The required portable radio shall be stored in the proper location and be ______．A.Equippe

A.They had it repaired for $ 112.

B.They moved it out to their new hous

C.They got a color portabl

D.They bought a new on

E.

______ is not required by bridge-to-bridge communications．

A.VHF

B.SART

C.NAVTEX

D.LES

' Make your contribution as informative as required (for the current purpose of the exchange).' belongs to the maxim of quality.()

During an annual FCC inspection ______．

A.All required documents and publications may have to be produced

B.Licensed GMDSS radio operators may be required to demonstrate equipment competencies

C.All required equipment must be fully operational

D.All of the above

The director required that every member in his department ______ to his report．

A．refer B．referred C．has referred D．refers

Space limitation simply required that hard decisions ______ ．(make)

If a certification is required on the commercial invoice

(1) where a signed invoice is required by the credit, the certification ( ) must/( ) (need not) be separately signed.

(2) where a signed invoice is not required by the credit, the certification or invoice ( ) must/( ) (need not) be signed and dated.