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  3. Crying and waking up in the middle of night are routine during any newborn’s first few months. But if those crying episodes c

Crying and waking up in the middle of night are routine during any newborn’s first few months. But if those crying episodes c

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问题     Crying and waking up in the middle of night are routine during any newborn’s first few months. But if those  crying  episodes  continue  on a regular【C1】________past the first year, then they may signal possible behavioral problems【C2】________.
    That’s what researchers in Europe found when they【C3】________nearly two dozen studies on something developmental experts call regulatory problems—which include trouble sleeping, continuous crying and difficulty feeding. The researchers【C4】________in the journal Archives of Disease in Childhood that infants who consistently cry and wake up at night past their third month are nearly twice as likely to【C5】________problems such as attention deficit hyperactivity disorder (ADHD), depression, anxiety, aggressive behavior or【C6】________disorders by the time they begin school. The most【C7】________behavioral difficulties these children had involved【C8】________of self-control, and an inability to calm themselves down or act【C9】________in different social situations.
    How exactly are【C10】________crying jags and picky eating during infancy【C11】________later behavioral problems? Dieter Wolke, one of the study co-authors and a professor of developmental psychology at University of Warwick in England, says the data don’t support any【C12】________link, but there are several possibilities. One, the crying and waking up at night are simply the first signs of behavioral problems that the babies can not【C13】________themselves very well. Every baby wakes up several times a night and may start crying, but most will eventually learn to calm themselves down and【C14】________back to sleep. They learn that enough is enough and inevitably【C15】________that Mom and Dad won’t come running every time they cry. If babies are already【C16】________to contracting a behavioral disorder,【C17】________, they may not be able to learn such self-control, and their crying episodes may continue well past their first year.
    【C18】________, says Wolke, some infants may be genetically susceptible to problems regulating their behavior; specifically, scientists have recently identified a version of a【C19】________concerning  dopamine  function,  which governs mood and emotions as well as motor function, that may make some infants more【C20】________to behavioral problems.
【C11】
选项 A、responded to
B、habituated to
C、used to
D、related to
答案D
解析 本句承前讨论哭闹的表现与行为障碍的关系。空格前的“婴儿时期的啼哭和挑食行为”和空格后的“以后的行为障碍”提示填入的动词要能使它们联系起来，故选D项related to“使……相互关联”。A项responded to“对……作出反应”，代入句中意思是“哭闹和挑食对障碍行为作出反应”，不合逻辑。B项(be)habituated to“习惯于……”，C项(be)used to“习惯于……”，主语应该是人，而不是“哭闹和挑食行为”。
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