According to the passage which is the definition
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According to the passage,which is the definition of a nuclear family?
A..A nuclear family is a married couple with their minor children.
B. A nuclear family is a single father with minor children.
C. A nuclear family concludes parents,grandparents,and children.
D. A nuclear family concludes parents,children,and aunts and uncles.
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答案：A
细节题。题干意为“根据文章，哪个是核心家庭的定义？”。第一段的第三句话对于核心家庭进行了定义Until recently , the most common form in North American was the nu-clear family , consisting of a married couple with their minor children.该句意为“直到最近，北美洲最普遍的家庭形式为核心家庭，由一对夫妇和他们未成年的孩子构成”。由此可知A“核心家庭是由一对夫妇和他们未成年的孩子构成的家庭”是答案。