31. lead to degradation of social atmosphere 世风日下
32. further widen the gaps between the rich andthe poor 进一步加大贫富之间的差距
33. be the drying up of our limited natural resources and the deterioration of the environment 有限的自然资源的枯竭和环境的恶化
34. contaminate environment 污染环境
35. generate electromagnetic radiation and jeopardize human health 产生电磁污染而且危害人类健康
36. bring about the risks such as computer virus,nuclear leakage, biological weapons, global warming, exhaustion of natural resources and extinction of many plant and animal species 带来很多风险，比如电脑病毒，核泄露，生化武器，全球变暖，自然资源的枯竭以及很多动植物物种的灭绝
37. be a root of all evils 万恶之源
38. be easily taken in by 容易被欺骗
39. aggravate the traffic jams and worsen the crowdedness 使交通堵塞和拥挤更为恶化
40. will pay a high price for this negative development of 为……的负面发展付出高昂的代价。
以上就是雅思写作中利弊观点表达的100种方式。不建议同学们直接背诵，可以多多练习仿写。
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