2. 外语
  3. Elephant, a very large animal with a long flexible nose to pick up things, live in layered societies. The basic family unit is f

Elephant, a very large animal with a long flexible nose to pick up things, live in layered societies. The basic family unit is f

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问题    Elephant, a very large animal with a long flexible nose to pick up things, live in layered societies. The basic family unit is formed of small groups of adult females, who are related to each other, and their young of both sexes. The females remain in their families for life. They’re highly social, but male elephants leave their families at about 14 years of age. They travel alone or gather round in small, loose groups with other males, occasionally joining a family on a temporary basis. When males are ready to mate, they wander widely, searching for receptive females.
   The family unit, on the other hand, often contains three generations, and it can remain stable for decades, or even centuries. Then each family associates with between one and five other families, probably consisting of their more distant relatives. Scientists call these groups of families"bond groups" , and bond groups belong, in turn, to even larger groups, called clans.
   So elephants have a complex social structure. And like other social animals they have to be able to communicate.  
How to understand " When males are ready to mate, they wander widely, searching for receptive females" in Paragraph 1?
选项 A、When a male elephant is ready to find a wife, he will look for a female elephant and form their own family unit.
B、When a male elephant is ready to find a wife, he will look for a female elephant which can accept him.
C、When a male elephant is ready to find a wife, he will look for a family which can stay forever.
D、Male elephants often form groups to search for female elephants to mate together.
答案B
解析 推理判断题。根据第一段The basic family unit is formed of small groups of adult females可知A项错误。根据The females remain in their families for life可知C项错误。D项内容文章没有提及。故选B项。
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