D.它们减少每天吃食物的数量。根据文章第一段第一句:“Inordertogetreadyforhibernation, bearseatevenmorethanusual, pilingonthepoundstosurvivethelongcoldwinter. (为了准备冬眠,熊吃得比平常更多,增加体重以度过漫长寒冷的冬天。)”可知,熊通过吃增加它们的重量来准备冬眠。结合选项,故此题答案为C。
They are in hibernation (冬眠) 【小题5】 In winter they eat nothing. They're very hungry when they wake up in spring. They usually look for food in March or April. Bears, snakes and frogs are such animals. Winter is cold in northern countries, but animals are smart...
Some animals hide during the winter.Their body temperature and heart rate slow down. This helps them to save their energy. They do not eat.They live off their fat. They do not wake up until the weather gets warmer. We call this hibernation(冬眠). Snacks, frogs, and bears hibernate in ...
While they may be less active, and "den up" during the winter they are still frequently active, and wake up easily. As suchIn some cases (especially Black Bears) they may enter a torpor like state. While this is fairly distinct from the kind of hibernation exhibited by most smaller ...
Many animals are in a dormant state during winter.在冬天许多动物都处于睡眠状态。 This dormant volcano suddenly fired up.这座休眠火山突然爆发了。 23hibernation n.冬眠 参考例句: Bears wake up in the spring after a winter of hibernation.熊经过一个冬天的冬眠后在春季苏醒。
Torpor is also needed for female bears to tend to their young. Female bears usually give birth during hibernation. The female bear might have to wake up in between to care for her cubs. Female bears usually give birth during hibernation. (Photo Credit: Sergey Uryadnikov/Shutterstock) ...
Bears usually sleep in winter. What do we call this kind of sleep? A. hibernation B. siesta C. nap D. rest 相关知识点: 试题来源: 解析 A。解析:熊在冬天通常会冬眠,hibernation 是冬眠的意思;siesta 是午睡;nap 是小睡;rest 是休息。
In spring, the grizzly bears wake up from hibernation and, hungry, head to Glendale Cove to graze on nutrient-rich sedge grasses at the edge of the estuary. At low tide, the bears feed on crabs and mussels on exposed inlet beaches too. ...
Some species don't enter a true state of hibernation, entering instead a period of extended sleep and lowered body metabolism that they can wake up from with relative ease if required. Some species of animals like the North American tree frog are able to freeze solid during cold weather due...
winter don't let sleep stop them from giving birth.Pregnant bears in the wildhave been recorded doing exactly that, with their heart rates increasing throughout the pregnancy and spiking during birth. After the cubs are born, the mama bear's heart returns to normal, and the hibernation ...