2，英译中
We must seek immediate solutions for problems leading to the rapid depletion of the earth\'s ozone layer . If allowed to proceed unchecked , the problem will undoubtedly exacerbate global warming and threaten life as we know it today .
我们必须寻求立即的措施来解决引起地球臭氧层迅速损耗的问题，如果任其发展，不加制止，这一问题无疑将加剧全球升温，并且如我们所料那样危及生命。
3，学习
We must seek immediate solutions for problems leading ... If allowed to proceed unchecked,the problem will undoubtedly...
4，造句
We must seek immediate solutions for problems leading to severe neglect to our traditional festivals.If allowed to proceed unchecked ,the problem will undoubtedly be a disaster our excellent 5000 years old tradtional culture.
5，复习
The ample evidence presented enables us to reasonably conclude that the scourge of AIDS will be brought under control in the foreseeable future.
