抽象名词前加定冠词的几种情况
1. 单形抽象名词前加定冠词，无数念或表单念
(1) They avoided him like the plague(无数念) .
(2) This type of drama appeals more strongly to the intellect(无数念) than to the emotions .
(3) The idea(单念) of the game is to hit the ball over the net .
2. 复形抽象名词前加定冠词，表各种数念
(1) He laid the foundation(复念) of his success by hard work .
不定冠词用于抽象名词几种类型
1.用于单形抽象名词
（1）I am quite at a loss .
2.用于由动词转化来的抽象名词
（1）Can you give me a lift .
3.用于已转化为类名词的抽象名词
（1）She is quite a beauty.
4.用于形抽象名词