In 1975,grizzlies were listed under the Endangered Species Act.-|||-Today,there are about 2,000 or more grizzly bears in the U.S.Their recovery has been so-|||-successful that the U.S.Fish and Wildlife Service has twice attempted to de-list grizzlies,which-|||-would loosen legal protections and allow them to be hunted.Both efforts were overturned due to-|||-lawsuits from comservatio groups.For now,grizzlies remain listed.-|||-Obviously ,if precautions(预防)aren't taken,grizzlies can become troublesome,sometimes-|||-killing farm animals or walking through yards in search of food. If people remove food and-|||-attractants from their yards and campsites,grizzlies will typically pass by without trouble. Putting-|||-electric fencing around chicken houses and other farm animal quarters is also highly effective at-|||-getting grizzlies away.Our hope is to have a clean, arctan t-free place where bears can pass-|||-through without learning bad habits,"says James Jonkel,longtime biologist who manages bears in-|||-and around Missoula对接主题-保护生物-|||-(2023·全国甲卷·阅读理解D篇)Grizzly bears,which may grow to about 2.5m long and weigh-|||-over 400kg, occupy a conflicted corner of the American psyche-we revere (敬畏)them even as-|||-they give us frightening dreams.Ask the tourists from around the world that flood into Yellowstone-|||-National Park what they most hope to see,and their answer is often the same:a grizzly bear.-|||-"Grizzly bears are re-occupying large areas of their former range," bear biogologs Chris-|||-Servheen.As grizzly bears expand their range into places where they haven't been seen in a century-|||-or more, they're increasingly being sighte by humans.-|||-The western half of the U.S.was full of grizzlies when Europeans came,with a rough number of-|||-50,000 or more living alongside Native Americans.By the early 1970s,after centuries of cruel and-|||-continuous hunting by settlers, 600 to 800 grizzlies remained on a mere 2 percent of their former-|||-range in the Northern Rockies. In 1975,grizzlies were listed under the Endangered Species Act.-|||-Today,there are about 2,000 or more grizzly bears in the U.S.Their recovery has been so-|||-successful that the U.S.Fish and Wildlife Service has twice attempted to de-list grizzlies,which-|||-would loosen legal protections and allow them to be hunted.Both efforts were overturned due to-|||-lawsuits from comservatio groups.For now,grizzlies remain listed.-|||-Obviously ,if precautions(预防)aren't taken,grizzlies can become troublesome,sometimes-|||-killing farm animals or walking through yards in search of food. If people remove food and-|||-attractants from their yards and campsites,grizzlies will typically pass by without trouble. Putting-|||-electric fencing around chicken houses and other farm animal quarters is also highly effective at-|||-getting grizzlies away.Our hope is to have a clean, arctan t-free place where bears can pass-|||-through without learning bad habits,"says James Jonkel,longtime biologist who manages bears in-|||-and around Missoula对接主题-保护生物-|||-(2023·全国甲卷·阅读理解D篇)Grizzly bears,which may grow to about 2.5m long and weigh-|||-over 400kg, occupy a conflicted corner of the American psyche-we revere (敬畏)them even as-|||-they give us frightening dreams.Ask the tourists from around the world that flood into Yellowstone-|||-National Park what they most hope to see,and their answer is often the same:a grizzly bear.-|||-"Grizzly bears are re-occupying large areas of their former range," bear biogologs Chris-|||-Servheen.As grizzly bears expand their range into places where they haven't been seen in a century-|||-or more, they're increasingly being sighte by humans.-|||-The western half of the U.S.was full of grizzlies when Europeans came,with a rough number of-|||-50,000 or more living alongside Native Americans.By the early 1970s,after centuries of cruel and-|||-continuous hunting by settlers, 600 to 800 grizzlies remained on a mere 2 percent of their former-|||-range in the Northern Rockies. In 1975,grizzlies were listed under the Endangered Species Act.-|||-Today,there are about 2,000 or more grizzly bears in the U.S.Their recovery has been so-|||-successful that the U.S.Fish and Wildlife Service has twice attempted to de-list grizzlies,which-|||-would loosen legal protections and allow them to be hunted.Both efforts were overturned due to-|||-lawsuits from comservatio groups.For now,grizzlies remain listed.-|||-Obviously ,if precautions(预防)aren't taken,grizzlies can become troublesome,sometimes-|||-killing farm animals or walking through yards in search of food. If people remove food and-|||-attractants from their yards and campsites,grizzlies will typically pass by without trouble. Putting-|||-electric fencing around chicken houses and other farm animal quarters is also highly effective at-|||-getting grizzlies away.Our hope is to have a clean, arctan t-free place where bears can pass-|||-through without learning bad habits,"says James Jonkel,longtime biologist who manages bears in-|||-and around Missoula对接主题-保护生物-|||-(2023·全国甲卷·阅读理解D篇)Grizzly bears,which may grow to about 2.5m long and weigh-|||-over 400kg, occupy a conflicted corner of the American psyche-we revere (敬畏)them even as-|||-they give us frightening dreams.Ask the tourists from around the world that flood into Yellowstone-|||-National Park what they most hope to see,and their answer is often the same:a grizzly bear.-|||-"Grizzly bears are re-occupying large areas of their former range," bear biogologs Chris-|||-Servheen.As grizzly bears expand their range into places where they haven't been seen in a century-|||-or more, they're increasingly being sighte by humans.-|||-The western half of the U.S.was full of grizzlies when Europeans came,with a rough number of-|||-50,000 or more living alongside Native Americans.By the early 1970s,after centuries of cruel and-|||-continuous hunting by settlers, 600 to 800 grizzlies remained on a mere 2 percent of their former-|||-range in the Northern Rockies. In 1975,grizzlies were listed under the Endangered Species Act.-|||-Today,there are about 2,000 or more grizzly bears in the U.S.Their recovery has been so-|||-successful that the U.S.Fish and Wildlife Service has twice attempted to de-list grizzlies,which-|||-would loosen legal protections and allow them to be hunted.Both efforts were overturned due to-|||-lawsuits from comservatio groups.For now,grizzlies remain listed.-|||-Obviously ,if precautions(预防)aren't taken,grizzlies can become troublesome,sometimes-|||-killing farm animals or walking through yards in search of food. If people remove food and-|||-attractants from their yards and campsites,grizzlies will typically pass by without trouble. Putting-|||-electric fencing around chicken houses and other farm animal quarters is also highly effective at-|||-getting grizzlies away.Our hope is to have a clean, arctan t-free place where bears can pass-|||-through without learning bad habits,"says James Jonkel,longtime biologist who manages bears in-|||-and around Missoula对接主题-保护生物-|||-(2023·全国甲卷·阅读理解D篇)Grizzly bears,which may grow to about 2.5m long and weigh-|||-over 400kg, occupy a conflicted corner of the American psyche-we revere (敬畏)them even as-|||-they give us frightening dreams.Ask the tourists from around the world that flood into Yellowstone-|||-National Park what they most hope to see,and their answer is often the same:a grizzly bear.-|||-"Grizzly bears are re-occupying large areas of their former range," bear biogologs Chris-|||-Servheen.As grizzly bears expand their range into places where they haven't been seen in a century-|||-or more, they're increasingly being sighte by humans.-|||-The western half of the U.S.was full of grizzlies when Europeans came,with a rough number of-|||-50,000 or more living alongside Native Americans.By the early 1970s,after centuries of cruel and-|||-continuous hunting by settlers, 600 to 800 grizzlies remained on a mere 2 percent of their former-|||-range in the Northern Rockies. In 1975,grizzlies were listed under the Endangered Species Act.-|||-Today,there are about 2,000 or more grizzly bears in the U.S.Their recovery has been so-|||-successful that the U.S.Fish and Wildlife Service has twice attempted to de-list grizzlies,which-|||-would loosen legal protections and allow them to be hunted.Both efforts were overturned due to-|||-lawsuits from comservatio groups.For now,grizzlies remain listed.-|||-Obviously ,if precautions(预防)aren't taken,grizzlies can become troublesome,sometimes-|||-killing farm animals or walking through yards in search of food. If people remove food and-|||-attractants from their yards and campsites,grizzlies will typically pass by without trouble. Putting-|||-electric fencing around chicken houses and other farm animal quarters is also highly effective at-|||-getting grizzlies away.Our hope is to have a clean, arctan t-free place where bears can pass-|||-through without learning bad habits,"says James Jonkel,longtime biologist who manages bears in-|||-and around Missoula