“This book is twice as expensive as that one.”第三句错误，主宾颠倒。
第四句正确。
3.There are four times as many apples in this basket as in that one.This basket has four times more apples than that one.That basket has four times as many apples as this one.There are four times fewer apples in that basket than in this one.答案解析：第一句正确。
七年级英语倍数表达练习题50题含答案解析
七年级英语倍数表达练习题50题含答案解析1.This box is three times as big as that one.That box is twice smaller than this one.This box is four times larger than that one.That box is five times smaller than this one.答案解析：第一句正确，表达“这个盒子是那个盒子的三倍大”。
第二句错误，英语中没有“twice smaller than”这种表达。
第三句正确，表达“这个盒子比那个盒子大四倍”。
第四句错误，“five times smaller than”表达错误。
2.My sister is twice as old as me.I am three times younger than my sister.My sister is four times older than me.I am five times as young as my sister.答案解析：第一句正确，表达“我姐姐的年龄是我的两倍”。
第二句错误，英语中没有“three times younger than”这种表达。
第三句正确，表达“我姐姐的年龄比我大四倍”。
第四句错误，“five times as young as”表达错误。
3.There are four times as many apples in this basket as in that one.There are three times fewer apples in that basket than in this one.There are five times more apples in this basket than in that one.There are six times as few apples in that basket as in this one.答案解析：第一句正确，表达“这个篮子里的苹果数量是那个篮子的四倍”。
(完整版)倍数的表达方法(附练习及答案)
“倍数”的常用表达方式一、用times 表示倍数（一般限于包括基数在内三倍或三倍以上的数。
表示两倍的数，一般用twice ）。
其句式有：1. “… times ＋形容词/ 副词的比较级＋than …”例如：Line AB is three times longer than line CD. 线段AB 是（线段）CD 的三倍长。
This hall is five times bigger than our classroom. 这个大厅比我们的教室大5 倍。
2. “… times +as + 形容词/ 副词的原级＋as …”例如：This table is three times as long as that one. 这张桌子是那张桌子的三倍长。
This dictionary is five times as thick as the one you borrowed from the library.这本词典的厚度是你从图书馆借的那本（厚度）的 5 倍。
3. “… times + the + 名词（如：size，height，weight，length，width 等）＋of …”例如：The earth is 49 times the size of the moon. 地球的体积是月球的49 倍。
This river is three times the depth of that one. 这条河是那条河的三倍深。
4. “… times + more ＋名词＋than …”例如：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5. “… times +as many （或much ）＋名词＋as …”例如：We've produced twice as much cotton 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。
英语倍数练习题及答案
英语倍数练习题及答案(1) 倍数as...as (意思是“A是B的几倍”。
)I am twice as old as he. 我的年纪是他的两倍。
He earns twice as much as he used to. 他比往常多赚二倍的钱。
An ordinary subway train, approaching the station, can be twice as loud as the loudest jet. 发出的声音可能是喷射机的两倍。
She studies three times as hard as I. 她用功的程度是我的三倍。
This line is four times as long as that one. 这条线是那条线的四倍长。
We've produced twice as much cotton this year as ten years ago. 今年的棉花比十年前多了一倍。
He has got three times as many books as his sister. 他拥有的书的数量是他妹妹的三倍。
在比较级前，还可以用over，more thant 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 as 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。
(2) 倍数+比较级(意思是：A是B的几倍)Line A is four times the length of line B. 线条A 是线条B 的四倍长。
七年级英语倍数表达练习题50题含答案解析
七年级英语倍数表达练习题50题含答案解析1.This book is twice as thick as that one.A.This book is two times as thick as that one.B.This book is three times as thick as that one.C.This book is four times as thick as that one.答案解析：A 选项two times 也可以表示“两倍”，和twice 意思相同；B 选项是“三倍”，不符合题意；C 选项是“四倍”，不符合题意。
题干中明确表示这本书是那本书的两倍厚。
2.My room is three times as large as yours.A.My room is two times as large as yours.B.My room is four times as large as yours.C.My room is five times as large as yours.答案解析：A 选项是“两倍”，不符合题意；B 选项是“四倍”，不符合题意；C 选项是“五倍”，不符合题意。
题干中表明我的房间是你的房间的三倍大。
3.The tree is four times as tall as the flower.A.The tree is three times as tall as the flower.B.The tree is five times as tall as the flower.C.The tree is six times as tall as the flower.答案解析：A 选项是“三倍”，不符合题意；B 选项是“五倍”，不符合题意；C 选项是“六倍”，不符合题意。
题干中说树是花的四倍高。
4.This box is twice as heavy as that one.A.This box is three times as heavy as that one.B.This box is four times as heavy as that one.C.This box is five times as heavy as that one.答案解析：A 选项是“三倍”，不符合题意；B 选项是“四倍”，不符合题意；C 选项是“五倍”，不符合题意。
七年级英语倍数表达练习题30题含答案解析
七年级英语倍数表达练习题30题含答案解析1. This box is three times ______ that one.A. as big asB. bigger thanC. the biggest ofD. big as答案解析：A。
倍数表达的基本句型之一是“倍数+as+形容词原级+as”，表示“是……的几倍”，这里说这个盒子是那个盒子的三倍大，符合这个句型，所以A正确。
B选项“bigger than”是比较级的用法，不是倍数表达的正确形式。
C选项“the biggest of”是最高级的用法，不符合倍数表达。
D选项“big as”缺少倍数的表达，形式错误。
2. There are ______ students in our class as in theirs.A. twice as manyB. as twice manyC. twice many asD. many as twice答案解析：A。
倍数表达“倍数+as+形容词原级+many（可数名词复数）/much（ 不可数名词）+as”，这里表示我们班的学生数量是他们班的两倍，正确的顺序是“twice as many”，所以A正确。
B、C、D选项顺序都是错误的。
3. The new building is four times ______ the old one.A. the height ofB. height asC. as height asD. height than答案解析：A。
倍数表达的另一种形式是“倍数+the+名词（ 如size、length、height等）+of”，这里表示新建筑是旧建筑高度的四倍，A选项符合这个形式。
B选项“height as”缺少倍数和正确的结构。
C选项“as height as”用法错误。
D选项“height than”也是错误的形式。
4. My sister has ______ toys as I do.A. half as manyB. as half manyC. many as halfD. half many as答案解析：A。
七年级英语倍数表达练习题30题(带答案)
七年级英语倍数表达练习题30题(带答案)1. In the supermarket, the price of a big watermelon is three times ______ that of a small one.A. as much asB. much asC. as many asD. many as答案：A。
解析：倍数表达法中，“倍数+as +形容词原级+as”是常见结构，这里说西瓜的价格，price是不可数名词，用much来修饰，B选项缺少as，C和D选项中many用于修饰可数名词复数，所以A 正确。
2. Tom runs ______ twice as fast as Jack in the sports meeting.A. soB. /C. suchD. very答案：B。
解析：在倍数表达“倍数+as +形容词原级+as”结构中，中间不需要加其他词，A选项so通常用于“so...that...”结构，C选项such不能用于这种倍数表达结构，D选项very也不符合，所以选B。
3. There are ______ four times as many students in our school as in that small school.A. nearlyB. nearC. next toD. close答案：A。
解析：这里考查倍数表达的修饰词，nearly可以用来修饰倍数，表示“将近”，B选项near是形容词或介词，不能修饰倍数，C选项next to表示“靠近”，不能修饰倍数，D选项close是形容词，也不能修饰倍数，所以A正确。
4. When traveling, the distance we have traveled today is ______ three times as long as yesterday.A. aboutB. aroundC. both A and BD. only答案：C。
初三英语倍数表达法单选题40题(答案解析)
初三英语倍数表达法单选题40题(答案解析)1.This box is three times as big as that one.A.two times as big asB.four times as big asC.the same size asD.twice bigger than答案：A 选项“two times as big as”表示两倍大，与题目中三倍大不符；B 选项“four times as big as”表示四倍大，也不符合；C 选项“the same size as”表示一样大，不符合题意；D 选项“twice bigger than”表示比……大两倍，也就是三倍大，与题目意思相符。
本题考查倍数表达法“倍数+as+形容词原级+as”和“倍数+比较级+than”。
2.The new building is twice as tall as the old one.A.three times as tall asB.as tall asC.half as tall asD.twice taller than答案：A 选项“three times as tall as”表示三倍高，不符合；B 选项“as tall as”表示一样高，不符合；C 选项“half as tall as”表示一半高，不符合；D 选项“twice taller than”表示比……高二倍，也就是三倍高，与题目意思不符。
本题考查倍数表达法“倍数+as+形容词原级+as”和“倍数+比较级+than”。
3.My pencil is four times as long as yours.A.three times as long asB.five times as long asC.twice as long asD.the same length as答案：A 选项“three times as long as”表示三倍长，不符合；B 选项“five times as long as”表示五倍长，不符合；C 选项“twice as long as”表示两倍长，不符合；D 选项“the same length as”表示一样长，不符合。
英语倍数表达法(含练习及答案)
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。
We've 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 Tom’s books. 我有五倍于汤姆的书。
I’ve 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 bigger 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。
七年级英语倍数表达练习题30题答案解析版
七年级英语倍数表达练习题30题答案解析版1. This book is twice as expensive as that one. Which book is cheaper?A. This bookB. That bookC. They are the same price答案：B解析：本题考查“A + be + 倍数+ as + 形容词原级+ as + B”结构，表示A是B的几倍。
句子中说这本书的价格是那本书的两倍，所以那本书更便宜。
A选项错误，因为根据题意这本书更贵；C选项错误，因为两本书价格不一样。
2. The red box is three times bigger than the blue box. Which box is larger?A. The red boxB. The blue boxC. They are of the same size答案：A解析：本题考查“A + be + 倍数+ 形容词比较级+ than + B”结构，表示A比B大几倍。
句子说红盒子比蓝盒子大三倍，所以红盒子更大。
B选项蓝盒子更小；C选项错误，两盒子大小不一样。
3. My sister can run twice as fast as me. Who runs slower?A. My sisterB. IC. We run at the same speed答案：B解析：根据“A + be + 倍数+ as + 形容词原级+ as + B”结构，姐姐跑步速度是我的两倍，所以我跑得更慢。
A选项姐姐跑得更快；C 选项我们速度不一样。
4. This basketball is four times heavier than that one. Which basketball is lighter?A. This basketballB. That basketballC. They weigh the same答案：B解析：由“A + be + 倍数+ 形容词比较级+ than + B”可知，这个篮球比那个篮球重四倍，所以那个篮球更轻。
七年级英语倍数表达练习题50题(答案解析)
七年级英语倍数表达练习题50题(答案解析)1. Tom is 12 years old. Jack is 36 years old. Jack is ______ as old as Tom.A. three timesB. two timesC. four timesD. five times答案解析：A。
在倍数表达中，“A + be + 倍数+ as + 形容词原级+ as + B”，这里说Tom 12岁，Jack 36岁，36÷12 = 3，所以Jack的年龄是Tom的三倍，故答案为A。
B选项两倍不符合计算结果；C选项四倍错误；D选项五倍也不符合。
2. There are 5 apples in the box. There are 15 apples on the table. The number of apples on the table is ______ that in the box.A. three times as many asB. two times as many asC. four times as many asD. five times as many as答案解析：A。
根据倍数表达的结构，桌子上有15个苹果，盒子里有5个苹果，15÷5 = 3，即桌子上苹果的数量是盒子里的三倍，要用“倍数+ as + many（ 修饰可数名词复数）+ as”结构，所以选A。
B选项两倍错误；C选项四倍不符合；D选项五倍错误。
3. My sister is 1.5 meters tall. I am 1 meter tall. My sister is ______as tall as me.A. one point five timesB. two timesC. half timesD. one time答案解析：A。
按照倍数表达公式，姐姐1.5米高，我1米高，1.5÷1 = 1.5，姐姐的身高是我的1.5倍，所以是one point five times，A正确。
七年级英语倍数用法练习题50题含答案解析
七年级英语倍数用法练习题50题含答案解析1. My book has 30 pages. His book has 60 pages. So his book has ______ pages as mine.A. twice as manyB. twice as muchC. two times as manyD. two times as much答案：A。
解析：本题考查倍数表达法以及many和much的区别。
“A + be + 倍数+ as + 形容词原级+ as + B”是倍数表达的常见结构。
句中比较的是书的页数，page是可数名词，要用many修饰，所以排除B和D。
表示两倍常用twice，而不用two times，所以C错误，A正确。
2. The box is 5 kilograms. The other box is 15 kilograms. The other box is ______ heavy as this one.A. three times asB. three times soC. three time asD. three time so答案：A。
解析：根据倍数表达结构，“A + be + 倍数+ as + 形容词原级+ as + B”。
这里比较的是箱子的重量，倍数是3倍，用three times，同时要用as，不能用so，C和D中time没有用复数形式，所以正确答案是A。
3. There are 10 apples in my basket. There are 30 apples in her basket. Her basket has ______ apples as mine.A. three times as manyB. three times as muchC. three time as manyD. three time as much答案：A。
七年级英语倍数表达练习题50题答案解析版
七年级英语倍数表达练习题50题答案解析版1. The tree in front of my house is ______ the one in the yard.A. two times as tall asB. two times taller asC. two times more taller thanD. two times much tall than答案：A。
解析：倍数表达法常见的结构有“A + be + 倍数+ as + 形容词原级+ as + B”，表示A是B的几倍。
选项A符合这个结构。
选项B中“taller as”用法错误，应该是“as...as”结构。
选项C中“more taller”用法错误，taller本身就是比较级，不需要加more。
选项D中“much tall than”用法错误，首先much不能修饰原级tall，其次比较级结构应该是“倍数+比较级+than”，这里用法完全错误。
2. This book is ______ that one.A. three times as thick asB. three times thicker likeC. three times more thick thanD. three times much thicker as答案：A。
解析：根据倍数表达的规则，“A + be + 倍数+ as + 形容词原级+ as + B”是正确的用法。
选项A正确。
选项B中“thicker like”用法错误，应该是“as”。
选项C中“more thick”用法错误，thick的比较级是thicker，不需要加more。
选项D中“much thicker as”用法错误，应该是“as...as”结构，且much不能这样修饰比较级用于这种结构中。
3. My sister can run ______ me.A. four times as fast asB. four times faster toC. four times more fast thanD. four times much fast as答案：A。
七年级英语倍数用法练习题50题带答案解析
七年级英语倍数用法练习题50题带答案解析1.This book is twice as thick as that one.That book is half as thick as this one.This book is three times thicker than that one.That book is one third as thick as this one.答案解析：第一个选项正确，表达这本书是那本书厚度的两倍。
第二个选项错误，意思是那本书是这本书厚度的一半，不是两倍关系。
第三个选项正确，这本书比那本书厚三倍。
第四个选项错误，那本书是这本书厚度的三分之一，不是两倍关系。
2.My pencil is three times as long as yours.Your pencil is one third as long as mine.My pencil is four times longer than yours.Your pencil is half as long as mine.答案解析：第一个选项正确，我的铅笔是你的铅笔长度的三倍。
第二个选项正确，你的铅笔是我的铅笔长度的三分之一。
第三个选项错误，我的铅笔比你的铅笔长四倍说法错误。
第四个选项错误，你的铅笔是我的铅笔长度的一半，不是三倍关系。
3.This apple is twice as big as that one.That apple is half as big as this one.This apple is three times bigger than that one.That apple is one third as big as this one.答案解析：第一个选项正确，这个苹果是那个苹果大小的两倍。
第二个选项正确，那个苹果是这个苹果大小的一半。
第三个选项错误，这个苹果比那个苹果大三倍说法不准确。
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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。
We've 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 Tom’s books.我有五倍于汤姆的书。
I’ve 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 bigger 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 as 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：Heearnsfivetimesmoremoneythanhedidtenyearsago.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-third 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 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 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 than twiceB. as twice as manyC. twice as many asD. more than twice as many2. Paper produced every year is _______ the world's 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 experts，the factory produced ______ cars in 1993 as the yearbefore.A. as twice manyB. as many twiceC. twice as manyD. twice many as4. This ship measures ________ that one.A. as twice as longB. as twice long asC. twice long asD. twice as long as5. After the new technique was introduced, the factory produced _______ tractors in 1988 as theyear before.A. as twice manyB. as many asC. as twice as manyD. twice as manyD B C D DA）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 office.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; 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）myhometown.4. This house is twice as large as that one.5. The output of early rice is 25％the height of last year's.。