单选题Which statement concerning the operation of radar in fog is TRUE?（）ARadar ranges are less accurate in fogBNavigation buoys will always show up on radarCA sandy beach will show up clearer on radar than a rocky cliffDSmall wooden boats may not show up on radar
单选题
Which statement concerning the operation of radar in fog is TRUE?（）
A
Radar ranges are less accurate in fog
B
Navigation buoys will always show up on radar
C
A sandy beach will show up clearer on radar than a rocky cliff
D
Small wooden boats may not show up on radar
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