1047.You need to dress warmly when you play in the snow.And to get around in deep snow,you might need snowshoes. Animals need winter coats and snowshoes too. A musk ox(麝牛) wears two coats in winter.(1)
It keeps the inner coat of soft fur warm and dry.The furry undercoat falls off each spring and the ox grows a new one every winter. A snowshoe rabbit changes its coat to match the season.(2)
In winter it grows white fur to match the snow.It even has fur on the bottoms of its feet. (3)
A seal(海豹) has an extra layer under its fur coat too.This thick layer of fat lies under the seal's skin and is great at holding in heat,especially in the water. The Arctic fox has fur on the bottoms of its feet and one of the warmest double coats of any animal.But on very cold and windy days,it adds something.(4)
A polar bear's big feet act like snowshoes.(5)
The bottom of each foot is protected by fur and the fur helps the bear walk on the snowy ground.
A.It can run very quickly. B.Do you wear a sweater under your coat? C.They can move quickly across the snow. D.The outer coat reaches almost to the ground. E.It uses its thick tail like a scarf to cover its nose and face. F.In summer its brown fur helps it hide among dirt and rocks. G.They spread out the bear's weight so it can walk easily on the snow.