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英语专业四级听写048

时间:2009-01-09 01:58来源:互联网 提供网友:Zoe-w   字体: [ ]
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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 extinction1 rate of wildlife species is experiencing a parallel trend.
Take the United States for instance. In 1990, U.S. population reached an unprecedented2 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 fully3 justified4 in declaring that the explosive population growth has had an adverse5 effect on the survival of wildlife species and will be a constant threat to the wildlife resources if no immediate6 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 demolishing7 the environment we are living in. (152 words)

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1 extinction sPwzP     
n.熄灭,消亡,消灭,灭绝,绝种
参考例句:
  • The plant is now in danger of extinction.这种植物现在有绝种的危险。
  • The island's way of life is doomed to extinction.这个岛上的生活方式注定要消失。
2 unprecedented 7gSyJ     
adj.无前例的,新奇的
参考例句:
  • The air crash caused an unprecedented number of deaths.这次空难的死亡人数是空前的。
  • A flood of this sort is really unprecedented.这样大的洪水真是十年九不遇。
3 fully Gfuzd     
adv.完全地,全部地,彻底地;充分地
参考例句:
  • The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气,然后全部呼出。
  • They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。
4 justified 7pSzrk     
a.正当的,有理的
参考例句:
  • She felt fully justified in asking for her money back. 她认为有充分的理由要求退款。
  • The prisoner has certainly justified his claims by his actions. 那个囚犯确实已用自己的行动表明他的要求是正当的。
5 adverse 5xBzs     
adj.不利的;有害的;敌对的,不友好的
参考例句:
  • He is adverse to going abroad.他反对出国。
  • The improper use of medicine could lead to severe adverse reactions.用药不当会产生严重的不良反应。
6 immediate aapxh     
adj.立即的;直接的,最接近的;紧靠的
参考例句:
  • His immediate neighbours felt it their duty to call.他的近邻认为他们有责任去拜访。
  • We declared ourselves for the immediate convocation of the meeting.我们主张立即召开这个会议。
7 demolishing 0031225f2d8907777f09b918fb527ad4     
v.摧毁( demolish的现在分词 );推翻;拆毁(尤指大建筑物);吃光
参考例句:
  • The machine was designed specially for demolishing old buildings. 这种机器是专为拆毁旧楼房而设计的。 来自《用法词典》
  • Conventional demolishing work would have caused considerable interruptions in traffic. 如果采用一般的拆除方法就要引起交通的严重中断。 来自辞典例句
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