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，优择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

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