2021年英语专四听力练习材料048

2021-06-10 17:12:00来源:网络

  新东方在线专四专八频道给大家整理的2021年英语专四听力练习材料048,希望能够对大家的专四专八考试备考有所帮助,更多有关专四专八的备考内容,欢迎随时关注新东方在线专四专八频道。

  Passage 48

  Population Growth

  It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend.

  Take the United States for instance. In 1990, U.S. population reached an unprecedented level of 250 million, which is approximately 250 times of that of 1800. On the other hand, wildlife species are disappearing from the country at an alarming rate. By 1900, about 70 wildlife species would never be seen in U.S.. We are fully justified in declaring that the explosive population growth has had an adverse effect on the survival of wildlife species and will be a constant threat to the wildlife resources if no immediate actions are taken.

  Nothing has ever equaled the magnitude and speed with which the human species is altering the physical and chemical world. It has been demolishing the environment we are living in. (152 words)

  以上就是新东方在线专四专八频道给大家整理的2021年英语专四听力练习材料048,希望对大家有所帮助,更多备考内容,欢迎随时关注新东方在线专四专八频道。


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