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标题: 六级练习2013.10.07 [打印本页]

作者: Rebecca949    时间: 2013-10-11 10:57     标题: 六级练习2013.10.07

[audio]http://sound.yywz123.com/tingbbs/cet6/cet620131007.mp3[/audio]



Fortunately, in 1972, a law was passed to ban DDT, which saved the bald eagle from total wipeout. And since then wild life biologists had reintroduced bald eagles from Canada to America.
The result was that last year U.S. bird watchers counted (1)__________________________in the country. If it were dropped from the Endangered Species List, the bald eagle (2)___________________. That means the bird would continue to get the same protection. No hunting allowed, and (3)_________________. But bald eagles still face tough times. The destruction of their natural homes could be the next DDT causing eagle numbers to drop quickly.





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作者: leyla    时间: 2013-10-11 22:55

11610 bald eagles
was drop at threatened species
no disturb be applied
作者: susan.sui    时间: 2013-10-12 11:25

eleven thousand six hundred and ten bald eagles
would still be a threatened species
no disturbing of nests
作者: 伊梦青依    时间: 2014-5-7 15:11

11610 bald eagles




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