The controlling depth of the river is().
A. the minimum depth of the river prescribed in the channel maintenance program
B. the edge of a dredged channel
C. the highest level to which the river may rise without flooding
D. the least available water in a channel which limits the draft of boats and tow
李某是注册登记的妇产科医师。李某应一朋友请求,在李某家中为其做了人流手术。对于以不正当手段取得医师执业证书的应当()
A. 由发给证书的卫生行政部门予以吊销
B. 由县级以上地方人民政府卫生行政部门给予警告
C. 处5000元以下的罚款
D. 处1万元以下的罚款
E. 以上均不正确