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  3. The more time children spend watching television the poorer they perform academically, according to three studies published on M

The more time children spend watching television the poorer they perform academically, according to three studies published on M

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问题     The more time children spend watching television the poorer they perform academically, according to three studies published on Monday.【S1】______television viewing has been blamed for increasing rates of childhood obesity(肥胖)and for aggressive behavior, while its【S2】______on schooling have been inconclusive, researchers said.
    But studies published on the topic in this month’ s Archives of Pediatrics(小儿科)& Adolescent Medicine concluded television viewing【S3】______to have an adverse effect(反作用)on academic pursuits.  For【S4】______, children who had televisions in their bedrooms--and【S5】______watched more TV--scored lower on standardized tests than those who did not have sets in their rooms. In contrast, the study found having a home computer with【S6】______to the Internet resulted in comparatively higher test scores.
    "Consistently, those with a bedroom television but no【S7】______home computer had, on aver age, the lowest scores and those with home computer but no bedroom television had the highest scores," wrote study author Dina Borzekowski of Johns Hopkins University.
    The American Academy of Pediatrics has【S8】______parents to limit children’ s television viewing to no more than one to two hours per day--and to try to keep younger Children away from TV altogether.
    In two other studies published in the same journal, children who【S9】______watched television before the age of 3 ended up with lower test scores later on, and children and adolescents who watched more television were less【S10】______. to go on to finish high school or earn a college degree.

A)Inadequate                                           I)urged
B)available                                            J)Excessive
C)regularly                                            K)instance
D)therefore                                            L)reception
E)access                                               M)tended
F)likely                                               N)Ordinary
G)impact                                               O)Limitless
H)converted
【S4】
选项
答案K
解析 根据前一句和本句的逻辑关系(例证关系)可确定本句为举例说明，正确答案为K。
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