题目内容

牛奶是常见的W/O型乳浊液。

A. 对
B. 错

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在溶胶电泳实验中，胶粒恒向电场的正极一方移动。

A. 对
B. 错

When cash cows lose their appeal and move towards deterioration, then a ___________ policy may be pursued.

A. retrenchment
B. reduction
C. absence
D. paucity

The ________ department furnishes information on customer characteristics, sales transactions, and website visits.

A. customer service
B. sales
C. accounting
D. marketing

Promotional mix includes activities like:

A. public relations
B. advertising.
C. sales promotion
D. personal selling