小作文趋势句式的表达
句式一： 变化主体/图画中的主体+趋势动词+副词+时间区间
Eg: The number of aged people over 65 increased significantly from 1940-2000.
The number of aged people over 65 dropped slightly from 1960-1980.
The number of aged people over 65 fluctuated between 1 million and 1.2 million from 1940-1950.
The number of aged people over 65 remained stable from 1930-1940.
句式二： There be + 形容词 + 表示趋势的名词 + in+ 变化的主体 + 时间区间
Eg: There was an significant increase in the number of aged people over 65 from 1940-2000.
There was a slight decline in the number of aged people over 65 from 1960-1980.
There was a fluctuation between 1 million and 1.2 million from 1940-1950.
倍数的表达方式
Double 是两倍/大一倍
Increase/decrease three times 增长/减少了三倍
极类词汇和表达
最高点： reach the peak/top/highest point
Increase to the peak/top/highest point(上升类的动词都可以替换掉increase)
最低点： reach the bottom/lowest point
drop to the bottom/lowest point(下降类的动词都可以替换掉drop)
占的最多： occupy/make up/take up/account for the largest proportion/number/percentage of …
占的最少： occupy/make up/take up/account for the smallest proportion/number/percentage of …
表达大约的方式
About/around + 数字
数字 + or so
Approximately + 数字
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