单项选择题
| As most parents of small children will reluctantly
admit, nothing can occupy a child quite like television. (67)
,the scientific evidence suggests that using the television as a
babysitter has its (68) : the more time babies spend sitting
in front of the screen, the more their social, cognitive and language
development may (69) . Recent studies show that TV-viewing
(70) to decrease babies’likelihood of learning new words,
talking, playing and (71) interacting with others.
A new study published Monday adds to that (72) while introducing an interesting new perspective. Many studies have suggested that television blocks learning by (73) 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 (74) into TV-watching too. Christakis reports that when babies get caught up with what’s playing on television,their parents are (75) likely to get distracted,which (76) their exchanges with their kids. It’s a three-way interaction, (77) TV affecting both children and their parents, and the parents’ distraction (78) impairing their children. Christakis’ group even calculated exactly the’ degree to Which TV-viewing can (79) parent-child communication: for every hour a television was turned on, babies heard 770 (80) words from an adult. Conversational exchanges between baby and parent dropped 15%, (81) did the overall number of vocalizations(发声) made by children. Christakis argues that (82) what is playing on the screen, television (83) nature is a passive medium that hampers rich social interaction. (84) when parents and children interacted actively while watching TV together, the (85) effect of having it turned on was a(n) (86) in vocalizations. |