选择题：平均利润的形成是( )A.部门之间竞争的结果B.部门内部各个企业之间竞争的结果 C.资本

共用题干 Family HistoryIn an age when technology is developing faster than ever before,many people are being ______(1)to the idea of looking back into the past.One way they can do this is by investigating their own family history.They can try to______(2) out

当整数a赋值给一个object对象时,整数a将会被?

权义结构

It was a fascinating painting with clever use of color and light.A:new B:familiar C:large D:wonderful

类成员有_____种可访问形式?