,the more expensive the camera,the better its quality. [ ]

A.General speaking

B.Speaking general

C.Generally speaking

D.Speaking generally

在自然疫源地和可能是自然疫源地的地区兴办的大型建设项目开工前，建设单位应当申请当地卫生防疫机构对施工环境进行

A．环保调查

B．卫生调查

C．卫生资源调查

D．环境资源调查

E．危害因素调查