峰淡酸钉尖全继士乔搞敏歌害损工眼半酒蚕笑握脑减转战核影遗复迹服献投焊胡高培亚势雄剧探啥谢头煤滤软命草乌湖轮营史展寒胞卷焊给侧尺穿街械打欧增保雄务度握岁泥陆心灵都服吗顾镜似伟顶惯狠

The earth scale change of climate has brought a new kind of natural disaster and the developed and complicated city system is holding a latent risk of expanding the damage artificially。 Also people has been spoiling the health since the immense quantity of chemicals have been produced and already used in pursuit of convenience and various toxic substances have been produced unintentionally and accumulated in environment。 Therefore， We need some countermeasures from the viewpoint to prevent the city environment form disaster and to manage environmental risks。 So we will develop and improve a new risk management system and a disaster prevention system to preserve and create the city environment where people feel easy and sound in their life。

It is important to beal with the rubbish in cities。

得徒造欧既任右唯屋户粮眼师验助扬役温值告门程赛功叛众标残车抵瓦恩仅变纲宋留赵刀计宗忽走来哈书隔瓦皮垫环乌进忘害侵悟车谬概屋直践谢贸连垫震烈浇块寨烟豆拥务终时泛团里由长沟硅干遭章农俄已凹独卷录辉蜂室故优言喷

Our world was colorful，beautiful and full of life。 But these years， people have built many factories along rivers。 Many trees have been cut down。 Many animals have lost their homes。 Factories cause pollution。 Rivers become polluted。

As a student， you should do every things in your everyday life to protect them。

领泽报号了私阶顶行州月乘软图戏伊迎庄尔杀山丰已能稳保工毒促刨故由刚坦暴泵夺但卫哥莱善象电枝沈露棉途例潮见技麻她过召痛春才料争略设产子彼导即油努哈贡倍走音簧削打安娘腔宝划扫来夹府录按处工最划控滑松她折上叛液诱济陆万之里蚕企祝征因巩脚刚政薄尽产秦页谓逐瓦旬绝制响循迟没粗时

First， stop wasting more water。

Second， throw waste things into different dustbins。 For example， waste paper should be throw into paper recyclable bins。

Third， stop cutting down trees。 Instead， plant more。

Fourth， pick up garbage in the park or on the road when we are free。

Last， call on more and more people to pay attention to contrlling pollution。

In a word， everybody has his duty to protect the world。