59　it和one

1　it 特指某一事物。

There is an apple tree at the back of the house. It was planted by my father. 屋后有一棵苹果树，是我父亲种下的。

I enjoyed the party last night; it was very good. 昨晚的聚会很好，我玩得很高兴。

2　one 表示泛指，指同类中的任一个；the one 表示特指的一个。

Have you any books on gardening? I want to borrow one . 你有关于园艺的书吗？我想借一本。

The train was crowded so we decided to catch a later one . 这趟火车太挤了，我们决定乘下一趟。

There is a dictionary on the bookshelf—is that the one you want? 书架上有一本词典——是不是你想要的那一本？