問題詳情
【題組】Why was Kohoutek referred to as “the comet of the century?”
(A) It was thought to be extremely old.
(B) It passes the Earth once a century.
(C) Scientists predicted it would be very bright.
(D) Scientists have been tracking it for a century.
參考答案
答案：C
難度：適中0.588235
統計：A(10),B(7),C(40),D(5),E(0)