清点酒水时,特别贵重的瓶装酒要精确到0.1瓶。()
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教学方法常常被看做是教学策略的集中体现和行为表现。()
AdeveloperchoosestoavoidusingSingleThreadModelbutwantstoensurethatdataisupdatedinathread-safemanner.Whichtwocansupportthisdesigngoal?()
A. Storethedatainavocalvariable.
B. Storethedatainaninstancevariable.
C. StorethedataintheHttpSessionobject.
D. StorethedataintheServletContextobject.
E. StorethedataintheServletRequestobject.