When it is very cold, bears hibernate. What are bears NOT doing when they hibernate? A. They are sleeping. B. They are eating. C. They are moving. D. They are breathing. 相关知识点: 试题来源: 解析 C。解析:冬眠时,熊在睡觉、呼吸但不会移动和进食。A 选项睡觉是冬眠的主要特征;D 选项...
Snakes, frogs and bears hibernate in winter.Many animals stay active in winter and adapt to (适应) the cold weather. Some animals save food in summer and autumn and eat it in winter. This is what squirrels do. Other animals make changes in their bodies or behavior (...
Animals can hibernate for part or all of the winter. It’s hard for them to find things to eat. When they go to sleep, they don’t need much food. Bears, hedgehogs (刺猬) and chipmunks (花栗鼠) go to sleep in their homes. Frogs(青蛙) and snakes hibernate, to...
given in the passage.Why should you keep exercising even when cold temperatures make you want to hide under the covers? With the temperatures dropping at this time of year, many of us tend to hibernate (冬眠) inside our homes. But, hibernating is for bears. As humans it’s important to...
When winter left us, only three quarters of the year when no place to winter swimming polar bear, bears can not hibernate, squirrels do not store food in winter, penguins complaining about human selfishness. This is caused by global warming, and the consequences, is that we human beings do...
Do you know how animals spend their winter?The biggest problem for most animals inwinter is finding enough food.If an animal can not find enough insects or green plants and so on,it will choose to hibernate.This deep sleep helps them to save energy, and live through the winter with little...
Animals can hibernate for part or all of the winter. It's hard for them to find things to eat. When they go to sleep, they don't need much food. Bears, hedgehogs (刺猬) and chipmunks (花栗鼠) go to sleep in their homes. Frogs and snakes hibernate, too. Frogs move into the ea...