問題詳情
【題組】54. What can you do to avoid the problems of blue light?
(A) Go hiking on a bright sunny day.
(B) Read as many books as possible.
(C) Try to sleep for eight hours every day.
(D) Use your phone right before going to bed.
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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