Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?（）

In speaking activities, a speaker often tries to avoid using a difficult word or structure and chooses to use a simpler one. What learning strategy does the speaker use?

In speaking activities,a speaker often tries to avoid using a difficult word or structure and chooses to use a simpler one. What learning strategy does the speaker use?

During loading or discharging, the tallymen must make contact with（）on duty so as to solve problems in time.

During loading or discharging，the tallymen must make contact with（）on duty so as to solve problems in time.

（）is entitled to enter into，with a shipper，any agreement，stipulation，condition，reservation or exception as to the responsibility and liability of the carrier or the ship for the loss of or damage to，or in connection with，the custody and care and handling of the goods prior to the loading on，and subsequent to the discharge from，the ship on which the goods are carried by sea.

What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Chemical Tankers are generally referred to the cargo ships constructed or adapted and used for the carriage of（）.

（）refers to a word or expression that is prohibited by the “polite” society from general use.