Earth&Sky:黄石地区野牛群不得病
来源：沪江听写酷
2011-07-09 06:30
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听写填空,只写填空内容,不抄全文,4个单词/词组+1个句子,不用写标号~
A century ago, there were only about 25 bison left in Yellowstone National Park due to overhunting. But today's free-ranging bison herd is so large, the park has been required to reduce the herds size. That's because of the risk of the bison spreading disease to nearby cattle.
Marm Kilpatrick: Because of the risk of [---1---] of this disease, brucellosis, a third of the population was rounded up and taken to slaughter.
You're listening to ecologist Marm Kilpatrick. He's speaking of the winter of 2007-2008, when [---2---], and the large size of the herd, caused more than a thousand bison to leave the park to find food. Nearby ranchers worry that their cattle will [---3---] the disease the bison carry.
Marm Kilpatrick: If the bison population gets up to five or seven thousand individuals, then every year you're going to have a substantial number of bison outside the park. And, if the management strategy is to basically not allow more than a couple hundred bison outside the park, then it's going to result in these years when you're going to have [---☆---] events.
[---5---].
Marm Kilpatrick: We have to either be comfortable with bison roaming the plains again, or be comfortable with some management strategy that includes controlling the bison population in a very active, managed way.
I'm Lindsay Patterson for E&S, a clear voice for science.
We're at E&
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PS：由于本期第☆空有点复杂，而且没有确切的答案，所以不用写在听写答案里，只听其他四空，关于☆这空的内容，有想法的同学可以在下面讨论区留言，欢迎大家积极讨论~
听写填空,只写填空内容,不抄全文,4个单词/词组+1个句子,不用写标号~
A century ago, there were only about 25 bison left in Yellowstone National Park due to overhunting. But today's free-ranging bison herd is so large, the park has been required to reduce the herds size. That's because of the risk of the bison spreading disease to nearby cattle.
Marm Kilpatrick: Because of the risk of [---1---] of this disease, brucellosis, a third of the population was rounded up and taken to slaughter.
You're listening to ecologist Marm Kilpatrick. He's speaking of the winter of 2007-2008, when [---2---], and the large size of the herd, caused more than a thousand bison to leave the park to find food. Nearby ranchers worry that their cattle will [---3---] the disease the bison carry.
Marm Kilpatrick: If the bison population gets up to five or seven thousand individuals, then every year you're going to have a substantial number of bison outside the park. And, if the management strategy is to basically not allow more than a couple hundred bison outside the park, then it's going to result in these years when you're going to have [---☆---] events.
[---5---].
Marm Kilpatrick: We have to either be comfortable with bison roaming the plains again, or be comfortable with some management strategy that includes controlling the bison population in a very active, managed way.
I'm Lindsay Patterson for E&S, a clear voice for science.
We're at E&
【视听版科学小组荣誉出品】
PS：由于本期第☆空有点复杂，而且没有确切的答案，所以不用写在听写答案里，只听其他四空，关于☆这空的内容，有想法的同学可以在下面讨论区留言，欢迎大家积极讨论~
transmission
harsh conditions
contract
Kilpatrick said that the risk of transmitting the disease is relatively low, but it increases with the size of the herd.
1 transmission [trænzˈmiʃən] n.传送, 传播, 传达
播送---We interrupt our normal transmissions to bring you a piece of special news.
我们中断正常节目, 播送一条特别新闻。
传动装置, 变速器---The company has a transmission plant in France.
那家公司在法国有一座变速器工厂。
2 harsh conditions恶劣的条件--->harsh reality残酷的现实
3 contract vt.缩减
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以上仅供参考,欢迎大家参与讨论~
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