《中華人民共和國職業病防治法》知識競賽參考答案：
單選題
1-10? acbac? bdaab
11-20 dbcac? bddbd
21-30 ccaab? acbdb
31-40 bdccd? dbdab
41-50 bbaad? aaaad
多選題
1-5?? ABCD? ABCD ABCD? AB?? AC
6-10? ABC?? ABC? ACD? BC?? ABC
11-15 BCD?? ABC ?BCD?? BCD? ABCD
16-20 ABCD? ABC? ABC ? ABCD AD
21-25 ABCD? ABD? ABD? ABCD ABCD
26-30 AB??? ABC? ABCD? AB??? ?ABCD