1阅读理解Yellowstone National Park.☞文章内容an easy day hike or boat trip can turn into a battle for survival.Grown-ups are often surprised by how well they remember something they learned as children but have never practiced ever since. A man who has not had a chance to go swimming for...
Highlights the problems faced by Yellowstone National Park (YST) in Wyoming. Treatment of YST as a large ecosystem; Protection of its unique environmental qualities; Inclusion of YST in the list of ...
根据第三段中的“biologists asked the government to consider reintroducing wolves to Yellowstone Park. They hoped that wolves would be able to control the elk and coyote problems.”可知生物学家们提出重新引进灰狼是为了平衡当地的生态环境,使之趋于正常。故选A。(5)考查推理判断。根据文章对重新引进灰狼...
The coyotes killed a large per-centage of the park's red foxes, and completely drove awaythe park's beavers.As early as 1966, biologists asked the government toconsider reintroducing wolves to Yellowstone Park. Theyhoped that wolves would be able to control the elk and coy-ote problems. ...
And if the elk can’t move into the park, then that creates problems for the wolves and a lot of other creatures. The elk are the most abundant large herbivores in the Yellowstone ecosystem. Those moving routes need to stay open. Smith notes that Yellowstone National Park is just one ...
The coyotes killed a large percentage of the park’s red foxes, and completely drove away the park’s beavers. As early as 1966, biologists asked the government to consider reintroducing wolves to Yellowstone Park. They hoped that wolves would be able to control the elk and coyote problems. ...
The coyotes killed a large percentage of the park's red foxes, and completely drove away the park's beavers.As early as 1966, biologists asked the government to consider reintroducing wolves to Yellowstone Park. They hoped that wolves would be able to control the elk and coyote problems. ...
Yellowstone National Park.文章内容an easy day hike or boat trip can turn into a battle for survival. Grown-ups are often surprised by how well they remember something they learned as children but have never practiced ever since. A man who has not had a chance to go swimming for years can...
But the flooding affected the rest of the park, too, with park officials warning of yet higher flooding and potential problems with water supplies and wastewater systems at developed areas. "We will not know timing of the park's reopening until flood waters subside and we're able to assess ...
cause problems in something seemingly as simple as where a boardwalk meets a trail or asphalt.” Still, media entities includingFrommers, Roadtrippers.com,Men’s Journal, Outdoorsy.com,AmeriDisability, andOutsidehave recognized Yellowstone as one of best national parks for those with mobility ...