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2017英语专四听力dictation提高100篇（89）

2016-12-08 11:22:13来源：网络

2017英语专四听力dictation提高100篇（89）

　　英语专四听力dictation是英语专四考试第一项听写，考试时间十分钟分值为10分。很多考生对这部分题感到不好得分，其实平时的写作练习对于此部分也是有所帮助，新东方在线专四频道整理了英语专四听力dictation提高100篇，希望考生们扎实练习。

　　Human Actions

　　Human actions can destroy resources. When we produce goods and services that are supposed to improve our health, we may destroy resources. We misuse resources such as air and water by regarding them as unlimited, unchanging, and freely available for use in the production of goods and services. Not all human actions harm. the physical environment. Every resource has the capacity to accept some human abuse. Harmful effects result when human actions generate more waste than the resource is capable of accommodating. Human action that negatively affects a resource is known as pollution. Pollution varies from region to region according to the types of human actions. In general, we find high levels of pollution in regions of concentrated populations. Pollution also varies according to levels of economic development. Most pollution is a by-product of production in relatively developed economies.


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