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　　今天，空气和水的污染对地球的健康构成了越来越大的威胁。每天机动车排放出成千上万吨的气体。工厂的烟雾污染了工业区和周边地区的空气……下面是小编为大家整理的优秀英语演讲稿，欢迎阅读与借鉴，谢谢!

　　Man and His Environment

　　Throughout history man has changed his physical environment in order to improve his way of life. With the tools of technology he has altered many physical features of the earth. He has transformed woodlands and prairies into farms and made lakes and reserviors out of rivers for irrigation purposes or hydroelectric power. Man has also modified the face of the earth by draining marshes and cutting through mountains to build roads and railways.

　　However, man's changes to the physical environment have not always had beneficial results. Today, pollution of the air and water is an increasing danger to the health of the planet. Each day thousands of tons of gases come out of the exhausts of motor vehicles. Smoke from factories pollutes the air of industrialized areas and the surrounding areas of the countryside. The pollution of water is equally harmful. The whole ecological balance of the sea is being changed and industrial wastes have already made many rivers lifeless.

　　Now environmental protection is more pressing than ever before. As we know, massive destruction of environment has brought about negative effects and even poses a great threat to man's existence. Indifference to these problems will mean committing suicide. Therefore, effective measures should be taken and laws passed to conserve environment. Otherwise,man is certain to suffer from the serious consequences caused by this lack of care for his living surroundings.

　　【参考译文】

　　人与环境

　　纵观历史，人类为了改善生活方式而改变了自己的物质环境。借助于技术工具，他改变了地球的许多物理特征。他将林地和草原改造成农田和河流湖泊和水库，用于灌溉和水力发电。人类还通过排水沼泽和切割山脉来修建土地和铁路来改变地球的面貌。

　　然而，人类对物质环境的改变并不总是有益的。今天，空气和水的污染对地球的健康构成了越来越大的威胁。每天机动车排放出成千上万吨的气体。工厂的烟雾污染了工业区和周边地区的空气。水的污染同样有害。整个海洋生态平衡正在发生变化，工业废水已经使许多河流失去活力。

　　现在环境保护比以往任何时候都更加紧迫。我们知道，大规模的环境破坏带来了负面影响，甚至对人类的生存构成了巨大威胁。对这些问题漠不关心意味着自杀。因此，应该采取有效的措施，通过法律来保护环境。否则，人类肯定会因缺乏对生活环境的关怀而造成的严重后果。

标签：中考优秀环境

热门成语

• 匪夷所思  匪：不是；夷：平常。指言谈行动离奇古怪，不是一般人根据常情所能想象的。
• 风不鸣条  和风轻拂，树枝不发出声响。比喻社会安定。
• 匪夷匪惠  夷：殷末周初的伯夷；惠：春秋时鲁国的柳下惠。既不是伯夷，又不是柳下惠；不具备这两位贤人的品德。形容才德不高而又驾驭的人。
• 分茅裂土  原指古代帝王分封诸侯时举行的仪式。后称分封诸侯。
• 把臂入林  把：指挽着；林：山林。互挽手臂，表示亲热。旧指相偕归隐。
• 飞沙走砾  沙：沙土；砾：小石块。沙土飞扬，小石块滚动。形容风势很猛。
• 诽誉在俗  诽：指诽谤；誉：赞扬；俗：风气、习惯。诽谤或赞扬在于当时的风习。后来引申指风气、习惯的作用非常大。
• 分毫不爽  比喻没有丝毫差错。
• 奔走钻营  到处奔波，削尖脑袋谋求私利。
• 挨肩擦背  形容人多拥挤。
• 飞黄腾达  飞黄：传说中神马名；腾达：上升，引伸为发迹，宦途得意。形容骏马奔腾飞驰。比喻骤然得志，官职升得很快。
• 肥马轻裘  裘：皮衣。骑肥壮的马，穿轻暖的皮衣。形容阔绰。
• 补天柱地  修补天，支撑地。比喻伟大的功勋。
• 不可磨灭  磨灭：消失。永远消失不了。指事迹言论等将始终保留在人们的记忆中。
• 不落窠臼  比喻有独创风格，不落旧套。