問題詳情
【題組】25.Combines and self-binding reapers weresimilar because each
(A) could perform more than one function
(B) required relatively little power to operate
(C) was utilized mainly in California
(D) required two people to operate
參考答案
答案：A
難度：適中0.666667
統計：A(2),B(0),C(1),D(0),E(0)