He is a man from whom we are all ready to learn.

　　他是我们大家都愿意学习的人。

　　3.which指物，在定语从句中作主语或宾语，作宾语时可省略。

　　The gold medal (which) she won has been given to her old school.

　　她获得的那块金牌已经被送给她的母校了。

　　4.that指人时，相当于who或whom；指物时，相当于which。在定语从句中作主语或宾语，作宾语时可省略。

　　The woman (that) I read about in the newspaper has just won a gold medal.

　　我在报纸上读过那位女士的相关报道，她刚刚赢得一枚金牌。

　　The report (that) Mr Turner handed in was about the motor race.

　　特纳先生递交的报告是关于汽车比赛的。

　　注意：

　　(1)宜用that不宜用which的情况

　　①当先行词是all，little，much，something，anything，everything，nothing，some等不定代词时。

　　All that can be done has been done.

　　一切能做的都已经做完了。

　　②当先行词被all，every，some，any，little，much，the only，the very，the right，the last，just等修饰时。

　　Music is the only thing that interests me.

　　音乐是唯一令我感兴趣的东西。

　　③当先行词是序数词、形容词最高级或被序数词、形容词最高级修饰时。

　　This is the most interesting story that I have ever read.

　　这是我曾经读过的最有趣的故事。

　　④当先行词中既有人又有物时。

　　She described in her composition the people and places that impressed her most.

　　她在作文中描述了令她印象最深刻的一些人和地方。

　　⑤当主语是以which开头的特殊疑问句时。

　　Which are the books that you bought for me?

　　哪些是你买给我的书？

　　(2)宜用which不宜用that的情况

　　①关系代词前有介词时。

　　The house in which I used to live has become a shoe shop.

　　我过去住的房子现在已经变成了一家鞋店。