企业派出外销人员与消费者或用户直接见面,介绍企业产品并达到销售产品的目的的一种促销活动,叫()
A.广告促销
B.销售促进
C.人员促销
D.公共关系
参考答案:C
Professor Smith,along with his assistants, on the project day and night to meet the deadline.
A.work
B.working
C.is working
D.are working
床上洗头法