2017英语专四听力dictation提高100篇(92)

2016-12-09 15:07:29来源:网络

2017英语专四听力dictation提高100篇(92)

  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。

  Tropical Forests in the World

  The world's forests are disappearing. As much as 1/3 of the total tree cover has been lost since agriculture began some 10,000 years ago. The remaining. forests are home to half of the world's species, thus becoming the chief resource for their survival. Tropical rain forests once covered 12% of the land of the planet, as well as supporting at least half of the world's species of plants and animals. These rain forests are home to millions of people. But there are other demands on them as well. For example, much wood has been cut for timber. An increasing amount of forest land has been used for industrial purposes or for agricultural development such as crop-growing. By the 1990's, less than half of the earth's original rain forests remained, and they continue to disappear at an alarming rate every year. As a result, the world's forests are now facing gradual extinction.


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