2．由of结构来表示两者之间“比较怎么样的那一个”时，在比较级前要加定冠词。

(1)　　 The taller of the two boys is my brother.

(2)　　 The newer of the two books is borrowed from the library.

(四)and连接两个相同的比较级，表示“越来越……”。

1．两个比较级前面加定冠词：“the+比较级，the+比较级”表示“越……越……”

(1)　　 The harder you work, the greater progress you’ll make.

(2)　　 The more, the better.

(3)　　 The higher the ground, the cooler the air.

(4)　　 The more trees we plant, the more beautiful our school will be.

13.　 The Yellow River is the second longest in China.

(三)形容词或副词比较级加冠词的两种情况

12.　 The newly - built meeting room is three times bigger than the old one.

11.　 This horse runs twice faster than that one.

10.　 My sister is a head taller than I.

9.　　 Tom is three years younger than my brother.

8.　　 He is by far the tallest among us.

7.　　 The pacific is by far the largest ocean.

6.　　 This is better by far.