You are using VHF channel 16 (156.8 MHz) or 2182 KHz. You need help but are not in danger. You should use the urgent signal ______.A.ASSISTANCE NEEDEDB.PAN-PANC.MAYDAYD.SECURITE

You are using VHF channel 16 (156.8 MHz) or 2182 KHz. You need help but are not in danger. You should use the urgent signal ______.

A.ASSISTANCE NEEDED

B.PAN-PAN

C.MAYDAY

D.SECURITE


相关考题:

甚高频16频道的工作频率为_____。A.500kHzB.406MHzC.156.8MHz

Your little girl is becoming very rude. You ________ scold her. A.mayB.canC.ought toD.need

May I take this book out of the reading room? No,you . You read it in here. ( )A. mightn’tB. won’tC. need’tD. mustn’t

He needs_______ (you) help.

You've got to __________ in yourself, or you'll never succeed. A.trustB.believeC.confirmD.help

I ________ help. I can do it myself. A.need toB.don’t needC.needn’tD.need

49.—What about some drinks?—__________.A. Help, yourselfB. Good ideaC. You're welcomeD. Me,too

在GMDSS中救生艇至少应配备_____。A.救生艇电台,手持式VHF双向无线电话(包括 16CH 及另1-2个VHF频道),SARTB.2182KHz收发信机,无线电测向仪,手持式VHF双向无线电话(包括 16CH及另1-2个VHF频道),SARTC.2182KHz收发信机,S-EPIRB,VHF双向无线电话(包括 16CH 及另1-2个 VHF频道) 和SARTD.手持VHF双向无线电话和SART

在GMDSS中,救生艇至少应配备_______A.救生艇电台、手提式VHF双向无线电话(包括16CH及1-2个VHF频道)、SARTB.2182KHz收发信机、无线电测向仪、手提式VHF双向无线电话(包括16CH及1-2个VHF频道)、SARTC.2182KHz收发信机、S-EPIRB、VHF双向无线电话(包括16CH及1-2个VHF频道)、SARTD.SART