Would you like _____________ water?[ ]
A. a pair of
B. a cup
C. a glass of
答案:C
根据BCG成长—份额矩阵,如何进行企业市场地位分析?
凡是以直素线为母线,相邻两条直素线能构成一()时(即两直素线()或())的曲面,都是可展表面。