31 The flood warning system needs to be______ established to save thousands of lives. (A) minimally

問題詳情

31 The flood warning system needs to be______ established to save thousands of lives.
(A) minimally
(B) optimally
(C) improperly
(D) optionally

參考答案

答案：B

統計：A:3,B:8,C:5,D:1,E:0

難度：計算中

上一篇 : 30 ______protocols must be followed when decontaminating an area affected by a chemical spill. (A) G
下一篇 : 32 Particular programs such as rescue operations in high mountains require______ navigation skills f