(10分)Do you know some animals hibernate (冬眠) in winter? Bears,snakes, frogs and some other animals spend the winter in a state like deep sleep. In autumn, the bear eats and eats and becomes very fat. Its hair grows longer. In late autumn, it finds a warm place and goes to ...
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...
In which season do animals like bears often hibernate? A. Spring B. Summer C. Autumn D. Winter 相关知识点: 试题来源: 解析 D。解析:在冬季,一些动物如熊会冬眠,因为冬季食物短缺,通过冬眠来度过寒冷且食物匮乏的时期。春季动物苏醒,夏季动物活跃地觅食等,秋季动物为冬眠做准备。
Some animals hibernate(冬眠) all winter. This is a deep 4 . Bears hibernate in dens(兽穴). Frogs hibernate at the bottom of 5 . The water does not freeze there. Bats hibernate in caves 6 upside down. Many animals 7 active in winter. Rabbits grow new thicker fur to ...
Bears like to sleep in winter. What do we call this? A. Run. B. Play. C. Hibernate. 相关知识点: 试题来源: 解析 C。解析:熊在冬天喜欢睡觉,这种行为叫冬眠,hibernate 是冬眠的意思。A 选项 run 是跑,B 选项 play 是玩,都不符合熊冬天睡觉的习性。
A) Bears hibernate during winter, butaren't sleeping the whole time. Hibernation for bears simply means they don't need to eat or drink, and rarely urinate or defecate (or not at all). ... In the colder, northern parts of Alaska, bears hibernate about 7 months of the year. ...
While there are too dark and coldest nights in the arctic regions, grizzly bears are nowhere to be seen as they hibernate inside their dens. However, polar bears do come out on the sea ice endeavoring to find out food for their survival. Hibernation is a usual adaptation employed by severa...
Bear hibernation is part of a bear's annual cycle of activity, when its metabolic systems change and activity pauses for a period of time varying with the habitat's climate. Grizzly bears hibernate for 5–7 months each year.
Some bears hibernate in hollowed-out tree trunks. Some take a months-long rest beneath thick brambles and brush. Others dig into the hills to forge snug dens. And still others discover caves to hide away from the biting winter chill. ...
阅读理解. Alaskan black bears hibernate for up to seven months a year, during which time they do not eat or drink, before waking up in virtually the same physical state they fell asleep in. Now experts hope to develop methods of putting humans into a s