You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.

A . immediately jump in the water to help the individual B . call for help and keep the individual in sight C . run to the radio room to send an emergency message D . go to the control room for the distress flare

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 . only the sternlight of the vessel B . a sidelight and one masthead light of the vessel C . only a sidelight of the vessel D . any lights except the masthead lights of the vessel

A . head-on situation B . end-situation C . crossing situation D . close-quaters situatio

A . haven't seen B . didn't see C . hadn't seen D . don't see

A . Yes, I'd love to. B . Do it, please C . No, you like it? D . How do you do?

A . one sidelight B . one sidelight and a masthead light C . one sidelight and two masthead lights D . both sidelights of a vessel and her masthead light(s)

A . a basket B . a black ball C . a black cone D . two black cone

A . immediately jump in the water to help the individual B . call for help and keep the individual in sight C . run to the radio room to send an emergency message D . go to the control room for the distress flare

A . Proceed on present course and speed since the vessel is requesting a pilot B . Attempt to call the vessel on VHF radiotelephone and begin a search because the vessel has a man overboard C . Attempt to call the vessel on VHF radiotelephone because it is disabled D . Approach with caution because the vessel is stopped and making no way through the water

A . vessel towing astern B . barge pushed ahead C . vessel towing astern only when the length of her tow exceeds 200 meters D . this signal does not exist in international water

A . Only the stern light of the vessel B . One sidelight and a masthead light of the vessel C . Only a sidelight of the vessel D . The masthead lights of the vessel

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、cross the channel as you are the stand-on vessel B、cross only if the vessel in the channel is approaching on your port side C、not cross the channel if you might impede the other vessel D、sound the danger signal

A . one sidelight and the masthead light are visible B . the vessels will pass closer than half a mile C . both vessels sound one prolonged blast D . both sidelights and masthead light(s) are visible

A . Can always rely on a buoy to be on station B . Can always rely on a buoy to show proper light characteristics C . Should assume a wreck buoy is directly over the wreck D . Should never rely on a floating aid to maintain its exact positio

A . keeping the fuel tanks topped off B . increasing the free surface effect C . keeping the fuel tanks at least half MI D . keeping at least one fuel tank empty for slo

A . You are the stand-on vessel B . Risk of collision exists C . A special circumstances situation exists D . The other vessel is dead in the water

The girl in blue hat is Lucy. The girl in red coat is Lily. And the girl in green shirt is Beth. The boy is Jim. They are the same age. I think they are in the same class. Lucy's pencils are on the desk. Lily's book is on the teacher's desk. You can't see the teacher. Where's the teacher？ He is behind the door. This is a picture of a girl. A．True B．False

A．I’d really like to, but I can’t． B．It’ s a waste of time C．Yeah,I’ll go to hospital this afternoon． D．It’s next to the bus station．

A．can B．must C．dare D．would