和谐英语

VOA慢速英语:India's Aravind Eye Care System Gets Hilton Prize

2010-04-19来源:和谐英语
1.Eight out of ten people with vision problems live in developing countries.

eight out of ten表示分数

1)用“基数词+序数词”表示

The centimeter is one-tenth of the decimeter or one-hundredth of the meter.厘米是分米的十分之一,或者说是米的百分之一。

However,the number of boys will bea third or less than the girls in the class.但是,班里男生的人数将比女生少三分之一或更少。

2)用per cent等表示

表示百分之一可以说one(a)hundredth,但更常用one percent或per cent,即用百分数表示法来表达。例如:

Our bodies are 65percent water.我们人体含65%水分。

3)用part表示

名词part有“……分之一”的意思,分子大于1时,part用复数。表示分数的结构一般有以下三种:
“基数词(或a)+序数词+part(s)” a hundred part百分之一
“基数词+part(s)+in+基数词” five parts in one thousand千分之五
“基数词+part(s)+per+基数词” one part per million百万分之一

4)用“基数词+介词+基数词”表示

借助介词表示分数,介词前的数词是分子,介词后的数词是分母。例如:

Ninety-nine people out of a hundred,if they were asked who first found America,would answer Clumbus.
如果要问是谁首先发现美洲,一百个人中有九十九个(百分之九十九)将回答是哥伦布。
 
这种结构中的介词主要有in,out of,of以及to

2.In nineteen ninety-two, Aravind established what was described as Asia's first training center for the prevention of blindness.

what was described as中的what引导宾语从句,例如:

1)People were perhaps more honest a long time ago when lifewasvery different from what itistoday.(what做从句中is的表语)很久以前当生活与现在的生活完全不同时,人们或许更诚实.2)People haveheardwhat the President has said;they are waiting to see what

hewilldo.(what分别做动词heard和see的宾语)人们已经听到了总统所说的;他们正等着看总统会做什么.

3.Its work has been used as a model for establishing similar programs around the world.

been used as被用来……

use其他用法:

(1) used to 意为“过去经常”,其中的 to 是不定式符号,后接动词原形。如:

He used to live in Paris. 他过去一直住在巴黎。

(2) be used to 意为“习惯于”,其中的to是介词,后接动词要用动名词。如:

He is used to living in the country. 他已习惯于住在乡下。

【注】① 若要强调从不习惯到习惯的过程,可用 get, become 等代替动词 be。如:

He has got used to looking after himself. 他已习惯于自己照顾自己。

② be used to 有时可能是动词 use 的被动语态结构 (此时意为“被用来”,其中的 to 为不定式符号,其后要接动词原形)。如:

A hammer is used to drive in nails. 锤子是用来钉钉子的。