577.____ the differences in colors,languages and races,we share the charm and joy of the Olympic Games,and together we seek for the ideal of mankind for peace.
A.Though
B.Because of
C.In spite of
D.In addition to
578.The new tax policy only affects people on yearly incomes over 120,000 _____ the very rich.
A.by the way
B.as a result
C.in other words
D.as a matter of