問題詳情
【題組】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)