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34. What did the American Academy of Pediatrics recommend in 2014?
(A) Offer adolescents more classes in order to improve their academic performance.
(B) Make it mandatory for teens to take a break during the school lunch hour.
(C) Limit the amount of time teens spend using electronic devices.
(D) Delay the start of school so teens have more time to rest.
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統計： A(2), B(4), C(9), D(67), E(0) #3440494
統計： A(2), B(4), C(9), D(67), E(0) #3440494
