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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.
【C1】
A.Naturally
B.Unfortunately
C.Reluctantly
D.Remarkably