The speaker suggests ostrich farms are profitable because____
Shona says that in her questionnaire her aim was____.
Hamlet ______ by Shakespeare.
以下哪种情况不能视作为船舶的保安薄弱环节?
MRK Consulting Ltd has been operating in the global market since 1988. We havesuccessfullyplaced hundreds of IT & Banking professionalsin leading companies inthe Finance, Banking and IT industries.
港口设施系指()。①由缔约国政府或由指定当局确定的发生船/港界面活动的场所;②锚地;③候泊区;④进港航道等区域。
各部门和各企事业组织上报统计资料,审核、签署人是()。
标准状态下测定某汽车尾气中CO含量为2.8mg/m3,若用ppm表示,则 CO含量为()ppm 。
用酸性溶液冲洗阴道可提高疗效是一述哪项()
下列哪项不是船舶保安员的职责?