Some communities have even discussed the possibility of bringing wolves back into the ecological mix.
出自-2013年12月听力原文
That means wolves in the suburbs of New York
出自-2013年12月听力原文
The wolves would kill deer of course.
出自-2013年12月听力原文
What would happen if wolves were brought back into the ecological mix
出自-2013年12月听力原文
They have fallen prey to wolves.
出自-2013年12月听力原文
After years of heated debate, gray wolves were reintroduced to Yellowstone national park.
2017年高考英语全国卷3 阅读理解 阅读C 原文
As early as 1966, biologists asked the government to consider reintroducing wolves to Yellowstone park.
2017年高考英语全国卷3 阅读理解 阅读C 原文
By last year, the Yellowstone wolf population had grown to more than 170 wolves.
2017年高考英语全国卷3 阅读理解 阅读C 原文
By the 1920s, wolves had practically disappeared from the Yellowstone area.
2017年高考英语全国卷3 阅读理解 阅读C 原文
Deer and elk populations — major food sources for the wolf – grew rapidly.
2017年高考英语全国卷3 阅读理解 阅读C 原文
Fish and Wildlife Service carefully monitors and manages the wolf packs in Yellowstone.
2017年高考英语全国卷3 阅读理解 阅读C 原文
Fourteen wolves were caught in Canada and transported to the park.
2017年高考英语全国卷3 阅读理解 阅读C 原文
Gray wolves once were seen here and there in the Yellowstone area and much of the continental united states, but they were gradually displaced by human development.
2017年高考英语全国卷3 阅读理解 阅读C 原文
In the absence of wolves, coyote populations also grew quickly.
2017年高考英语全国卷3 阅读理解 阅读C 原文
In the ocean, we fished for top predators such as cod on an industrial scale, while on land, we killed off large predators such as wolves.
2019年高考英语天津卷 阅读理解 阅读C 原文
Many farmers opposed the plan because they feared that wolves would kill their farm animals or pets.
2017年高考英语全国卷3 阅读理解 阅读C 原文
The conflict between farmers and gray wolves.
2017年高考英语全国卷3 阅读理解 阅读C 选项
The disappearance of the wolves had many unexpected results.
2017年高考英语全国卷3 阅读理解 阅读C 原文
The government spent nearly 30 years coming up with a plan to reintroduce the wolves.
2017年高考英语全国卷3 阅读理解 阅读C 原文
The reintroduction of wolves to Yellowstone Park.
2017年高考英语全国卷3 阅读理解 阅读C 选项
The Yellowstone wolf project has been a valuable experiment to help biologists decide whether to reintroduce wolves to other parts of the country as well.
2017年高考英语全国卷3 阅读理解 阅读C 原文
They hoped that wolves would be able to control the elk and coyote problems.
2017年高考英语全国卷3 阅读理解 阅读C 原文
Today, the debate continues over how well the gray wolf is fitting in at Yellowstone.
2017年高考英语全国卷3 阅读理解 阅读C 原文