Theirfeathers(羽毛)keeptheirbodieswarm.Thefeatherskeepthecoldwindout.Sometimesthebirdssitdownandcovertheirlegswiththeirfeathers.(1)Whatisthemainidea?A A. Featherskeepbirdswarminwinter. B. Birdslikethewinter. C. Manybirdsflysouth. 相关知识点: 试题来源: 解析 (1)主旨大意题。根据Howdobirdsstaywarmi...
1【题目】How Do They Keep Warm?企鹅冬天如何保暖?The Antarctic is far colder than our winter. It can be minus 40℃ with strong, coldwinds. But penguins almost never get a cold. Why is that?In winter the birds don't move much. This helps them save energy(能量).Penguins also have othe...
How do penguins survive and thrive in the coldest climates? Being warm blooded they must keep their body temperature constant.Be BigWarm blooded animals in cold climates are pretty large, even the smallest Antarctic birds are on the large side and the smallest Antarctic penguin, the Rockhopper is...
Man has invented ways to keep warm, but how do animals defend themselves They cannot reason in the sense that man can, but nature has taken care of the animal kingdom by providing animals with special instincts. One of these instincts is known as hibernation. "Sleeping like a dormouse" is...
How do amphibians move? How do amphibians absorb oxygen? Why are amphibians and reptiles cold-blooded? How did birds, reptiles, and amphibians survive the Ice Age? Do amphibians have a body temperature? Do amphibians have a constant body temperature?
Animals Keep Warm{{/B}} Man has invented ways to keep warm, but how do animals defend themselves They cannot reason in the sense that man can, but nature has taken care of the animal kingdom by providing animals with special instincts. One of these instincts is known as hibernation. "...
Dogs are great at panting. Cats pant, too. Even birds do it! Cold Water Feels Great On A Hot Day! Swimming is a lot of fun. It also cools you off. Jumping in cold water feels great on a hot day. Animals li...
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Do you understand the feeling of missing someone? It is just like that you will spend a long hard time to turn the ice-cold water you have drunk into tears.你知道思念一个人的滋味吗,就像喝了一大杯冰水,然后用很长很长的时间流成热泪。 Don’t waste your time on a man,who isn’t ...
How do the animals keep themselves warm? Moving from one place to another is a very good way. In autumn, we can see some birds fly far away from the North to the South for the coming winter. They know when winter comes and where to go, just like man. ...