![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
海因里希法则()起隐患或违章,非常可能要发生29起轻伤或故障,另外还有1起重伤、死亡事故
A.300
B.280
C.290
D.250
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
D、250
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.300
B.280
C.290
D.250
D、250
A.1,29,300,1000
B.1,30,300,1000
C.1,29,500,1000
A.1、100、1000
B.1、299、999
C.29、300、1000
D.30、299、999
A.1∶29∶300
B.1∶10∶300
C.1∶10∶100
D.1∶100∶500