单项选择题X 纠错
A.1%
B.3%
C.5%
D.10%
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单项选择题
A.99.90%,99.96%
B.98.50%,99.00%
C.95.50%,97.50%
D.95.50%,99.00%
单项选择题
A.40%,50%,10%
B.40%,40%,20%
C.50%,30%,20%
D.30%,50%,20%
单项选择题
A.1%,50%
B.5%,70%
C.10%,100%
D.5%,100%