在基数词two,three,etc之后通常不用替代词 one/ones。例如： ●You have for children.I have only two..(不说two ones) c)替代词one如果不带任何前置修饰语，其所替代 的对象便不是名词中心词而是整个名词词组，其意 义通常是类指的。 例如： If you want a typewriter,they will provide you with one. (one a type writer) He is a brilliant hard-working student,one (a student) who will be successful in whatever career he chooses. I need an electric heater to keep warm.Where could I get one (an electric heater)? 6 在基数词two, three, etc 之后通常不用替代词 one/ones。例如： ⚫ You have for children. I have only two. (不说 two ones) c) 替代词one如果不带任何前置修饰语，其所替代 的对象便不是名词中心词而是整个名词词组，其意 义通常是类指的。 例如： ⚫ If you want a typewriter, they will provide you with one. (one = a type writer) ⚫ He is a brilliant hard-working student, one ( = a student) who will be successful in whatever career he chooses. ⚫ I need an electric heater to keep warm. Where could I get one ( = an electric heater)?