为收集新产品在市场供需资料,应采用()市场调查法。
A.面谈
B.信访
C.观察
D.试销
参考答案:D
Don’t refer to the dictionary every time you come across a new word as sometimes its meaning may be _______ clearly in a given context.
A.picked out
B.ruled out
C.brought out
D.taken out
菜点质量感官评定法有哪些基本的内容。