42. What is the main idea of the third paragraph?
(A) The process of how the new light equipment works.
(B) The explanations of SAD treatments and their effects.
(C) The developments of the new treatment for severe sufferers.
(D) The symptom differences between mild and severe SAD sufferers.
詳解 (共 2 筆)
未解鎖
隨著北歐冬天的臨近，白天越來越短，而夜晚...
未解鎖
(A) 新照明設備的工作過程。 (B) ...
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