5)先行词被jst,very,only等强调词语的修饰 (1)It's the very house that i want to buy. (2)Only the vegetable that hasnt been polluted is safe to eat 2.只能用 which,who不能用that的两情况: 1)非限制性定语从句 Chang jiang, which is the third longest river, lies in china Do you know Chairman Mao, who used to be the chairman of the party? 2)整句话当先行词 It rained a lot, which made a flood happened He tore my photo, which made me angry. 3.只能用as,不能用 which,that,who的两种情况: 1)先行词被such, the same修饰 I ve never heard of such a terrible earthquake you told me. 对比:It' s such a terrible earthquake many eople were killed 定语从句的动词和先行词有动宾关系,结果状语从句 反之。 2)整句话当先行词,且从句有“正如...所知道/5)先行词被 just ,very,only 等强调词语的修饰。 （1）It's the very house that I want to buy. (2)Only the vegetable that hasn't been polluted is safe to eat. 2.只能用 which ,who 不能用 that 的两情况： 1）非限制性定语从句 Changjiang,which is the third longest river,lies in China. Do you know Chairman Mao,who used to be the chairman of the Party? 2)整句话当先行词： It rained a lot,which made a flood happened. He tore my photo,which made me angry. 3.只能用 as，不能用 which,that,who 的两种情况： 1）先行词被 such,the same 修饰 I've never heard of such a terrible earthquake _____ you told me. 对比：It's such a terrible earthquake ______many people were killed. 定语从句的动词和先行词有动宾关系，结果状语从句 反之。 2）整句话当先行词，且从句有“正如.......所知道/