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单项选择题
A.periodically
B.monthly
C.quarterly
D.yearly
单项选择题
A.Embarkationandlaunchingarrangementsshallbesuchthattherescueboatcanbeboardedandlaunchedintheshortestpossibletime
B.Launchingshallbepossibleatship’sheadwayspeedupto5knotsincalmweather
C.Rapidrecoveryshallbepossiblewiththeboatsfullcomplimentofpersonsandequipmen
D.ThereleasemechanismshallbeofanautomatictypeapprovedbytheAdministration
单项选择题
A.周年日前后三个月内,年度
B.周年日前后三个月内,中间
C.第二和第三个周年日之间,年度
D.第二和第三个周年日之间,中间
单项选择题
A.900,760
B.850,760
C.850,750
D.900,750