推荐回答(5个)
1.词性和意思不同。
a:art. 一个;任一;一。
one:pron. 一个人;任何人;adj. 一的;唯一的;n. 一;num. 一;一个。
2.用法不同。
a是不定冠词,后面的单词以辅音音标开头,用法如下:
泛指一个。
There is a man standing in the river.
有一个人正站在河中。
置于单数可数名词前面表示泛指。
A boy is usually taller than a girl of his age.
同龄的男孩通常比女孩高。
当序数词不表示顺序,而是表示“再一,又一”的时候,使用不定冠词。
She invited him to come to the party a second time.
她再一次邀请他来参加聚会。
表示单位,有“每一”的意思,多表示次数、速度、价格等等。
We have meals three times a day.
我们每天吃三餐饭。
用在一些专有名词前面表示泛指。
A Mr. Wang called you.
一位姓王的先生给你打电话了。
抽象名词具体化。
It is an honour for me to give a speech.
对于我而言,演讲是一种荣誉。
在表示世界上独一无二的事物的名词前面,如果有形容词修饰,用不定冠词。
We need a peaceful world.
我们需要一个平和的世界。
one可以是代词,单独做句子主语、宾语、表语;当形容词或数词时可以在句子里做定语。例如:
The teacher singled out one composition for class discussion. (定语)
教师挑选出一篇作文来供课堂上讨论。
Can you spare one of them for me? (宾语)
你能把其中的一个匀给我吗?
One can imagine how regretful he was. (主语)
任何人可以想像他是多么懊悔。
一、a和one的区别
1a和one不能互换使用。
2.在连续记数时,习惯上用one。
3.在名词前使用one。
4.固定的词组
如:in a hurry,in a word
one by one,one day
二、a与one的用法
1.当成“一(个)”来说,a所表“数量”这一概念,没有on恰当。
例如:I want to live a hundred years.—M.Swan.
我想要活100岁。
(是一种“假”的说法,所以用a,不用one)
The journey took exactly one hundred days.—M.Swan.
这次旅行整整历时100天。
(这是一个事实,所以要用one,不用a,)
比较:
Give me an apple,will you?给我一只苹果,好吗?(是与some或any相对而言)
Give me one apple,will you?给我一只苹果,好吗?(是与two、three…相对而言)
We saw a panda in the Zoo this morning.今天早晨我们在动物园里看见一头熊猫。
(是回答“What did you see in the Zoo this morning?”的提问,所以强调的是panda)
We saw one panda in the Zoo this morning.今天早晨我们在动物园里看见一头熊猫。
(是回答“How many pandasdid you see in the Zoo this morning?”的提问,所以强调的是one)
It has rained for more than a week.雨已下了一星期多了(也许是八、九天).
It has rained for more than one week.雨已下了不止一星期了。(也许是两星期)
2.作“同一”或“同样”讲,a所表达的“一体”这一概念,也不如one来得明快和响亮。
例如:
In the old society,two of a trade could never agree.在旧社会同行是怨家。
a和one的区别主要是: 用a 主要表示其后所跟单数名词的类别(名词前可以有形容词)。 one 作数词时修饰可数名词,表示名词的数量只有一个。 a 侧重类别,one侧重数量。例如:
1、A waiter entered with a tray.
侍者端着托盘进来了。
2、I suggest you leave it to an expert.
我建议你把它留给专家来解决。
3、They had three sons and one daughter.
他们有3个儿子,1个女儿。
a、an、one 都可以表示“一”的概念。
但a、an除表示一的数据概念以外,还可以用来泛指一类人和事物、以及出现在一些词组当中。如:in a moment、have a rest.....等等。
而one强调数量一。
a和one的区别
1. 尽管a和one这两个在意义上有些相似,但他们几乎不能互换使用。
2. 在连续记数时,习惯上用one,one 是数字概念,是明确的数字,表示: 一;一个。
Can you spare one of them for me?
你能把其中的一个匀给我吗?
3. a 是范围概念.是模糊的不确定范围.因此也常被叫做不定冠词,表示:一个;任一;一
A Mr. Wang called you.
一位姓王的先生给你打电话了。
4.用在某些固定的词组中。 如: in a hurry, in a word one by one, one day
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