問題詳情

【題組】67. What is the shortest safe distance from the whales?
(A). 400 metres.
(B). 300 metres.
(C). 200 metres.
(D). 100 metres.

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)