2. 外语
  3. The installation of radar is supposed to keep track of airlines in the __________.

The installation of radar is supposed to keep track of airlines in the __________.

admin2012-05-18  72
问题 The installation of radar is supposed to keep track of airlines in the __________.
选项 A、velocity
B、proximity
C、terrain
D、vicinity
答案D
解析 安装雷达是为了监测在周围出现的飞机。本题是考查名词的词义。velocity“速度，速率”；proximity“接近，临近”；terrain“地形，地貌；地势”；in the vicinity是一个固定词组，意为“在周围，在附近”。
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大学英语六级

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