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【单选题】
After working for a roofing contractor for ten years, Cameron Gomez finally established his own operation. Unfortunately, Cameron’s first six months have been disappointing. He decided to conduct a marketing research study to gather preliminary data to shed light on the nature of the problem and suggest some new ideas. He needs to conduct __________ research.A.
exploratory
B.
causal
C.
secondary
D.
descriptive
E.
observational
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举一反三
【简答题】简述“5S”活动的内涵。(考点：教材第101页)
【判断题】The charm of conversation is that there is no idea and real meaning in it.
A.
正确
B.
错误
【简答题】推行5S活动的目的和作用?