A．It is open for 24 hours every day except Sundays．
B．It is open during dinner time every weekday except vacation breaks．
C．It is open every day except Sundays and vacation breaks．
D．It is open every day except Sunday evenings and vacation breaks
A．A heaven for one to gain the most sophisticated knowledge．
B．A good place to meet friends and new people．
C．Some place where numerous delicious foods are served．
D．A place where a student can find part-time jobs in its cafeterias．
A．optimism
B．individualism
C．spirits of adventure
D．diligence
A．American individualism．
B．Personal values of Americans．
C．Americans' attitude toward privacy．
D．Professional vahles of Americans．