How should you signal the crane operator to stop?（）.

A . Immediately use all the signals at once B . Use all the signals during the first night C . Employ a signal every hour after abandoning ship until they are gone D . Use them only when you are aware of a ship or plane in the area

A . start the fire pump B . go to your man overboard station C . go to your lifeboat station D . stand by for collisio

A . One B . Two C . Three D . Four

A . Proceed on present course and speed since the vessel is stopped and making no way through the water B . Keep clear of the vessel because it has a diver down C . Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance D . Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstructio

A . Place both fists in front of the body with the thumbs pointing outward each other B . Clasp hands in front of your body C . Extend arm with the palm down and and hold this position rigidly D . Extend arm with the thumb pointing up, and flex the finger s in and out

A . ring buoys are thrown overboard B . engines are stopped C . fire pumps are started D . life preservers have been issued to everyone

A . Extend arm with the palm down and and hold this position rigidly B . Place both fists in front of the body with the thumbs pointing outward each other C . Clasp hands in front of you body D . Extend arm with the thumb pointing up, and flex the finger s in and out for as long as the load movement is desired

A . Extend arm and point finger in the direction to move the boom B . Extend arm with the thumb pointing downward and flex fingers in and out C . With f rearm vertical and forefinger pointing up,move hand in small horizond circles D . With arm extended downwards and forefinger pointing down,move hand in small horizontal circle

A . fire a green star to the left B . send the letter K by light and point to the left C . place an orange signal to your left as you signal with a white light D . send the code signal S followed by L

A . Extend arm with the thumb pointing up and flex the fingers in and out B . Place both fists in front of the body with the thumbs pointing upward C . With forearm vertical and forefinger pointing up,move hand in small horizond circles D . Extend arm with the fingers closed and thumb upward

A .  One B .  Two C .  Three D .  Four

A . Starting with a dash and extending radially outward from the target B . As a broken line from center of PPI to the target C . Starting with a dot and extending radially inward from the target D . Starting with a dash and extending to the right of the target

A . start the fire pump to charge the fire main B . standby the main console and await orders from the engineer on watch C . go to your fire station D . go to your lifeboat statio

A . Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargo B . Attempt to call the vessel on VHF radiotelephone because she is requesting to communicate C . Approach the vessel with caution because she is dragging her anchor D . Proceed on present course and speed since the vessel is requesting a tug

A . Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa B . Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired C . First tap your elbow with one hand and then proceed to use regular signals D . First tap the top of your head with your fist and then proceed to use regular signal

A . start the fire pump B . go to your man overboard station C . go to your lifeboat station D . collision statio

A . Small sips at regular intervals during the day B . The complete daily ration at one time during the day C . One-third the daily ration three times daily D . Small sips only after sunset

A . With foremarm vertical and forefinfer pointing up ,move hand in small horizonal circles B . With arm ertended downwards and forefinger pointing down,move hand in small horizontal crecles C . Extend arm with fingers closed and thumb pointing upward D . Place both fists in front of the body with the thumbs pointing outward

A.Place both fists in front of your body with thumbs pointing toward each other B.Clasp hands in front of your body C.Extend arm with the palm down and hold this position rigidly D.Extend arm with the thumb pointing up, and flex the fingers in and out

A．Follow me,please B．There is a table for you now． C．Sorry to have kept you waiting for so long, sir． D．One table is available now, come h E．

A．30 seconds B．15 seconds C．20 seconds D．60 seconds