题目内容

【单选题】有一辆车以速度10m/s的速度匀速行驶，车上有r人以速度1m/s向车后行走，则人相对地面的速度为（）。

A. 11m/s
B. 10m/s
C. 9m/s
D. 1m/s

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稳定的南风风速v1=3米每秒，某人向西快跑，速率v2=4米每秒。此人感受到的风速大小及风向分别为（）

A. 25，西南风
B. 5，西南风
C. 25，东南风
D. 5，东南风

With ________, the seller identifies market segments, selects one or more, and develops products and services tailored to each selected segment.

A. Differentiation marketing
B. Target marketing
C. Product-variety marketing
D. Mass marketing

Which of the following is a psychographic segmentation variable?

Age
B. Social class
C. Income
D. Gender

Evaluating each segment's attractiveness and selecting one or more of the market segments. is one of the major steps in the target marketing process, which is called:

A. Market targeting
B. Market evaluating
C. Market positioning
D. Market segmentation