2. 外语
  3. As most parents of small children will reluctantly admit, nothing can occupy a child quite like television.【C1】______,the scient

As most parents of small children will reluctantly admit, nothing can occupy a child quite like television.【C1】______,the scient

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问题     As most parents of small children will reluctantly admit, nothing can occupy a child quite like television.【C1】______,the scientific evidence suggests that using the television as a babysitter has its【C2】______: the more time babies spend sitting in front of the screen, the more their social, cognitive and language development may【C3】______. Recent studies show that TV-viewing【C4】______to decrease babies’likelihood of learning new words, talking, playing and【C5】______interacting with others.
    A new study published Monday adds to that【C6】______while introducing an interesting new perspective. Many studies have suggested that television blocks learning by【C7】______youngsters’ability to interact with others, and according to Dr. Dimitri Christakis, a University of Washington pediatrician(小儿科医生), that effect may be compounded when parents get【C8】______into TV-watching too.
    Christakis reports that when babies get caught up with what’s playing on television,their parents are【C9】______likely to get distracted,which【C10】______their exchanges with their kids. It’s a three-way interaction,【C11】______TV affecting both children and their parents, and the parents’ distraction【C12】______impairing their children. Christakis’ group even calculated exactly the’ degree to Which TV-viewing can【C13】______parent-child communication: for every hour a television was turned on, babies heard 770【C14】______words from an adult. Conversational exchanges between baby and parent dropped 15%,【C15】______did the overall number of vocalizations(发声)made by children.
    Christakis argues that【C16】______what is playing on the screen, television【C17】______nature is a passive medium that hampers rich social interaction.【C18】______when parents and children interacted actively while watching TV together, the【C19】______effect of having it turned on was a(n)【C20】______in vocalizations.
【C17】
选项 A、by
B、in
C、for
D、as
答案A
解析 考查词组的辨析。所选介词要与nature一起在句子中作状语，by nature“天生地；本质上”；前面有regardless of，说明此处指的是不论播放的是什么节目，电视都会阻碍丰富多彩的社交活动，它本质上是一种消极的媒介，所以by nature意思上最符合。in nature“事实上；在性质上”，for和as都不能接nature组成独立的词组。
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大学英语四级

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