The pioneers（）their journey after a sh

1、The three children looked after their

The three children looked after their sick mother______.A in returnB by turnC in turnD in return for

2、The stability which remains after a co

The stability which remains after a compartment is flooded is called（）.Aintact stabilityBinitial stabilityCimmersion stabilityDdamage stability

3、After a cold front passes，the barometr

After a cold front passes，the barometric pressure（）.Adrops，and the temperature dropsBdrops，and the temperature risesCrises，and the temperature dropsDrises，and the temperature rise

4、After using a Halon extinguisher，it sh

After using a Halon extinguisher，it should be（）.Aput back in service if more than 50% of the charge remainsBrepaintedCdiscardedDrecharged

5、After deploying the anchor，a permanent

After deploying the anchor，a permanent chain chaser is（）.Aremoved from the anchor chainBconnected to a buoy at the anchorCstripped back to the rig and securedDconnected to a buoy halfway down the chai

6、We have ample money for the journey.A

We have ample money for the journey.A, someAlittleBextraCenough