从疾病监测的角度，常规传染病报告属于：
A．主动监测
B．被动监测
C．哨点监测
D．主动与被动监测
E．主动与哨点监测
参考答案：B
A．Education programs are not so effective as required.
B．Drug treatment programs are insufficiently funded.
C．Some rehabilitation programs inside prisons have been stopped.
D．More people are convicted than prison space can accommodate.
火法炼锌（蒸馏法）
