A.40%
B.50%
C.60%
D.80%
A.40%
B.50%
C.60%
D.80%
A.20%
B.30%
C.40%
D.50%
A.3天
B.7天
C.10天
D.15天
A.28.100
B.31.470
C.32.297
D.47.200
A.40%;70%
B.50%;80%
C.60%;90%
D.70%;90%
A.14.558
B.14.387
C.14.323
D.13.515
A.10%
B.15%
C.20%
D.25%
A.6.166
B.6.721
C.6.906
D.7.191
A.29.939
B.32.737
C.39.962
D.47.014