谁是阿拉斯加最胖的熊？Why would bears in Alaska try to become as fat as possible in winter? PAGE 2 ……

bears sleep for so long?Bears have to get fat so that they can hibernate (冬眠). Hibernation can last... healthy for the bears to get fat. If the bears don’t get fat enough, they could die (死亡) during ……

of their hunts are successful. Polar bears have 5 to 10 cm of fat under their skin (皮肤). ... of their hunts are successful. Polar bears have 5 to 10 cm of fat under their skin (皮肤).  ……

POLAR bears are fat (胖的) and cute in our eyes. But now they are boney (瘦骨嶙峋的). In this picture...变暖), the ice is getting smaller. There is less food for polar bears. Many bears run out of food ……

骨瘦如柴的北极熊Polar bears are fat and cute. But now they are boney (瘦骨嶙峋的). In this picture, a polar bear.... There is less food for polar bears. Many bears don’t have food to eat and some even (甚至) die. ……

冰雪世界里的北极熊On Oct 29, a group of Chinese scientists met five polar bears (北极熊) in the Arctic (北极). The big white bears are beautiful but fierce (凶猛的). It is dangerous to meet them in the wild (在野 ……

in Katmai National Park and Preserve, Alaska, US. Brown bears get fat to survive (存活) the long winter. Fat Bear Week celebrates this and the healthy ecosystem (生态系统) the bears live in. People like ……

Polar bears are left-handed. ……

. Fat Bear Week celebrates the strength of brown bears. People watch them online and choose (选择... winter, bears go into hibernation (冬眠). So, during late summer and fall, they eat a lot and get fat ……

bear could only survive on its own fat reserves (储备).The bears' populations have declined greatly...鸭蛋也许可以拯救北极熊。词数 312 建议阅读时间 4分钟 测试见7版POLAR bears could avoid extinction despite the fact that many ……

) and fat. The test results suggest that the key to the bears’ staying healthy is a kind of hormone (荷尔...解决肥胖问题或有新招。“FAT” is not a very pleasant word. No one likes to be called that because it’s usually ……

as six men.The fat (脂肪) in the polar bears’ skin is 10 cm thick. It keeps them warm.The fat...你想和北极熊做邻居吗？你想和北极熊做邻居吗？  Polar bears are ready to welcome you! China’s first Polar ……

increasingly difficult.Bears need to eat as much food as possible in the winter to make themselves fat enough...The thinning effect of warming up硕大的北极熊正日渐消瘦，因为全球变暖使它们的觅食变得举步维艰。POLAR bears are getting thinner ……

Polar bears are left-handed (左撇子). ……

Can you see a basket, a chick and two bears? ……