单选题
1分
The rules concerning lights shall be complied with in all weathers from sunset to sunrise The lights...
The rules concerning lights shall be complied with in all weathers from sunset to sunrise The lights________
参考答案: A
参考解析: 规则有关的号灯规定应在任何天气中从日落到日出被遵守。号灯在能见度不良的白天也应被显示。