2. 外语
  3. A network of miniature toxin detectors has been ______ in 30 American cities for the sake of bio-security.

A network of miniature toxin detectors has been ______ in 30 American cities for the sake of bio-security.

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问题 A network of miniature toxin detectors has been ______ in 30 American cities for the sake of bio-security.
选项 A、deployed
B、committed
C、indulged
D、immersed
答案A
解析 deploy：部署；commit：犯(罪或错误)，派兵，be committed to：致力于，对……承诺或有义务；be indulged in：沉迷于；be immersed in：浸泡在，专心于(相当于be absorbed in)
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