Vessels must navigate（）caution in this

1、Vessels carrying（）must not willfully w

Vessels carrying（）must not willfully wash decks or holds.Ageneral cargoBsteel productsCharmful cargoDmachinery

2、Vessels must （） pilot at waiting ancho

Vessels must （） pilot at waiting anchorage．AwaitBwait forCbe waitedDbe waited for

3、Vessels transiting the canal must have

Vessels transiting the canal must have their accommodation ladders and cargo booms（）.AremovedBrigged inCreadjustedDtested

4、You must（）in this area unless you have

You must（）in this area unless you have messages about the casualty.Akeep radio silenceBkeep radio silentCkeep radio be silentDkeep silent the radio

5、You must put the（）cargo this side, if

You must put the（）cargo this side, if any, and let me know later.AdamagedBdamageCdamaging

6、Vessels are warned（）in this area.

Vessels are warned（）in this area.Ato not anchorBto anchor notCnot to anchorDnot anchor to