During counterflooding to correct a severe list aggravated by an off-center load，your vessel suddenly takes a list or trim to the opposite side. You should（）.

You are on a container vessel. What concerning the handling and stowage of containerized hazardous materials is TRUE?（）.

Cargoes that might leak from containers are known as（）.

In the case of the leading marks，the master may（）to show these in the bill of lading if the goods or their containers are not clearly marked in such a manner as should ordinarily remain legible until the end of the voyage.

When arranging cargo for（）in the holds，we should give first consideration to ship’s seaworthiness and her being in a good sea-going trim after loading.

You are on a containership. The cargo includes a container of small arms ammunition，a container of lead-acid storage batteries and bottles of methyl acetylene. Which statement is TRUE?（）.

The development of the container system（）.

When loading containers into the cell guides in the hold of a container ship，which statement is TRUE?（）.

When loading a container vessel，the operation is basically that of vertical loading. The important factors to be considered when loading containers are port of discharge，（）.

Which factor does NOT affect the required freeboard of a cargo vessel? （）