1. 与趋势有关的词语：
上升(动词)：increase, rise, climb, ascend, surge, shoot up
下降(动词)：decrease, decline, drop, fall, descend, plunge
持平(动词)：remain stable, keep constant, level off, flatten out
波动(动词)：fluctuate, wave, go up and down
快速(形容词/副词)：considerable/considerably, significant/significantly,substantial/substantially,remarkable/remarkably, dramatic/dramatically
稳步(形容词/副词)：steady/steadily, stable/stably, moderate/moderately, modest/modestly
缓慢(形容词/副词)：slight/slightly, minimal/minimally, marginal/marginally
顶点(名词 /动词)：peak
趋势 (名词)：trend/ tendency
2. 与大小相关的词语：
Outnumber (动词)：在数量上超过The demonstrators were outnumbered by the police
Exceed (动词)：在数量上超过
Triple (动词)：变成三倍The figure has tripled.
Double (动词)：变成两倍The price of houses has virtually doubled over the past few years.
Mount to (动词)：达到
Counterpart (名词)：对应的另一方，比较的另一方 this product is better than its counterparts
此外，南京朗阁雅思写作老师建议考生还应考虑一下题中数据和百分比有没有联系，如果有的话还应添加一些数据所占百分比的语句。
3. 相关词语：
百分比(名词)：proportion, rate, percentage, share
占据 (动词)：occupy, comprise, constitute, account for, represent.
数字：number, amount, data, figure
比例：rate, proportion, percentage, share
大约：roughly, about, nearly, approximately, a little less than, slightly more than
各自地：respectively, for each，severally