冠词分为不定冠词和定冠词，在考试中比较常用，也是比较基础的语法。但是越简单越是不能忽视它们，还是要好好看看。 本文，北京新航道托福频道为大家简单介绍的关于冠词的应用问题。请看下文。

　　　　Indefinite article (不定冠词)

　　我们用 "a , an "当我们不知道他是诸多人或事中的哪一个：

　　* is one of many. ( 是许多个中的一个)

　　He is an artist.(=there are many artists)

　　* is not unique. (不是的)

　　I have just bought a book

　　* has not been mentioned before. (之前没有提到过)

　　There was a new student in class today.

　　Definite article (定冠词)

　　我们用 "the "当我们知道他是诸多人或事中的哪一个：来源：北京新航道托福频道

　　* is unique (or unique in that context) (是的)外语学习

　　The Australian Prime Minister. (=there is only one)

　　I looked inside, the engine was in a terrible state. (=there is only one engine, in this case)

　　* has been mentioned before. (之前提到过)

　　The man gave me a ticket. I looked at it, and saw that the ticket was a single.

　　* is defined by the phrase which follows it. (要被接下来的短语详细说明)

　　What is the new student's name?

　　上面就是托福语法中冠词应用的问题，希望考生好好理解，掌握这一语法知识点，为考试做好充分的准备。

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