Paragraph OneA study says men can have just as strong a bond with their child as mothers. In the study, the brains of parents were scanned while they watched videos of their interactions with children. Fathers who were raising a child by themselves were found to have a similar emotional response. This meant they were performing both roles of mother and father.Fathers can also establish an intimate t_____ with their child.
【正确答案】：tie
【题目解析】：tie：关系；联系；纽带；友情；血缘关系。本段讲的是父亲和母亲一样可以和孩子建立很亲密的关系。
