雅思长难句一直是雅思阅读中的一个难点，烤鸭们几乎都被折磨过。今天，雅思小编给大家带来剑8 Test4 Passage2长难句分析，让烤鸭们掌握分析长难句的技巧，攻克长难句，不再是个传说。
1. 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. (剑8 Test 4 Passage 2 )
句子结构分析：这句话主干是One glaring disadvantage of pesticides' application is that they also wipe out…。That引导表语从句，while…做插入语，引导让步状语从句，which引导非限制性定语从句修饰organisms。
译文：使用杀虫剂的一个很明显的缺点在于，尽管它能杀掉害虫，但是它也无意中毁掉了许多有用的有机生物，这些生物能够控制害虫数量的增长。
2. 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. (剑8 Test 4 Passage 2 )
我们先来认识一下单词：
1. necessitate(vt. 使成为必需)
2. outlay(n. 经费，支出)
3. pesticide (n. 害虫)
句子结构分析：这句话主干是the situation took an alarming turn with the outbreak…，necessitating坐做伴随状语，such…that…引导结果状语从句。
译文：到20世纪60年代中期，情况变得越发令人不安，又出现了4种新害虫，使得喷洒农药的费用占到了棉花生产费用的50%。
3. In the face of the escalating perils from indiscriminate applications of pesticides, a more effective and ecologically sound strategy of biological control, involving the selective use of natural enemies of the pest population, is fast gaining popularity - though, as yet, it is a new field with limited potential. (剑8 Test 4 Passage 2)
我们先来认识一些单词：
1. escalate(v. 不断恶化，加剧)
2. peril (n.事故，危险)
3. indiscriminate (adj. 任意的，无差别的)
句子结构分析：这句话的主干是a more effective and ecologically sound strategy of biological control is fast gaining popularity though, as yet, it is a new field with limited potential. Though尽管，引导让步状语从句，as yet，表示迄今为止。Involving 包含、涉及，修饰biological control。
译文：滥用农药所带来的危害日益加剧。面对这种情况，一种更加行之有效而健全的生态策略，即生物防虫法，就越来越受欢迎。这种策略主要是有选择性地使用害虫的天敌。尽管迄今为止，这一新领域潜力有限，但受欢迎程度还是与日俱增。
如果想对备考经验有更多地了解，请关注前程百利-考试论坛-雅思综合交流区-备考经验http://bbs.bailiedu.com/forum-46-1.html
如果想更多地关注雅思剑桥真题题目解析，请关注前程百利-考试论坛-雅思题目讨论http://bbs.bailiedu.com/forum-45-1.html
以上就是剑8test4Passage2长难句分析的全部内容，希望大家能够关注，后期我们还会陆续为大家带来每篇文章的长难句介绍，供大家参考!最后，前程百利雅思频道小编预祝大家考出满意的雅思成绩。更多出国考试信息请继续关注前程百利雅思考试频道。
您还可能关注：
