Arctic fox(北极狐) is a kind of small fox that lives in the Arctic. It grows about 50 centimeters long, not including its tail, 30 centimeters tall and weighs from 3 to 7 kilos.
The Arctic foxes are white or blue in color. The white ones are white in winter, but grey-brown in summer. The blue ones are blue-grey all year round. The Arctic foxes have long, thick hair that is called fur. And the long fur covers their whole bodies, including both their cat eyes and rabbit feet, to keep them warm in the low temperature in the Arctic.
The Arctic foxes feed mainly on birds, birds’ eggs and other small animals. Teamwork is the way they look for food, and they don’t like to do that alone.
Baby Arctic foxes are very lovely. They don’t open their eyes until a week after their birth. For the first half of the year, their parents offer them food. They begin to look for food on their own when they are about six months old. The next year they can live alone.
Today, the number of the Arctic foxes is being smaller and smaller, because people kill them for their fur to make beautiful coats for money. Something must be done to protect the Arctic foxes.
【小题1】Not all the Arctic foxes change their colors in different seasons.
【小题2】 The Arctic foxes have rabbit eyes and cat feet.
【小题3】 Baby Arctic foxes are born with their eyes open.
【小题4】 Birds, birds’ eggs and other small animals are the main food for the Arctic foxes.
【小题5】 According to the passage, there are more Arctic foxes now.A
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(答案→)A
解析：
【小题1】属于细节题，根据文章第二段前两句可知符合。
【小题2】属于细节题，根据第二段倒数第二行可知符合。
【小题3】属于细节题，根据倒数第二段第二句可知不符合，They don’t open their eyes until a week after their birth。
【小题4】属于细节题，根据第三段第一句可知符合。
【小题5】属于细节题，根据最后一段第一句可知是越来越少了，所以不符合。