With the prosperity of economy in modern society, _______主題 has become a problem we have to face.The problem reflected is not rare nowadays,as we always read news that _______新聞出處 .Reasons why this kind of _______現象 occurs from time to time are various.One of possible causes is _______原因 .It is also owing to the fact that .

　　In any causes,however, _______這種事情可能會出現的原因 could never be excuse for _______這種事情 .Hence citizens/the public should _______采取什么樣的措施 to prevent _______這種事情的發(fā)生 from occurring.Additionally,efforts of individuals/one/the public should be supplemented by _______方法 ,for example,_______舉例說明(可有可無) ,which would be of great significance to .