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

游客2023-09-05 59

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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