题目内容：
回答题The Family
The structure of a family takes different forms around the world and even in the same society. The family's form changes as it adapts to __41__ (change) social and economic influences. Until recently, the most common form in North America was the nuclear ramie, __42__(consist) of a married couple with their minor children. The nuclear family is an __43__ (depend) unit. It must be prepared to fend for itself. Individuaily members __44__ (strong) depend on one another. There is little help from outside family in emergencies. Elderly __45__ (relative) of a nuclear family are cared for only if it is possible for the family to do so. In North America the __46__ (elder)often do not live with the family they live in __47__ (retire）communities and nursing homes.
There are many parallels between the nuclear family in __48__(industry) societies, such as North America, and of families in socie ties such as that of the Inuits, who live in harsh environments. The nuclear family structure is well __49__ (adapt) to a life of mobility. In harsh conditions, mobility allows the family to hunt for food. For North Americans,the hunt for jobs and __50__(improve) social status also re uires mobilit．
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