高考版块英语基础语法讲解第56期(2010年10月11日)


  亲爱的孩子们,昨天我们说过了同位语从句的用法,今天来看看同位语从句的引导词吧,引导同位语从句的词语通常有连词that,whether,连接代词和连接副词等。

  1. 连词that引导同位语从句

   (注:引导同位语从句的that不能省略) The idea that you can do this work well without thinking is quite wrong.你认为不动脑筋就能做好这件工作的想法是完全错误的。(作idea的同位语)

  【注意1】在某些名词(如demand, wish, suggestion, resolution等)后面的同位语从句要用虚拟语气

  There was a suggestion that Brown should be dropped from the team. 有一项建议是布朗应该离队。

  【注意2】引导同位语从句的连词that通常不省略,但在非正式文体中也可以省去。

  He gabbed his suitcase and gave the impression he was boarding the Tokyo plane. 他拿起了手提箱,给人的印象是他要登上飞往东京的飞机了。

  2. 连词whether引导同位语从句(注:if不能引导同位语从句)

  The question whether we should call in a specialist was answered by the family doctor. 我们是否请专家由家庭医生来定。 【注意】whether 可引导同位语从句,但if不能引导同位语从句。

  3.其它引导词引导的同位语从句

   连接代词what, who, whom, whose, which引导同位语从句

  1).I have no idea what size shoes she wears.我不知道她穿几号的鞋。(what作定语)  同位语从句

  2).I have no idea which wine is best—it’s a matter of personal taste.我不知道哪种酒最好,这是个人口味的问题。(which作定语3).The question who will take his place is still not clear. (who作主语)

  4. 连接副词引导同位语从句

  连接副词when, where, how, why

  We haven’t yet settled the question where we are going to spend our summer vacation.到哪儿去度暑假,这个问题我们还没有决定。

  1. Some researchers believe that there is no doubt ________ a cure for AIDS will be found.

  A. which    B. that    C. what    D. whether

  本帖隐藏的内容

  答案:B 一些研究人员相信未来艾滋病的主语方法被发现是没有疑问的,空白处之后的句子是对doubt的内容的说明,为同位语从句,而且不表示疑问,所以应该由that来引导。

  2. There is much chance _______ Bill will recover from his injury in time for the race.

  A. that            B. which           C. until              D. if

  本帖隐藏的内容

  答案:A 比尔会有机会从比赛的伤势中恢复的。空白处之后是对chance的具体说明,为同位语从句,所以应该由that来引导,答案为A