根据Unlike many other animals bears do not actually hibernate(冬眠). Although the bear does not eat during the winter months its temperature remains almost normal and it breathes regularly four or five times per minute. 美国黑熊的冬眠方式很特别。选A。 考点:科普类文章 解析 暂无解析 扫码下载...
答案68.A 细节理解题,根据第一段Alaskan black bears hibernate for up to seven months a year可知阿拉斯加黑熊每年冬眠七个月.故选A.69.D 主旨大意题,通读全文可知本文主要向我们介绍了如今专家正在开发使人类进入类似冬眠的方法,使宇航员可以像熊一样冬眠,故选D.70.C 细节理解题,根据倒数第二...
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 similar stat
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
由此可知,题干中,如果海冰上没有海豹,北极熊可能没有食物可吃,表述正确,故填T。(3)F.根据文中第三段Unlike brown and black bears,polar bears do not hibernate during the winter.Only female polar bears will go into a "little house" and stay for a long time if they are ...
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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 similar state which could help astronauts survive...
9.Do you know anything about Alaskan black bears?They 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 similar state whi...
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 similar state which could help astronauts survive...
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 similar state which could help astronauts survive...