My brother______ a computer. [ ]
A. have
B. has
C. doesn't has
D. don't have
答案:B
在制定广告预算时要考虑的特定的因素有()。
A.产品生命周期阶段
B.市场份额和消费者基础
C.竞争与干扰
D.广告频率
E.产品替代性