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

游客2023-09-05  25

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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