单项选择题
A.5% B.8% C.10% D.15%
A.0.5%~1% B.0.5%~2% C.1%~2.5% D.1.5%~2%
A.1 B.3 C.5 D.6
A.过失责任事故 B.自然灾害 C.火灾 D.意外伤亡
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