【单选题】The Ship Security Alert must not be sent to other ships in the vicinity,but be sent to a competent authority ashore
A.
The Alert must be sent to other ships,and to a competent authority ashore
B.
The Alert must be sent to other ships,but not be sent to a competent authority ashore
C.
The Alert must not be sent to other ships and not competent authority ashore
D.
The Alert must not be sent to other ships,but be sent to a competent authority ashore
【单选题】()不属于尖轨与基本轨不密贴产生的原因。
B.
基本轨工作边及尖轨非工作边有“肥边”造成假密贴
D.
尖轨跟端轨缝过大,间隔铁和夹板磨耗,螺栓松动,过车时加大了冲击
【单选题】A good story does not necessarily have to have a happy ending, but the reader must not be left .
【单选题】尖轨、可动心轨(),轮缘有爬上尖轨、可动心轨的危险时,该道岔不能使用。
【单选题】It is suggested that the students __ to read the bad books.
【简答题】Consignee information,if shown,must not be inconsistent with the consignee information in the transport document.However,if a credit requires a transport document to be issued“to order”.“to the order ...
【单选题】A good story does not necessarily have to have a happy ending, but the reader must not be left . [ ]