The dangerous semicircle of a typhoon in the Southern Hemisphere is that area（）.
1、The navigable semicircle of a tropical
The navigable semicircle of a tropical storm in the South Indian Ocean is located on which side of the storm’s track? （）ARearBFrontCLeftDRight
2、0ne of the principal dangers inherent
0ne of the principal dangers inherent in liquified petroleum gas is（）.Aas it warms up it becomes heavier than airBthe way it reacts with sea waterCthe strong odor it producesDits low temperature causes frostbite or freezing
3、There is a danger of the starting curr
There is a danger of the starting current that the windings are burnt out（）Ato increaseBto be so increasedCincreasedDbeing so increased
4、A tug may be in danger of tripping whe
A tug may be in danger of tripping when（）.Atowed sideways by an overwhelming force on the towlineBher tow moves parallel to and forward on either side of the tugCthe tow is no longer directly astern but moves up on her quarterDAll of the above
5、The purpose of the flywheel of a diese
The purpose of the flywheel of a diesel engine is to （）.Acounterbalance the crank throws on the crankshaftBkeep the engine running smoothly b...
6、（）there danger of explosion?
（）there danger of explosion?AIsBHasCIfDDo