[语法初识]

原句感知 自主探究 ①Some people have the idea that you can cross Canada in less than five days, but they forget the fact that Canada is 5，500 kilometres from coast to coast.

②The girls were surprised at the fact that ocean ships can sail up the Great Lakes.

③The thought that they could cross the whole continent was exciting. (1)以上各句皆为主从复合句，句中含有同位语从句，用来解释说明所修饰名词的具体内容。

(2) 以上各句皆为连接词是that引导的同位语从句，that在从句中无实际意义，不作成分，但不能省略。 　　[语法剖析]

语法点一 同位语从句的定义 　　1．在主从复合句中，在句中作某一名词尤其是抽象名词的同位语，一般位于该名词之后，说明该名词的具体内容的从句叫同位语从句。

　　2．能跟同位语从句的名词一般是fact, news, idea, truth, hope, problem, information, wish, promise, answer, evidence, report, explanation, suggestion, conclusion等抽象名词。

　　The news that our women volleyball team had won the championship encouraged us all greatly.

　　我国女排赢得冠军的消息大大地鼓舞了我们所有人。

　　He raised a question where we would have our meeting.

　　他提出疑问，我们将在哪里举行会议。

语法点二 同位语从句的连接词及其功能

连词种类 连词 备注