Questions 11 to 18 are based on the conversation you have just heard.

A．Provide a place for computer artists to show their work.
B．Sell the art works more easily.
C．Save space of museums for other purposes.
D．Provide more fun for the artists.

A．Enforcing laws controlling navigation, shipping, immigration and fishing.
B．Enforcing taws affecting the privately-owned boats in the U. S.
C．Searching for missing boats and rescuing people.
D．Training people to be good swimmers along the beach.