根据题意得:
3-x≥0x-1≠0,
解得:x≤3且x≠1.
故选D.
-I haven’t seen the film Pirates of the Caribbean: On stranger Tides.
-___________.
A.Neither have I
B.So have I
C.Neither I have
D.So I have
()是积极主动通过动态创新营销手段,激发顾客潜在需求。
A.价格营销
B.传统营销
C.创业营销
D.一对一营销