When you hoist national flag, you should hoist it in （）place.
You should keep national flag（飘扬）____.A.flewB.flownC.flyingD.flies
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A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral "4" when the vessel ______.A.speed begins to dropB.stopsC.receives ice damageD.becomes icebound
Take down Flag “G” and（）(升) Flag “H”.A、raiseB、lowerC、riseD、hoist
It shows mourning when you lower（）(半旗).A、half-mastB、dip the mastC、flag lineD、flag mast
We should hoist national flag（）（按时）.A、on timeB、in timeC、soonD、at times
When we meet a（军舰）（）, we should lower national flag.A、warshipB、boatC、container shipD、bulk carrier
If we have a pilot on board , we should take down （） and hoist （） .（）A、flag H ； flag GB、flag G； flag HC、flag H ； flag QD、flag G； flag Q
