A | 据媒体报道，夏威夷最后一棵金冠树耳蜗（Achatinella apexfulva）最近死亡，这意味着该物种也已经灭绝。
B | SANTIAGO, Chile -- U.S. gymnast Jordan Chiles has dreamed about being a flagbearer at a major sports event since she saw her friend Simone Biles do it at the Rio de Janeiro Olympics closing ceremony. The 22-year-old managed to get her wish at the opening of the Pan American Games in Santiago on Friday.On Sunday, the silver medalist at the Tokyo Olympics made another dream come true; to lead the U.S. women's gymnastics team into a continental final and then to a gold medal. The U.S. topped the all-round women's competition with 165.196 points, with a big push from Chiles to give the Americans their sixth straight women’s team Pan American gold medal. “There's so many more dreams in this little body of mine,” Chiles told journalists after receiving her gold medal. “It was really cool to be the flagbearer, then coming out here to win gold with an amazing team.”The main rival for Chiles, Kayla DiCello, Zoe Miller, Kaliya Lincoln and Tiana Sumanasekera was Brazil's team led by Rebeca Andrade, an Olympic gold medalist and also a friend of Biles'.“Knowing I am the veteran, I trust these younger ones,” Chiles added. “They are not that much younger than me, so being able just to see their progress and do what they did ... I wouldn't change this team for anything.” The Brazilians scored 161.564 points. Andrade sat out the floor exercise to spare her knees, and her teammates made mistakes in the uneven bars that distanced them from the U.S. team. Canada finished with the bronze medal with a distant 154.230 points.Chiles topped the all-round chart with 54.666 points, 0.101 ahead of 2021 world all-around bronze medalist DiCello.The 22-year-old American is competing in Chile as she weighs competing in the Paris Olympics or returning for her junior year at the University of California.Possibly the biggest star competing in Chile, the 24-year-old Andrade is Brazil’s most decorated gymnast in history and is competing at the Pan American Games for the first time. She will be Chiles' rival again in individual finals. “Jordan is a complete gymnast, very experienced and talented,” Andrade said. “And this is a great scenario to do well. It is a bit like the Olympics although it isn't the Olympics. When you see all the flags out in the athletes' village you start thinking about it.”The U.S. and Brazil are expected to once again battle for medals in women's gymnastics in Paris.Earlier this month, Andrade defeated Biles to take the vault gold at the world championship in Antwerp. She won two medals at the Tokyo Olympics three years ago: gold in the vault competition and silver in the all-round individual. She has nine medals in world championships, including three golds. After beating Biles, the U.S. gymnastics federation published a picture of Andrade and Biles side by side in its social media channels. “Many more battles still to come,” the message said.This Sunday, Andrade's battle ended with Chiles as the winner. Her U.S. teammates said they will do whatever the veteran wants to celebrate the gold medal in Santiago. But she has a different idea.“I think it is time to go to sleep,” Chiles said. “This is not finished.”___AP sports: https://apnews.com/sports。
C | 据报道，这只名叫“乔治”的夏威夷树蜗牛于今年1月1日死亡，享年14岁。14年来，“乔治”没有找到配偶，“乔治”的死意味着我们目睹了另一个物种的灭绝。夏威夷树蜗牛最明显的特征之一是蜗牛壳顶部的金黄色区域。该物种最初分布在夏威夷群岛的瓦胡岛上。它在夏威夷的繁荣时期非常丰富。1995年以后，夏威夷蜗牛在外来蜗牛的入侵下几乎灭绝。维基百科的图片显示，人口减少的主要原因之一是“玫瑰卷”（玫瑰橡实蜗牛），一种中等大小的蜗牛，属于橡实蜗牛属，原产于美国。本种是捕食其他蜗牛的食肉动物。玫瑰卷之所以被引进，是因为它想控制入侵非洲蜗牛的数量，但没有考虑。夏威夷蜗牛濒临灭绝。这就是为什么夏威夷至少有8种当地蜗牛灭绝的原因。1997年，最后10只蜗牛被送到夏威夷大学的实验室进行人工繁殖，但最终，除了乔治以外，所有的蜗牛都死了。在此之前，国际自然保护联盟（IUCN）已将该物种列为极度濒危物种。据了解，科学家们已经提取出“乔治”身体组织用于制冷，期待有一天“复活”乔治。一些灭绝物种（百科全书）：1681年的渡渡鸟灭绝；1768年的海牛灭绝；1800年的恐怖鸟类和蓝马羚羊灭绝；1844年的海鸟灭绝；1875年的南极狼灭绝（生活在地球最南端的犬科动物）；1880年的美国缅因州黄鼠狼灭绝；1880年的牙买加仓鼠灭绝（关于区域性灭绝；3年内灭绝；1890年澳大利亚兔子灭绝；1900年昆士兰毛鼻袋熊区域性灭绝；1900年圣诞岛虎头鼠灭绝；1901年艾米旱獭灭绝；1902年澳大利亚白足旱獭灭绝；1903年加利福尼亚南部猫和狐狸灭绝。利福尼亚；1910年西部袋鼠灭绝；东部袋鼠灭绝；1911年白狼绝对灭绝（唯一的纯白狼）；1918年卡罗莱纳鹦鹉灭绝（北美鸽子）；1914年（十亿不到一个世纪）；1915年基奈山狼灭绝（最大的狼亚种）；佛罗里达黑狼1917年灭绝的狼；1920年灭绝的新墨西哥狼；1922年灭绝的野蛮狮；1922年灭绝的中国犀牛（区域灭绝）；1926年澳大利亚海豚脚袋鼠灭绝；1927年澳大利亚袋鼠灭绝；1930年澳大利亚大兔袋鼠灭绝；灭绝1930年的新南威尔士白袋鼠；1937年的巴厘虎灭绝（最小的虎亚种）；1948年的印度亚洲猎豹灭绝（区域灭绝）；1950年的喀斯喀特棕狼灭绝；墨西哥灰熊绝对灭绝；1970年的德克萨斯红狼灭绝；台湾云豹灭绝1983年；1987年危地马拉鹦鹉灭绝；1997年左右欧亚貂灭绝。
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