【单选题】which of the following ships may not complying with the SOLAS Convention?
A.
Passenger ships sailing on international waters but less than 300 tons
B.
Passenger ships sailing on international waters
C.
Cargo ships of 300 gross tonnage and upwards
D.
Cargo ships less than 300 gross tonnage
【单选题】Some ships have special duties, such as()(驳船).
【单选题】Ships with priority inspection for PSCO do not include_______.
A.
ships visiting the port for the first time
B.
vulnerable types of ships
C.
ships with previous records of detention
D.
ships with satisfied data records
【多选题】电阻器的主要单位是欧姆,下列是电阻器单位的是( )
【单选题】甲醛、丁醛、丙酮、苯乙酮亲核加成反应活性次序是( )
【简答题】2-42 十六进制数AB.CH对应的十进制数字是__________。
【多选题】下列关于链路状态路由算法描述正确的是( )
【多选题】电阻器的主要单位是欧姆,下列是电阻器单位的是( )
【单选题】LNG and LPG ships ___.
B.
cannot compete with container ships
C.
often operate on long-term contracts