2013年雅思考试阅读精讲辅导（二）
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雅思阅读辅导之使用杀虫剂的明显弊端
One glaring disadvantage of pesticides' application is that, while destroying harmful pests, they also wipe out many useful non-targeted organisms, which keep the growth of the pest population in check. This results in what agroecologists call the 'treadmill syndrome'. Because of their tremendous breeding potential and genetic diversity, many pests are known to withstand synthetic chemicals and bear offspring with a built-in resistance to pesticides.
段落大意
本段介绍了使用杀虫剂的明显弊端：杀死了抑制害虫的生物;害虫抵抗化学制品。
阅读笔记
Disadvantage of pesticides' application:
Wipe out useful non-targeted organisms(control growth of pest)→ 'treadmill syndrome'
Tremendous breeding potential + genetic diversity→withstand synthetic chemicals & bear offspring with built-in resistance
逻辑关系
1. 因果(逻辑连接词: BECAUSE OF)
Their tremendous breeding potential and genetic diversity.
Many pests are known to withstand synthetic chemicals and bear offspring with a built-in resistance to pesticides.