With the prosperity of economy in modern society, _______主题 has become a problem we have to face.The problem reflected is not rare nowadays,as we always read news that _______新闻出处 .Reasons why this kind of _______现象 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, _______这种事情可能会出现的原因 could never be excuse for _______这种事情 .Hence citizens/the public should _______采取什么样的措施 to prevent _______这种事情的发生 from occurring.Additionally,efforts of individuals/one/the public should be supplemented by _______方法 ,for example, _______举例说明(可有可无) ,which would be of great significance to .