A．The literary world, the art circles, social science-economics.
B．History and geography, science and technology.
C．Species and animal knowledgeable sketches.
D．Selected readings in newspapers and periodicals, culture and education, words and sentences, translation exercises, etc.

A．hold a more splendid royal ball
B．admit the staff to use of the mobile phones when they are on duty
C．follow the ban of mobile phones at royal dinners
D．get rid of the old budgie