倍数表达null倍数表达倍数表达倍数表达倍数表达在雅思小作文的写作中, 为了避免一味引用数据而造成的重复感 我们通常使用“倍数”的表达 。
基本特点：★ ★ ★ ★ ★ ★
先说“倍数”，再说“是谁的……”，“比谁的……”常见句型常见句型1.“A + be +倍数+as+形容词原级+as+B”.
2.“A + be + 倍数+形容词比较级+than+B ”
3.“A + be + 倍数 + the + 名词 + of + B ”
I am twice as tall as him.
I am twice taller...
null倍数表达倍数表达倍数表达倍数表达在雅思小作文的写作中, 为了避免一味引用数据而造成的重复感 我们通常使用“倍数”的表达 。
基本特点：★ ★ ★ ★ ★ ★
先说“倍数”，再说“是谁的……”，“比谁的……”常见句型常见句型1.“A + be +倍数+as+形容词原级+as+B”.
2.“A + be + 倍数+形容词比较级+than+B ”
3.“A + be + 倍数 + the + 名词 + of + B ”
I am twice as tall as him.
I am twice taller than him.
=three times as tall as him. ★★
I am twice the height of him. null今年的棉花是十年前的两倍。
The cotton this year is twice as much as that ten years ago.
The cotton this year is twice more than that ten years ago. × × × ×
The cotton this year is twice the number of that ten years ago.
高分作文句子
We've produced twice as much cotton this year as ten years ago. null去年工业产值比 1976 年增长了 59 ％。
Compared with 1976, the output value of industry last year increased by 59%.
Last year the output value of industry was 59 percent higher than that of 1976.
注意：注意：（1）比较级前的修饰词：
Considerably, marginally, far, little, more than, over``
I am more than twice as old as he. 我的年龄是他的两倍还不止。
----区分twice more than和more than twice
The apples are twice more than pears.
The apples more than twice as much as pears.null（2）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。
The output of grain increased fourfold. 粮食产量增加了三倍。 null（3）使用by, compared with 等
Compared with last year，our coal output has increased by three times. nullTHE END练习：练习：1. 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 many
2. Paper produced every year is _______ the world's production of vehicles. A. the three weight of B. three times the weight of C. as three times heavy as D. three times as heavier asnull3. With the help of the German experts， the factory produced ______ cars in 1993 as the year before. A. as twice many B. as many twice C. twice as many D. twice many as
4. This ship measures ________ that one. A. as twice as long B. as twice long as C. twice long as D. twice as long as附录一：扩展句型附录一：扩展句型（1）等比结构
As````as
No more/less````than
Be equal / equivalent to
Be identical to/with``
The same ````asnull（2）差比结构
More```than
Not so/as````as
Above/next to
形容词比较级+(or) + to````
Anterior inferior junior prior senior superior附录二：雅思写作TASK1
数据比较的常见句型附录二：雅思写作TASK1
数据比较的常见句型1) In 2000, it increased from````to```
2) By comparison with 1998, it decreased from ````to````/ to / by````
3) The figure has nearly doubled, compared with that of last year.
4) It has increased/decreased almost two and a half times/twice/six time, compared with``null5) The number is twice/ 4 times/ half as much as that of 2000.
6) It accounts for/takes (up) ```` percent of the total.
7) The number was`````, less than/ more than a half/third/quarter of the 2000 total.
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