2. 外语
  3. The passage is chiefly about ______. Which of the following is true about the U.S. Navy underwater listening network?

The passage is chiefly about ______. Which of the following is true about the U.S. Navy underwater listening network?

admin2009-04-23  91
问题 The passage is chiefly about ______.
Which of the following is true about the U.S. Navy underwater listening network?
选项 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B、It has been replaced by a more advanced system.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.
答案A
解析 根据第三段首句话中“…just opening to civilian scientists after the cold war…”，通过以上分析，我们可以断定“该系统目前只是部分地向民用开放”，由此可知A为正确答案。
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