精选优质文档-倾情为你奉上定冠词的用法:1. 表示特指,既可特指上文提到过的人或事物,也可特指谈话双方都清楚的人或事物如:Wheres the teacher? There I met a foreigner and the foreigner helped me a lot. The manager you want to see was here just now. 2. 表示世上独一无二的事物这里说的世上独一无二的事物主要指the sun, the moon, the earth, the sky, the universe, the world, the atomosphere(大气层)等东西。如:The sun rises in the east and sets in the west.若这类名词前有形容词修饰,表示具有某种特征,则也可能将定冠词改为不定冠词,如 a full moon(满月),a friendly world(友好的世界)等。3.序数词和形容词最高级前通常要用定冠词,副词最高级前可用定冠词,也可不用。如: