問題詳情
【題組】44.Lighting regulations in Flagstaff,Arizona are put into effect to
(A)Lessen the chance of getting cancer
(B)create an ideal observation condition
(C)ensure citizens a good sleep at night
(D)enable all creatures to live in harmony
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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