单项选择题 SOLAS公约要求航行于A3或A4海区的船舶,无线电设备维修配备方案应采用()。 A. 双套设备 B. 海上电子维修 C. 岸上电子维修 D. 双套设备、海上和岸上三种维修方案中的两种
单项选择题 如果别人邀请你周日上午去玩,你恰好不便去,你可以说: A、日曜日の午前はだめですよ。 B、日曜日の午前はちょっと。 C、日曜日の午前は無理です。 D、日曜日の午前は行きたくないですよ。
单项选择题 Which of the following statements is NOT true? A、The GDP of the Netherlands is about €1 trillion. B、The Netherlands spends some €1bn a year on maintenance of flood defences. C、Maintenance is cheaper than rebuilding after a disaster. D、Some far-right politicians in parliament didn't accept the budget plan for protection against the water.