(对) He is more clever than his brother.

　　(对) He is clever than his brother.

　　2)要避免将主语含在比较对象中。

　　(错) China is larger than any country in Asia.

　　(对) China is larger than any other countries in Asia.

　　3)要注意对应句型，遵循前后一致的原则。

　　The population of Shanghai is larger than that of Beijing.

　　It is easier to make a plan than to carry it out.

　　4)要注意冠词的使用。

　　比较：Which is large, Canada or Australia?

　　Which is the larger country, Canada or Australia?

　　She is taller than her two sisters.

　　She is the taller of the two sisters.

　　典型例题

　　1)The weather in China is different from____.

　　A. in America　 B. one in America

　　C. America D. that in America

　　答案：D.

　　2)After the new technique was introduced，the factory produced ___ tractors in 1988 as the year before.

　　A. as twice many　　B. as many twice

　　C. twice as many　D. twice many as

　　C. 此句意为“这个厂1988能生产的拖拉机是往年的两倍”。 表示倍数用“倍数+ as + 形容词原形+ as +比较对象”的句型。所以此句答案为C。

　　This ruler is three times as long as that one.