以下是短文写作中使用率最高、覆盖面最广的基本句式，每组句式的功能相同或相似，考生可根据自己的情况选择其中的1-2个，做到能够熟练正确地仿写或套用。

　　9.表示数量

　　1)It has increased(decreased)from...to...

　　2)The population in this city has now increased (decreased)to 800，000.

　　3)The output of July in this factory increased by 15% compared with that of January.

　　例如：

　　With the improvement of the living standard，the proportion of people’s income spent on food has decreased while that spent on education has increased.

　　再如：

　　From the graph listed above，itcan be seen that student use of computers has increased from an average of less than two hours per week in 1990 to 20 hours in 2000.

　　注：“From the graph listed above，it can be seen that”见句式12。考生将句式9和句式12结合在一起，便可较好地写出2002年6月CET -4、6短文写作的第一段。