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1、定语从句专项练习定语从句专项练习概念概念:1.在句子中修饰名词或代词在句子中修饰名词或代词,定语从句在句中充定语从句在句中充当定语当定语.2.定语从句必须有先行词定语从句必须有先行词,并尽量靠近先行词并尽量靠近先行词.3.在定语从句中在定语从句中,关系词在从句中充当成分关系词在从句中充当成分.关系代词与关系副词关系代词与关系副词关系代词关系代词:指人指人:指物指物:指人或物指人或物:关系副词关系副词:who(主格主格),whom(宾格宾格),whose(所有格所有格)which(主格主格,宾格宾格),whose(所有格所有格)thatwhen,where,why提示提示:as,which 均可
2、以引出非限制性定语从句均可以引出非限制性定语从句,如都如都 指前一句话指前一句话,二者可以互换。二者可以互换。as 引导的从句可以放引导的从句可以放在句首在句首,as 本身有本身有“正如正如.正象正象”之意，与之连用之意，与之连用的词有的词有 know,see,expect,announce,point out 等。等。此外此外,在在the sameas；suchas.中中 as 引导的是引导的是限制性定语从句限制性定语从句.例：例：The earth is round,_we all know.A.that B.which C.who D.as He went abroad,as/which
3、 was expected.He went abroad,which was unexpected.1._ was natural,he married Jenny.A.Which B.That C.This D.As2.Such signs _ we use in the experiment _ Greek letters.A.as,are B.as,is C.that,are D.that,is3.I passed him a large glass of whisky,_ he drank immediately.A.that B.as C.which D.who4.She is very good at dance,_ everybody knows.A.that B.which C.who D.as5.It was raining,_ was a pity.A.what B.that C.the which D.which6._ has been said above,grammar is a set of dead rules.A.Which B.What C.That D.As7.We do the same work _ they do.A.which B.as C.than D.like结束语结束语谢谢大家聆听！谢谢大家聆听！12