答案:610、26
A. 0.02%
B. 0.03%
C. 0.06%
D. 0.1%
A. 正确
B. 错误
A. 3
B. 5
C. 7
D. 10
A. 1.0%,0.5%
B. 0.5%,0.5%
C. 1.0%,1.0%
D. 0.5%,1.0%