問題詳情

41. What does “This” in the first paragraph refer to?
(A) Flickering light is a nuisance.
(B) Light flashes can deliver messages.
(C) The brain can be affected by lighting.
(D) Human eyes can perceive changes in light.

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)

內容推薦