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Howdobirdsstaywarm...
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...
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 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. ...
How do Penguins Keep Warm?Science of the Cold 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...
【题目】Winterisverycoldinmanycountries.It’seasyforyouandmetokeepwarm.Ifwearecold,wecanjustbuyawarmcoatoruseaheaterandwewillfeelbetter.Butwhataboutanimals?Howdotheykeepwarminwinter? Someanimalsmigrate(迁移).Thismeanstheytraveltoplaceswheretheweatheriswarmer.Manybirdsleavebeforethewinterstarts.Theyflyingroups...
The trip can be dangerous,so some animals travel in large groups.Other kinds of birds fly alone. Some animals keep active in winter.They must fit the changing weather.(2) F To keep warm,animals may grow thicker fur in autumn. Some animals begin to collect their winter food in autumn....
Ⅱ.五选五阅读How do animals live in the cold winter?11.__ E_ Some of them “ migrate"(迁徙).This means they travel to other places where the weather is warmer or they can find food.Many birds migrate in autumn. Some fly in large groups, because the trip can be dangerous.12. C ...
Of course they do! Here are a few ways that animals cool off in the summer. Fur Too Hot For Summer Some animals have a thick coat of fur. It keeps them warm in the winter. The fur traps in heat. It holds th...
Some animals remain and stay active in the winter. They must adapt to the changing weather. Many make changes in their behavior or bodies. To keep warm, animals may grow new, thicker fur in the fall. On weasels and snowshoe rabbits, the new fur is white to help them hide in the snow...