您要查找的是不是：
- Serious pollution in modem cities gives some cause for concern. 现代城市中的严重污染令人担忧。
- Serious pollution in modern cities give some cause for the concern. 现代城市中的污染令人担忧。
- There has been serious pollution since industrialization. 自从工业化以来就有了严重的污染。
- The citizens of Mexico City live with a serious pollution problem. 墨西哥城的居民生活在严重污染的环境里。
- Serious pollution in big cities gives some cause for anxiety. 大城市的严重污染令人担忧。
- There will be serious pollution in Shanghai in the future. 将来的上海会有严重污染。
- Second, more cars will result in mores serious pollution. 其次，车越多污染也就越严重。
- Serious pollution in big cities gives some cause for anxiety/concern/worry. 大城市的污染令人担忧。
- We should take measures to save our planet from the serious pollution. 我们应该采取措施把我们地球从严重的污染中拯救出来。
- The more tourists arrive，the more serious pollution problem perplexes us. 越多游客的来临，我们面临的污染问题就越严重。
- The disused battery is very harmful and may cause serious pollution unless handled in a proper way. 废电池对人体危害极大，只有妥善处理才能将污染尽量减少。
- Serious pollutions in modem cities give some cause for concern. 现代城市中的严重污染令人担忧。
- Indiscriminate development of small paper mills has caused serious pollution in the area. 任意发展小造纸厂给那个地区造成了严重的污染。
- New York is the most serious polluted city in America. 纽约市是美国空气污染最严重的城市.
- For example, with the developmet of cities, the using of insecticide and serious pollution, their living areas have become narrowcr and narrower. 譬如，随着城市的发展，杀虫剂的使用和严重的污染，野生动物的生活区域变得越来越狭小。
- People seem to fail to take into account the fact that the serious pollution is binging abour harm to people's health. 人们似乎忽视了教育不应该随着毕业而完毕这一事实.
- Lacking of water and serious pollution are important restricting factors of sustainable development in our country. 水资源紧张、水污染严重已成为我国可持续发展的重要制约因素。
- This paper mill directly expires sewage to the river, causing a serious pollution. 这个造纸厂直接把污水排到河里，造成了严重污染。
- Urban refuse is a serious pollution source,and it is important to classify,industrialize and recycle urban refuse. 城市垃圾污染问题不容忽视,危害巨大,加强城市垃圾分类,如何进行资源化、产业化、无害化处理是一项利国利民的大事。
- Factories and cars emit carbon monoxide gas for a class of serious pollution to the atmosphere. 工厂和汽车排出的一氧化碳一类气体严重污染了大气。
