問題詳情

37. The passage explains that the tears caused by blinking actually try to ____.
(A) show how sad you are
(B) wash away dirt or dust that gets into your eyes
(C) keep the eyes moving
(D) all of the above

參考答案

答案:B
難度:簡單0.777778
統計:A(0),B(7),C(0),D(2),E(0)

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