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  3. Many parents worry their child’s bad behavior is a result of their parenting mistakes, but new research suggests this may not be

Many parents worry their child’s bad behavior is a result of their parenting mistakes, but new research suggests this may not be

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问题     Many parents worry their child’s bad behavior is a result of their parenting mistakes, but new research suggests this may not be the case.
    A study found that some children are genetically predisposed to behavioral problems. The research shows that some children【B1】_____poor self-control and anger problems in a preschool setting because they have【B2】_____the traits from their parents.
    Researchers at Oregon State University believe genetics explain why some children【B3】_____ at preschool while others develop behavioral problems. Lead author, Dr. Shannon Lipscomb, said, "Assuming that findings like this are【B4】_____, we can stop worrying so much that all children will develop behavior problems at centre-based care【B5】_____, because it has been a concern. But some children may be better able to manage their behavior in a different【B6】_____, in a home or smaller group size."
    The researchers collected data from 233 families and found that parents who had high levels of negative emotion and poor self-control were more likely to have children who【B7】_____ behavioral issues. The researchers also studied adopted children and found a link between their birth parents’ characteristics and their behavior even though they had not been【B8】_____by them. "We aren’t recommending that children are genetically tested, but parents and caregivers can assess a child’s needs and help them get to a setting that might be more【B9】_____," Dr. Lipscomb said.
    The news comes shortly after a study from the University of Oxford【B10】_____that children who spend time in day care centres, or with child minders, are more likely to have behavioral problems, such as hyperacti vity(多动症).
【B4】
选项
答案replicated
解析 根据空格所在位置及句意可知，空格处应填入动词(词组)的过去分词形式构成被动语态。结合录音可填入replicated，意为“被复制”。
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