第三章、零冠词1. 零冠词用于抽象名词前 Misfortunes never come singly. 祸不单行。Wisdom is better than strength. 智慧胜于力量。Sports is good for health. 运动有益于健康。 2. 零冠词用于物质名词前 The windows are all covered with boards. 窗户全用木板堵上了。