企业通过数据挖掘，跟踪消费者行为，实现定向营销，可以任意使用消费者信息。
查看答案
实验法并不象观察或访问法一样经常在营销调研中使用。
A. 对
B. 错
The Black Death first started in .
Asia
B. Africa
C. Europe
D. America
The Black Death had swept through Europe decimating over one third of the population.
A. 对
B. 错
At the meeting with Wat Tyler, Richard III gave in to all of the demands and asked that they go home in peace.
A. 对
B. 错
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