更多"Certain requirements must currently"的相关试题:
[单项选择]Certain cargoes must be segregated because of their（）.
A. inherent characteristics
B. weight
C. destination
D. danger to humans
[单项选择]在一个工作簿中有三张工作表SH1、SH2、SH3，要使SH3的A1单元格的值为SH1的B2与SH2的B3的和，在SH3的A1单元格输入的公式是（）。
A. =SH1B2+SH2!B3
B. =B2+B3
C. =SH1!B2+SH2!B3
D. =SH（1!B2+2!B3）
[单项选择]Regulations require certain records to be retained on board for at least 3 months after a ship is involved in a casualty or until advised that they are no longer needed on board by the （）.
A. owner
B. Master
C. person in charge
D. Officer in Charge，Marine Inspection
[单项选择]大肠杆菌A菌株（met-bio-thr+leu+）和B菌株（met+bio+thr-leu-）在U型管实验培养后出现了野生型（met+bio+thr+leu+），证明了这种野生型的出现可能属于（）
A. 接合
B. 转化
C. 性导
D. 都不是
[单项选择]下列组成的两种细菌混在一起了：thr﹣leu﹣arg﹣met﹢和thr﹢leu﹢arg﹢met﹣，经过一定时间，将混合体置于基本培养基上，在基本培养基上生长出来的重组菌落的基因型是（）
A. thr﹢leu﹣arg﹢met﹣
B. thr﹣leu﹣arg﹣met﹢
C. thr﹣leu﹢arg﹢met﹣
D. thr﹢leu﹢arg﹢met﹢
[单项选择]Keeping certain crgoes separated because of the their inherent characteristics is known a（）.
A. overstowage
B. segregation
C. spot loading
D. cargo typing
[单项选择]Before a magnetic compass is adjusted certain correctors must be checked to ensure that they are free of permanent magnetism. These correctors are the（）.
A. fore-and-aft and athwartships magnets
B. dip needle and heeling magnet
C. heeling magnet and Flinders bar
D. Flinders bar and quadrantal spheres
[单项选择]However, reception of certain types of MSI messages, such as shore to ship distress alerts and navigational and meteorological warning are（）.
A. selective and can be suppressed by ships
B. mandatory and can not be suppressed by ships in the affected area
C. not very important so that ships don‟t require them
D. received by all ships wherever they are
[单项选择]Certain dangerous goods are required “to be stowed in a mechanically ventilated space”. When such goods are carried in a closed Ro/Ro cargo space or a special category space，this space should（）.
A. be mechanically operated
B. be temperature controlled
C. be mechanically ventilated
D. not allow to run its refrigeration or heating equipment
[单项选择]Stable equilibrium for a vessel means that the metacenter is（）.
A. at a lower level than the baseline
B. on the longitudinal centerline
C. higher than the center of gravity
D. at amidships
[单项选择]Most of the exceptions commonly met with have been（）of judicial decisions delimiting their scopes.
A. the subject
B. the project
C. the inject
D. the deject
[单项选择]12sh—9A中sh表示（）
A. 单级
B. 双级
C. 单吸
D. 双吸
[单项选择]Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）
A. Vessel's type
B. Vessel's course
C. Navigational status
D. All of the above
[单项选择]Your ship must（）.
A. Reduce speed
B. Increase speed
C. Change speed
D. Stop engine
[单项选择]The atmosphere（）certain gases mixed together in definite proportions.
A. composes of
B. is made up
C. consists of
D. makesup of
[单项选择]By the stowage factor, when given a certain volume of space, we know（）.
A. the space of the ship
B. the space of one hold
C. what kind of cargo can be stowed
D. how much cargo can be stowed
