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托福听力短文 II-14-3

时间:2009-01-13 01:56来源:互联网 提供网友:lanmengxue98   字体: [ ]
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    (单词翻译:双击或拖选)
(WB) As Dr. Miller1 mentioned, we're trying to recruit volunteers for the Hawk2 Mountain Sanctuary3. But before I get into the details of the volunteer program, I'd just like to tell you a little about what we do there.

One of our main jobs is to keep detailed4 records of the migration5 patterns of raptors. For those of you who don't know, raptors are birds of prey6, like hawks7 and eagles. Between August and December, we see around twenty different species migrating from Canada and New England --- about 20,000 birds.

Part of what attracts them to Hawk Mountain is the location on the east ridge8 of the Appalachian Mountains. What happens is that the sun warms the ridge in such a way that air currents are formed. The birds just sort of glide9 along on the air --- so they use up very little energy.

As volunteers you'll be helping10 us keep accurate counts of the raptors. Any drop in number could mean something's gone wrong in the environment --- because of pesticides11 or disease --- even hunting.

We just had a scare with the broad-winged hawks. Their numbers have dropped drastically over the last ten years. It was suggested that the birds may have changed their migratory12 route. So for 11days we had several hundred volunteers --- stationed every five miles --- to observe and count. And sure enough, they discovered that instead of hugging the Appalachians as they'd always done, the broad-wings were cutting a wide path over the Delaware River. Needless to say, we were greatly relieved.

点击收听单词发音收听单词发音  

1 miller ZD6xf     
n.磨坊主
参考例句:
  • Every miller draws water to his own mill.磨坊主都往自己磨里注水。
  • The skilful miller killed millions of lions with his ski.技术娴熟的磨坊主用雪橇杀死了上百万头狮子。
2 hawk NeKxY     
n.鹰,骗子;鹰派成员
参考例句:
  • The hawk swooped down on the rabbit and killed it.鹰猛地朝兔子扑下来,并把它杀死。
  • The hawk snatched the chicken and flew away.老鹰叼了小鸡就飞走了。
3 sanctuary iCrzE     
n.圣所,圣堂,寺庙;禁猎区,保护区
参考例句:
  • There was a sanctuary of political refugees behind the hospital.医院后面有一个政治难民的避难所。
  • Most countries refuse to give sanctuary to people who hijack aeroplanes.大多数国家拒绝对劫机者提供庇护。
4 detailed xuNzms     
adj.详细的,详尽的,极注意细节的,完全的
参考例句:
  • He had made a detailed study of the terrain.他对地形作了缜密的研究。
  • A detailed list of our publications is available on request.我们的出版物有一份详细的目录备索。
5 migration mDpxj     
n.迁移,移居,(鸟类等的)迁徙
参考例句:
  • Swallows begin their migration south in autumn.燕子在秋季开始向南方迁移。
  • He described the vernal migration of birds in detail.他详细地描述了鸟的春季移居。
6 prey g1czH     
n.被掠食者,牺牲者,掠食;v.捕食,掠夺,折磨
参考例句:
  • Stronger animals prey on weaker ones.弱肉强食。
  • The lion was hunting for its prey.狮子在寻找猎物。
7 hawks c8b4f3ba2fd1208293962d95608dd1f1     
鹰( hawk的名词复数 ); 鹰派人物,主战派人物
参考例句:
  • Two hawks were hover ing overhead. 两只鹰在头顶盘旋。
  • Both hawks and doves have expanded their conditions for ending the war. 鹰派和鸽派都充分阐明了各自的停战条件。
8 ridge KDvyh     
n.山脊;鼻梁;分水岭
参考例句:
  • We clambered up the hillside to the ridge above.我们沿着山坡费力地爬上了山脊。
  • The infantry were advancing to attack the ridge.步兵部队正在向前挺进攻打山脊。
9 glide 2gExT     
n./v.溜,滑行;(时间)消逝
参考例句:
  • We stood in silence watching the snake glide effortlessly.我们噤若寒蝉地站着,眼看那条蛇逍遥自在地游来游去。
  • So graceful was the ballerina that she just seemed to glide.那芭蕾舞女演员翩跹起舞,宛如滑翔。
10 helping 2rGzDc     
n.食物的一份&adj.帮助人的,辅助的
参考例句:
  • The poor children regularly pony up for a second helping of my hamburger. 那些可怜的孩子们总是要求我把我的汉堡包再给他们一份。
  • By doing this, they may at times be helping to restore competition. 这样一来, 他在某些时候,有助于竞争的加强。
11 pesticides abb0488ed6905584ea91347395a890e8     
n.杀虫剂( pesticide的名词复数 );除害药物
参考例句:
  • vegetables grown without the use of pesticides 未用杀虫剂种植的蔬菜
  • There is a lot of concern over the amount of herbicides and pesticides used in farming. 人们对农业上灭草剂和杀虫剂的用量非常担忧。 来自《简明英汉词典》
12 migratory jwQyB     
n.候鸟,迁移
参考例句:
  • Many migratory birds visit this lake annually.许多候鸟每年到这个湖上作短期逗留。
  • This does not negate the idea of migratory aptitude.这并没有否定迁移能力这一概念。
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TAG标签:   托福听力  托福短文
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