英語四級語法備戰(zhàn)-倍數(shù)的表示方法

3)倍數(shù)＋名詞 
 
The sun is many times the size of the moon. 

4)動詞＋倍數(shù) 

The pants have shortened two times since they were bought. 

5)動詞+by+數(shù)詞/百分比/倍數(shù) 
 
The landlord wanted to raise the rent by a third. 

Between 1974 and 1997, the number of overseas visitors expanded 
( )27%. (CET-4 2000,1) 

A) by 
B) for 
C) to 
D) in 

本題考查動詞+百分比的表達方法，正確的連接詞為by，故答案為A.