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雅思阅读练习题:使用杀虫剂的弊端

2015.08.05 15:28

  新东方在线雅思网特为大家准备了雅思阅读练习题:使用杀虫剂的弊端,供大家学习参考。雅思阅读备考阶段,同学们需要通过适量的练习题来检测自己的备考效果。希望以下内容能够对大家的雅思备考有所帮助!更多雅思报名官网的最新消息,最新、最专业的雅思备考资料,新东方在线雅思网将第一时间为大家发布。

  阅读段落

  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.


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