【判断题】If the demand for cigarettes decreases after the U.S. Surgeon General publicizes five new diseases associated with smoking, this is conclusive evidence that the demand for cigarettes is elastic.
【简答题】已有如下程序: public intece Foo{ int k=4; } 下面哪些语句可以替换Foo当中的语句? (4.0分)A. final int k=4; B. public int k=4; C. abstract int k=4; D. static int k=4; E. protected int k=4;