Chinese is spoken by the()number of people in the world.
A、smallest
B、most
C、largest
D、wide
A、smallest
B、most
C、largest
D、wide
A、Require a demonstration by the officer and the crew member B、Require a written test C、Require that an interpreter be provided D、All of the above
A、A continuous sounding with any fog signal apparatus B、A signal sent by radiotelephone consisting of the spoken word Mayday C、An International Code Signal of N.C D、The firing of green star rockets or shells