模板：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.

4)The number of …. grew（increased或rose）steadily from … to…..in 2009.

5)The number of … dropped（decreased或fall）steadily from … to …in 2008.

例句：

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

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.

表示数量的短语：

1.many、a number of、a few、many a、several这些是常用的修饰可数名词的表示数量多的词语，都意为”许多“

2.much、a great deal of、a large amount of这些单词常用于表示不可数名词的数量多，意为”许多“

3.a lot of (lots of )、 plenty of、 a large quantity of这些词语则是两种都可，即不仅能修饰可数名词，也可修饰不可数名词，也是意为“许多”

4.a good/great many后 +名词复数 、a mass of 后+名词复数/不可数名词、a good/great deal of后+不可数、a supply of后+ 名词复数/不可数名词。