Simone
which one 与首返 which的区别：
如果后面是对单数的可数名词的选择，则which和which one都可以。
例如：（） is better?The girl or the boy? 两者均可。
如果后面的选择范围不是单数的可数名词，而是族芹誉复数的可数名词或不可数名词，则不能用which one，只能用which。
which one 是 which的扩展词组, 属于which的用法之一。
which one用于同类性质事物之间提问。
5. which one 意思是哪一个 ，一定是单数。
例句:
(1) Which one of you is Mr. Wang?
你们中间哪一位是王先生？
(2) You have only to tell me which one you want to choose.
你只需告诉我你要选哪个。
6.which 意思是哪个;哪一个;哪一些, 可以是单数,也可以是复数。
例句
(1) which 加单数
Which is more important, health or wealth?
健康和财富，哪个更重兆段要？
(2) which 加复数
Which are the ones you really like?
【知识点】：which one只能代替可数名词单数，which单数复数都可以代替。
1、which one
【读音】：英[hwitʃ wʌn] 美[hwɪtʃ wʌn]
【释义】 ：哪一个;
【例句】：Show me which one you like and I'll buy it for you.
【翻译】：指给我看你喜欢哪个，我给你买。
2、which
【读音】：英[wɪtʃ] 美[hwɪtʃ,wɪtʃ]
【释义】：1.pron. 哪个; 哪一个; 哪一些; 那，指前面提到的事物;
2.adj. 哪一个; 哪一些;
【例句】：Which do they want me to do? declare war or surrender?
【翻译】：他们想让我做什么，宣战还是投降？
