An inflatable life raft is thrown into the water from a sinking vessel。 What occurs automatically after the painter trips the CO2 bottles to inflate the raft?( ) A: A. The sea anchor deploys   B: B. The floor inflates C: C. If upside down, the craft rights itself D: D. The painter detaches from the raft

When a davit-launched raft is lowered from a ship，upon becoming waterborne，the raft is released by（）. A: activating the release lock of the hook B: pulling smartly on the knobbed cocking lanyard C: the effects of buoyancy removing the weight of the raft from the hook D: releasing the boarding flap and the bowsing line

The single turn method of returning to a man overboard should be used only if _________.

The difference between a free floating exchange rate and a managed floating exchange rate is A: under managed float government intervention plays a role in determining the exchange rate. B: free floating exchange rates can only appreciate or depreciate by 5 units per day. C: the equilibrium exchange rate is always higher for managed float rates. D: all of the above

In the novel, the life on the river and the life on the land form a sharp contrast. Huck and Jim’s life on the raft is_____. A: Peaceful and free B: Adventurous and dark C: Boisterous and idyllic D: Disgusting and tiring