When mother entered the bed room, litt

1、3． When I came into the room，he preten

3． When I came into the room，he pretended ________ his homework．A to doB be doingC doingD to be doing

2、When the engine room is put in standby

When the engine room is put in standby condition, the engineer in charge of the watch need not to（）Aensure all machinery which may be used...

3、When you enter the interface command a

When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network,how does the Cisco Catalyst switch detect ...

4、If you must enter a room or compartmen

If you must enter a room or compartment to combat the fire, keep an escape path （）.AopenBcloseCopensDclose

5、When the vessel entering the dock, the

When the vessel entering the dock, the first work that engineer should contact with the shipyard （）Areleasing the boiler waterBthe explosion d...

6、When the ship is going to enter into t

When the ship is going to enter into the harbor,（）Achange from heavy fuel oil to diesel oil for mail engineBpumping oil bilge waterCchange sea chest form high level one to lower oneDtest emergency generator