同位语从句

　　1、概述

　　用作同位语的从句叫同位语从句.它一般跟在抽象名词fact,idea,news,hope,belief,thought,truth,doubt,suggestion,warning,instruction,reason,information,question等之后,对这些名词进行说明或解释.引导同位语从句的词除连词that,whether外,还有关系代词what,which,who,以及关系副词how,when,where,why等.Itisafactthatsmokingisadangertohealth.吸烟危害健康,这是事实.Ihavenoideawhatyoumean.我一点儿也不明白你的意思.Hemadethesuggestionthatwegobytrain.他建议我们坐火车去.Thereisnodoubtthatheisguilty.毫无疑问,他是有罪的.

　　2、由从属连词that,whether引导的同位语从句.Informationhasbeenputforwardthatmoremiddleschoolgraduateswillbeadmittedintouniversities.有消息透露,大学将招收更多的中学毕业生.Thefactthatwelackenoughphonesneedstobeconsidered.我们缺少足够的电话这一事实需要加以考虑.Theideathatcomputerscanrecognizehumanvoicessurprisesmanypeople.计算机能够识别人的声音的想法使许多人感到惊奇.Ididn'treceivethenewsthatthemeetinghadbeenputoff.我没有听到会议被推迟的消息.

　　3、由关系代词引导的同位语从句.Thequestionwhoshouldbethefirsthasnotbeensettled.谁应该是第一名的问题还没有定下来.Youcanhavenoideawhathesaid.你根本想不到他说了些什么.

　　4、由关系副词引导的同位语从句.Ihavenoideawhenhewillbeback.我不知道他什么时候回来.Theyusuallywriteexactinstructionshowthemusicistobeplayed.他们通常为如何演奏乐曲写出精确的说明.