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The fire which threatened part of the business district this morning ____________(现在已被
The fire which threatened part of the business district this morning ____________(现在已被控制住了).
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The fire which threatened part of the business district this morning ____________(现在已被控制住了).
Which statements about the garbage collection are true?
A.The program developer must create a thread to be responsible for free the memory.
B.The garbage collection will check for and free memory no longer needed.
C.The garbage collection allow the program developer to explicity and immediately freethe memory
D.The garbage collection can free the memory used java object at expect time.
Which floor of the building did the fire destroy?
The ______ of the building.
Which is more important for the burning of a fire?
A.Pure oxygen.
B.Air.
C.Coal.
D.Wood.
A.Moon
B.Fire
C.Forrest
D.Sun
If ignited, which of the listed materials would be a class "B" fire?
A.Magnesium
B.Paper
C.Wood
D.Diesel Oil
If there is no other way to save a()person in a tall building on fire, fire fighters may spread a net into which the person can jump.
A、volt
B、wrapped
C、trapped
D、deserted
A.Dry chemical
B.Halon
C.Low velocity fog
D.Steam
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