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Unit 1Grammar 名词性从句 名词性从句的定义： 在复合句中起名词作用的从句叫名词性从句 (Noun Clauses）。名词从句的功能相当于 名词词组, 它在复合句中能担任主语、宾语、 表语、同位语、介词宾语等，因此根据它在 句中不同的语法功能，名词从句又可分为: 主语从句、宾语从句、表语从句和同位语从句。 名词性从句在功能上相当于名词 主语 { The news is important. What he wants is enough money. 表语 { This is a story book. This is what he wants. 宾语 I don’t like his job. I don’t like what he said just now. 同位语 { { I don’t know about the man, Mr. White. I don’t know about the news that our team has win. 指出下列句子划线部分的成分： That the earth is round is a fact. Mrs Black won’t believe that her son has become a thief. My idea is that we should do it right now。 I had no idea that you were her friend. How he was successful is still a puzzle. I have no idea where he comes from. The question is whether it is worth doing. Why he did it wasn’t quite clear. That he will come is certain. Some people feel that Wales is an ancient fairy land. 一.主语从句 在复合句中作主句的主语。引导词有连词that (that 不可省), whether; 代词有who, what ,which; 副词 when ,where, how, why 等。 如: 1.That he is a famous singeris known to us. | 
