Smith DW, Bangs EE (2009) Reintroduction of wolves to Yellowstone National Park: history, values and ecosystem restoration. Reintroduction of top order predators. Wiley-Blackwell, London, pp 92-125Smith DW, Bangs EE (2009) Reintroduction of wolves to Yellowstone National Park: history, values and...
文章首句After years of debate, gray wolves were reintroduced (重新引进) to Yellowstone National Park.点出了文章主题,多年争论后灰狼被重新引进到黄石国家公园。D项正好概括了全文主旨,故选D。2.猜测词义题。根据by human development和They went farther north into the deep forests of Canada, where there...
It was January 12, 1995 when the first grey wolves, captured in Canada, were carried into Yellowstone Park. It drew both national attention andfierce opposition, so much that armed guards were posted to protect those wolves. Bill Whitaker: So, the first wolves released into Yellowstone Park we...
SAN FRANCISCO, Nov. 11 (Xinhua) -- The ecosystem at Yellowstone National Park is being improved with the return of large terrestrial carnivores such as wolves and cougars, according to a new study by Oregon State University (OSU) in western United States. OSU scientists Robert Beschta and Wil...
21. D.主旨题.A项,意为"美国的野生动物研究";B项,意为"黄石地区的植物多样性";C项,意为"农民与苍狼之间的冲突";D项,意为"黄石公园重新引入苍狼".根据文章首句 After years of heated debate, gray wolves were reintroduced to Yellowstone National Park 以及全文大意可知,本篇文章都是围绕苍狼被重新引入...
Bring back the Wolves Difficulty:★★★Scientists in the Yellowstone National Park(黄石公园) in Wyoming(怀俄明州),the U.S., recently started a special project to study how good wolves are at protecting other creatures in the park."Traditionally, wolves have a bad image in many countries as ...
根据第二段第一句 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.可知,过去灰狼在黄石公园随处可见,但是由于人类的发展,灰狼就逐渐被迫撤出了这个地方。所以此处可推测displace的意思为“被迫...
After years of heated debate, gray wolves were reintroduced to Yellowstone National Park in 1995. Fourteen wolves were caught in Canada and transported to the park. By 2007, the Yellowstone wolf population had grown to more than 170.Gray wolves once roamed throughout the Yellowstone area. But ...
根据第一段After years of heated debate,gray wolves were reintroduced to Yellowstone National Park.在激烈争论几年之后,灰狼被重新引入黄石国家公园,因此可知本文主要讲了黄石国家公园狼的重新引入,故选D。 (2)C.词义猜测题。根据第二段Gray wolves once were seen here and there in the Yellowstone area ...
After years of heated debate, gray wolves were reintroduced to Yellowstone National Park. Fourteen wolves were caught in Canada and transported to the park. By last year, the Yellowstone wolf population had grown to more than 115 wolves. Gray wolves once were seen here and there in the Yellow...