8 Studies show that daylight ________ in the morning tends to lead to better sleep at night.
(A) disclosure
(B) exposure
(C) pleasure
(D) pressure
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統計: A(31), B(173), C(40), D(35), E(0) #3462107
統計: A(31), B(173), C(40), D(35), E(0) #3462107