雅思小作文句式1、趋势类词汇
　　上升动词类: increase, go up, rise up, grow up, jump up, surge, shoot up, keep an upward tendency
　　下降动词类: decrease, go down, decline, fall down, drop, sink, dip, keep a downward tendency
　　波动动词类: fluctuate
　　持平动词类: remain the same, stabilize, remain stable, remain constant
　　修饰动词的副词: slightly 轻微地, slowly 缓慢地, gradually 逐渐地, steadily 稳定地, rapidly 迅速地, moderately 温和地, 轻微地, significantly 明显地, sharply 明显地, dramatically急剧地, drastically 急剧地
　　上升名词类: increase, rise, growth, jump, surge
　　下降名词类: decrease, decline, fall, reduction, drop
　　波动名词类: fluctuation
　　修饰名词的形容词: slight, slow, gradual, steady, rapid, moderate, significant, sharp, dramatic, drastic
　　雅思小作文句式2、极值类词汇和表达
　　最高点: reach the peak/top/highest point
　　increase to the peak/top/highest point(所有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(所有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…
　　雅思小作文句式3、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
　　雅思小作文句式4、大约的表达方式
　　about/around + 数字
　　数字 + or so
　　approximately + 数字
　　雅思小作文句式5、常用的小作文的趋势句式表达
　　句式一: 变化主体/图画中主体+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.

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