In some places, visitors are ______ from smoking and drinking, otherwise they'll ______ punished. [ ]

A. encouraged; be

B. required; get

C. forbidden; go

D. kept; become

重力式码头墙后吹填时，为及时发现和防止码头产生过大变形，应对（）进行观测。

A.吹填的高度

B.排水口的流量

C.码头的位移

D.码头的沉降

E.码头前后水位