問題詳情
【題組】19 According to the author, humans invented different time-keeping instruments in order to .
(A) wake up a person on time
(B) measure time in equal units
(C) make good use of time
(D) emphasize the importance of time
參考答案
答案：B
難度：簡單0.743516
統計：A(12),B(258),C(39),D(22),E(0)