C
Flags have existed for over 3000 years.The earliest flags were wooden or metal poles topped with a carving.About 2000 years ago pies of fabric were added to some poles for decoration.Over the next 500 years the free-flying part of the flag became more important.
Every country today has its own flag.Many groups and organizations also have a flag which stands for,or symbolizes,the aims of the group.
The flag depicts (描绘)a world map,centered on the north pole.The map is surrounded by an olive(橄榄)wreath(花环)symbolizing peace and co-operation.The flag is blue and white.
8.Flags have been in existence for _________.
A.500 years                     B.over 3000 years
C.about 2000 years              D.between 500 and 2000 years
9.A very old flag is likely to _________.
A.be made of fabric             B.have a map on it
C.have white shapes on it       D.be made of carved wood
10.An olive wreath is used to represent _________.
A.peace         B.purity        C.justice       D.equality