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北师大版高中英语模块7--Unit 22 Environmental 2

时间:2011-04-01 08:34来源:互联网 提供网友:dr8201   字体: [ ]
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[00:02.31]Forests
[00:03.63]The world's forests are the natural habitats
[00:05.99]for millions of species of plants,
[00:08.33]insects, birds, reptiles1 and mammals.
[00:11.68]They also help produce clean oxygen.
[00:14.47]Because of illegal logging,
[00:16.33]forest fires and climate change,
[00:18.49]the world's forests are disappearing
[00:20.59]at the rate of 146,000 square kilometers a year
[00:25.92]That's about the same size as Nepal.
[00:28.60]At one time, half the land on the Earth's
[00:31.24]surface was covered by forest.
[00:33.11]Today, it is about a quarter.
[00:35.56]The WWF spends US$40 million a year to protect
[00:40.80]existing forests and to plant new trees
[00:43.29]in deforested areas.
[00:47.97]Oceans
[00:49.38]About two thirds of the Earth's surface
[00:51.59]is covered by the seas
[00:53.23]which are home to millions of species of plants
[00:55.66]and animals.
[00:57.10]The sea is also an important source of food
[00:59.50]for all of us.
[01:00.63]Without the seas, we could not live.
[01:02.80]But, because of pollution and over-fishing,
[01:05.39]many marine2 species are in danger.
[01:07.81]The WWF has the largest marine conservation
[01:10.84]programme in the world,
[01:12.83]and works closely with goverments
[01:14.42]to protect sea life.
[01:15.35]


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1 reptiles 45053265723f59bd84cf4af2b15def8e     
n.爬行动物,爬虫( reptile的名词复数 )
参考例句:
  • Snakes and crocodiles are both reptiles. 蛇和鳄鱼都是爬行动物。 来自《简明英汉词典》
  • Birds, reptiles and insects come from eggs. 鸟类、爬虫及昆虫是卵生的。 来自《现代汉英综合大词典》
2 marine 77Izo     
adj.海的;海生的;航海的;海事的;n.水兵
参考例句:
  • Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。
  • When the war broke out,he volunteered for the Marine Corps.战争爆发时,他自愿参加了海军陆战队。
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