He is a hard-working student, _____ who will be successful in whatever career he chooses.

A. that B. he

C. one D. which

【陷阱】 几个干扰项均有可能误选。

【分析】 此题答案选C,one 相当于 a student。类似地,以下各题也选one,它们分别相当于 a table, a break, a question, a Mexican carpet, a moment:

A table made of steel costs more than _______ made of wood.

A. one B. it

C. those D. which

“Why don’t we take a little break?” “Didn’t we just have _____?”

A. it B. that

C. one D. this

The question is _____ of great importance.

A. that B. it

C. one D. what

She wants a Mexican carpet, but she can’t afford to buy ______.

A. one   B. it

C. them   D. the one

Meeting my uncle after all these years was an unforgettable moment, _____ I will always treasure.

A. that B. one

C. it D. what

有关one的陷阱题分析与举例