单选题Which of the following is true about the U.S. Navy underwater listening net-work?AIt is now partly accessible to civilian scientists.BIt has been replaced by a more advanced system.CIt became useless to the military after the cold war.DIt is indispensable in protecting endangered species.
单选题
Which of the following is true about the U.S. Navy underwater listening net-work?
A
It is now partly accessible to civilian scientists.
B
It has been replaced by a more advanced system.
C
It became useless to the military after the cold war.
D
It is indispensable in protecting endangered species.
参考解析
解析：
细节题。美国海军水下声控系统部分地应用于民用科学家，故选A项。
细节题。美国海军水下声控系统部分地应用于民用科学家，故选A项。
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