决定产业竞争强度的竞争力量有()
A.潜在替代产品的开发
B.供应商议价力量
C.购买者议价力量
D.潜在新竞争者的进入
E.企业间竞争
参考答案:A, B, C, D, E
__, they went on working.
A.As it was late
B.Late as it was
C.Like it was late
D.Like it was late
将发缕折叠,弯曲或弄成圆圈状,并加以固定形成弯曲式,这种方法是属于()的手法。
A.发环
B.打削
C.卷筒
D.盘包