正确答案: D

消费调查

题目：市场调查的内容因不同企业的不同需要而异。在可行性研究阶段，市场调查的主要内容包括市场需求调查、市场供应调查、（ ）和竞争者调查。

解析：D

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学习资料的答案和解析：

[单选题]化学与生活密切相关。生活中的下列做法不合理的是

煤炉火上放一盆水，就能防止一氧化碳中毒

[单选题]BOne day Mrs Wilson went shopping with Tracy and Ben． They went to the supermarket in the new shopping centre．“Why do you buy things here? Tracy wanted to know． "Because they are cheaper here than at the corner store near our home，”Mrs Wilson said． "Help me check the prices， please． "The Wilsons were not rich and Mrs Wilson was always careful with her money． She looked carefully at the prices of things． She bought lots of things in the supermarket． When they got home， the children said， "We don-t think you saved money by going to the supermar-ket． ""Of course I did，"Mrs Wilson said． "Everything was cheaper there．"We know，"the children said， "but we came home by taxi because we had too much to carry． The taxi fare was more than the money that you saved! Well done，"she said． "Next time we'll do the shopping nearby．

more expensive

解析：26.C【解析】由第二段第二句可推断。