【海豹与北极熊 Seals and Polar Bears】幼海豹坎坷成长路!12天需断奶数周内会游泳,还得躲避北极熊!俄罗斯的北极区此时白雪皑皑冰层厚重,是海豹繁育的最佳时期。可嗷嗷待哺的幼海豹将要面对的却是无比残酷的现实:12天里增重3倍还要断奶;天敌北极熊在1公里之外就能闻到它们诱熊的奶香味!#海豹# #北极熊# #纪录...
aOracle data base Oracle数据库[translate] a在国外上学有很多好处 In overseas goes to school has very many advantage[translate] acontinue their ancient ways of catching whales ,polar bears and seals to feed villagers 继续捉住鲸鱼、北极熊和封印他们的古老方式喂养村民[translate]...
1.细节理解题.根据第一段第一句"seals spend most of their time under the ice so that they won't be caught by polar bears."可知海豹大部分时间都在冰下是为了他们不被北极熊抓到.故选D.2.细节理解题.根据第三段"And all that walking requires extra energy. Normally, a single bear eats 31 and...
2002. Polar bears and seals in the eastern Beaufort Sea and Amundsen Gulf: a synthesis of population trends and ecological relationships over three decades. - Arctic 55, Suppl. 1: 59-76.Stirling I (2002) Polar bears and seals in the eastern Beaufort Sea and Amundsen Gulf: a synthesis of ...
B. The food polar bears live on. C. The effect polar bears have on sea ice. D. The place polar bears are living in. (5) The passage is mainly about the relationship between . A. polar bears and the global warming B. a Canadian and a polar bear C. polar bears and seals D...
she focuses on sea-ice dependent animals such as Polar Bears and Ringed Seals at Arctic. She explains on how these animals are dependent upon the sea-ice for living. The Arctic is warming at a rate three times greater than the global average, and that the sea ice coverage is declining ra...
Polar bears live in the Arctic. They mainly eat seals. If the sea ice melts and seals are hard to find, what will polar bears do? A. Swim to the Antarctic to find seals. B. Change to eat fish only. C. Try to find other food on land like small animals. D. Wait for the ice ...
International Wildlife Law: SEALS AND POLAR BEARS 来自 Semantic Scholar 喜欢 0 阅读量: 18 作者:S Lyster,HRHP Philip 摘要: "The old grey music doctors of the ocean, their holy happy eyes shining devotion, applaud and blow in foam and soft commotion." (L.A.G. Strong, The Seals ) Seals...
根据第1段"Polar bears (北极熊) have thick fur and big paws,and they are well prepared for life in their hard environment."(北极熊有厚厚的皮毛和大爪子,它们为在艰苦的环境中生活做好了充分的准备。)可推知,北极熊生活在艰苦的环境中。故选C。(2)词义猜测题。根据第1段"However,globalwarming(全球...