同学你好，很高兴为您解答，作为美国历史最悠久、规模最大、最有影响力的演讲和辩论组织，nsda演讲赛具有很高的可信度和价值。下面为大家介绍一下历年的nsda演讲赛题目。

　　2019-20 赛季

　　第二轮辩题：Resolved: “Technology companies’ use of personal data is more beneficial than harmful”

　　第一轮辩题：Resolved: “On balance, cryptocurrencies are more beneficial than harmful”

　　2018-19 赛季

　　总决赛辩题：Resolved：When in conflict, the spirit of the law ought to take priority over the letter of the law

　　第二轮辩题：On balance, refugee restrictions in developed countries are permissible

　　第一轮辩题：Public health services should expand access to gene editing technologies

　　TOC中国冠军赛辩题：Public health services should expand access to gene editing technologies

　　2017-18 赛季

　　第一轮辩题：Resolved: Humanity should establish a space colony by 2050

　　TOC中国冠军赛辩题：Resolved: Humanity should establish a space colony by 2050

　　第二轮辩题：On balance, economic globalization is a threat to the national interest of countries

　　总决赛辩题：A just government ought to provide a universal basic income for its citizens

　　2016-17 赛季

　　第一轮辩题：Rehabilitation should be prioritized over retribution in the criminal justice system

　　TOC中国冠军赛辩题：Rehabilitation should be prioritized over retribution in the criminal justice system

　　第二轮辩题：On balance, legal barriers to immigration are more harmful than beneficial to society

　　总决赛辩题：On balance, Foreign aid is more beneficial than harmful in sub-Saharan Africa

　　2015-16 赛季

　　第一轮辩题：Animal testing for scientific and commercial purposes should be banned

　　第二轮辩题：Governments should prefer the exploration of space beyond the Earth’s mesosphere to the exploration of Earth’s oceans

　　总决赛辩题：The United Nations Security Council should be expanded to include more permanent members

　　2014-15 赛季

　　第一轮辩题：States ought not possess nuclear weapons

　　第二轮辩题：China should increase its use of nuclear power

　　总决赛辩题：Regional trade blocs improve political stability in Asia

　　2013-14 赛季

　　第一轮辩题：Mainland China should substantially develop its casino gaming industry

　　第二轮辩题：China should prioritize reducing the gap between the rich and the poor over economic growth

　　总决赛辩题：The United Nations should prioritize poverty reduction over environmental protection

　　2012-13 赛季

　　第一轮辩题：China should increase its use of nuclear power

　　第二轮辩题：China should increase its use of nuclear power

　　总决赛辩题：China should substantially increase restrictions on the distribution of genetically modified foods in China

　　以上就是有关nsda演讲赛题目的介绍，NSDA可以培养学生的批判性思维、认真倾听和深入研究的能力，通过理性的推理，帮助学生得出有充分证据支持、有吸引力和有说服力的观点。这些技能对于未来的个人发展以及解决主要的社会问题都是必不可少的。