A-A+
What can be said about the experiments at Rock
问题详情
What can be said about the experiments at Rocky Mountain Arsenal？
A) They have no practical value in earthquake prevention.
B) They may have practical value in earthquake prevention.
C) They are certain to have practical value in earthquake prevention.
D) The article does not say anything about their practical value in earthquake prevention.
参考答案
正确答案：D
答案：D
[试题分析] 推断题。
[详细解答] 根据上一题，知道了研究experiments at Rocky Mountain Arsenal的意义，显然可判断：They may have practical value in earthquake prevention，因此，答案为B。
