2. 外语
  3. Children have been said to have brain-injured child syndrome, hyperactive(极度活跃的)child syndrome and attention-deficit disorder(AD

Children have been said to have brain-injured child syndrome, hyperactive(极度活跃的)child syndrome and attention-deficit disorder(AD

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问题 Children have been said to have brain-injured child syndrome, hyperactive(极度活跃的)child syndrome and attention-deficit disorder(ADD). As early as the 1940’s, psychiatrists have【B1】children with hyperactivity and extremely distracted and impulsive(冲动的). These frequent name changes show how【B2】researchers are about the causes【B3】the problem and the diagnostic criteria for the disorders. In the past several years, the people who【B4】attention deficit hyperactivity disorder(ADH@D)@have【B5】to clarify the disorder’s causes and【B6】, and have reasons to believe that it may be genetic. Today’s view【B7】this disorder is very different from the beliefs of just a few years ago. Researchers are finding that ADHD is not a disorder of just attention, but is from a developmental【B8】in the brain’s circuitry and self-control. The loss of self-control【B9】other important brain functions mandatory for maintaining【B10】. ADHD involves two sets of symptoms: inattention and a【B11】of hyperactive and impulsive behaviors. Most children are more active and distractive than adults are. Children are more inconsistent, affected by brief actions. The younger the child, the less【B12】they are. This behavior is a【B13】of a problem when it is displayed more in them than in their【B14】. Boys are at least three times more【B15】than girls to have ADHD. Studies have found that ADHD in boys outnumbers girls 9 to 1, this is because boys are genetically likely to【B16】disorders in the nervous system. These behaviors generally【B17】between the ages of 3 and 5.【B18】, some children don’t start to develop the disorder until【B19】childhood or early adolescence. Researchers are unable to find the reasons for this【B20】.
选项 A、labeled
B、treated
C、regarded
D、handled
答案A
解析 动词辨义题[考频：50]。这篇短文讲的是儿童的多动症和注意力分散。用排除法选出A)label“用标签归类或命名”符合句意。这句的意思是“早在40年代，精神病学家就把这样的儿童归为多动症或极度注意力分散或易冲动”，这里是指把儿童所有的这些问题进行归类命名。treated“治疗”；regarded“看待，当作”；handled“处理”。
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大学英语四级

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