体内锰的主要排出途径是（）。
A.泌尿系统
B.唾液腺
C.汗腺
D.消化道
E.乳腺
参考答案：D
The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed _____
my memory. [ ]
A. to
B. over
C. by
D. on
红白玫瑰战争
