問題詳情
【題組】48. What did the study find about the effect of electricity on the test subjects?
(A) Sleep changes happened whether test subjects had access to electricity or not.
(B) Sleep changes were only observed in test subjects who had no access to electricity.
(C) More sleep changes happened to test subjects living in more populated areas.
(D) Fewer sleep changes were observed in test subjects who had no access to electricity.
參考答案
答案：A
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“Although the effect is more robust in communities without access to electricity, the effect is present in communities with electricity,” de la Iglesia said.