A stay is（）.

1、A wildcat is a（）.

A wildcat is a（）.Adeeply-grooved drum on the windlass with sprockets which engage the links of the anchor chainBwinch that is running out of...

2、A sheave is a（）.

A sheave is a（）.Agrooved wheel in a blockBline to hold a lifeboat next to the embarkation deckCpartial load of grainDsesman's knife

3、A“chock” is a（）.

A“chock” is a（）.Adeck fitting used to secure mooring linesBcasting fitted at the side of a weather deck，used as a fairleadCsharp block of wood used to support hygroscopic cargoDsmoke pipe for the galley stove

4、We have stayed at Shanghai port for a

We have stayed at Shanghai port for a long timeThe fouling on the ship’s hull greatly increases her _____.ApowerBspeedCresistanceDthrust force

5、A spanner is a（）.

A spanner is a（）.Across connection line between two main fire linesBspecial wrench for the couplings in a fire hose lineCtackle rigged to support a fire hoseDnone of the above

6、It is（）that we could only stay there f

It is（）that we could only stay there for three weeks.AsadnessBsadlyCsadDsaddened