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定语从句分为限制性和非限制性两种。我们可以从如下几点识别与应用。一、 作用不同限制性定语从句对先行词起修饰作用，两者密不可分；而非限制性定语从句仅仅对先行词作补充性叙述或说明，两者关系不那么紧密。He lived in the house which stood only at the foot of the hill.I gave my English teacher a New Years card, which he enjoyed very much.二、 形式不同限制性定语从句与其先行词紧紧相连，两者之间没有停顿；非限制性定语从句与先行词之间有逗号隔开。The place where we are going to stay is far from our city.He stud……