（）means rudder to be held in the force

1、Midships refers to rudder to be held（）

Midships refers to rudder to be held（）.Ain position to starboardBin position to portCin position to anywhereDin position fore and aft

2、The forced draught fan should be start

The forced draught fan should be started and air passed through the furnace for several minutes to “（）” it of any exhaust gas or oil vapors.AblowBcleanCscavengeDpurge

3、In the presence of external forces，the

In the presence of external forces，the center of buoyancy of an inclined vessel is vertically aligned with the（）.Acenter of gravityBmetacenterCcenter of flotationDkeel

4、Ease the rudder means to（）.

Ease the rudder means to（）.Adecrease the rudder angleBmove the rudder slowly in the direction of the most recent rudder commandCbring the rudder amidshipsDsteer the course which is your present heading

5、Winds expected to（）Storm Force 10 in s

Winds expected to（）Storm Force 10 in south-east semicircle later up to 300 miles from the center of the tropical cyclone.AgetBachieveCattainDreach

6、Many（）shops will be forced to close if

Many（）shops will be forced to close if the new supermarket is built.AgeneralBlocalCbroadDpublic