如果一国潜在GDP小于实际GDP,可能意味着()
A.经济增长过快
B.存在通货膨胀
C.资源被过度利用
D.失业增加
E.GDP缺口为负
参考答案:A, B, C
In it were photos of all the actors of our show, _____ signed by each performer.
A.frequently
B.lonely
C.personally
D.actually
管制图最主要用途为查觉制程有无变异产生()