单项选择题

Control of fire should be addressed（）.

A.immediately after restoring vital services
B.immediately
C.following control of flooding
D.following establishment of fire boundaries

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单项选择题

Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called the（）.

A.prevailing westerlies
B.horse latitudes
C.trade winds
D.subpolar low pressure belts

单项选择题

Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit?（）

A.Weather side
B.Leeward side
C.Upwind side
D.Crosswind side

单项选择题

Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）

A.When at anchor，the pilot vessel is only required to sound anchor signals
B.The identification signal must be sounded any time the pilot vessel is underway
C.The pilot vessel may only sound the identity signal when making way
D.All of the above