阿摩線上測驗
11. Some researchers claim that the American Academy of Pediatrics’ recommendation
of a two-hour screen-time limit is an _____ concept: actively browsing pages on a
computer or tablet is way more brain-stimulating than vegging out in front of the
TV.
(A) proven
(B) cogent
(C) opponent
(D) outdated
答案：登入後查看
統計： A(9), B(5), C(6), D(47), E(0) #2734879
統計： A(9), B(5), C(6), D(47), E(0) #2734879
