雅思阅读练习之单调综合症

阅读段落

By the mid-1960s, the situation took an alarming turn with the outbreak of four more new pests, necessitating pesticide spraying to such an extent that 50% of the financial outlay on cotton production was accounted for by pesticides. In the early 1970s, the spraying frequently reached 70 times a season as the farmers were pushed to the wall by the invasion of genetically stronger insect species.

段落大意

本段介绍了这种“单调综合症”发展到后期令人无法忍受的情形：每季度喷洒70次农药。

阅读笔记

Mid-1960s：50% of financial outlay on cotton production——pesticides

Early 1970s：70 times a season & invasion of genetically stronger insect species

逻辑关系

1. 并列(无逻辑连接词)

By the mid-1960s, the situation took an alarming turn with the outbreak of four more new pests, necessitating pesticide spraying to such an extent that 50% of the financial outlay on cotton production was accounted for by pesticides.

In the early 1970s, the spraying frequently reached 70 times a season as the farmers were pushed to the wall by the invasion of genetically stronger insect species.

(编辑：罗伟)