問題詳情

130.Those scientists are now carrying out some _______ on the language of dolphins. They want to find out how dolphins communicate with each other.
(A) rock
(B) research
(C) schedule
(D) Rumor

參考答案

答案：B
難度：非常簡單0.920705
統計：A(6),B(209),C(8),D(4),E(0)