Question 3 is based on the conversation you have just heard.

They are intensive studies of people’s spending habits.

They examine relations between producers and customers.

They look for new and effective ways to promote products.

They study trends or customer satisfaction over a long period.

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答案：

解析：

3 What does the woman say about trackers?

解析：D。四个选项都与they相关，且均为对they的解释性说明，可推测题目问they的相关信息。对话中女士对trackers的解释是：这个正在进行的项目研究在长时间段内的趋势和客户满意度。D选项与录音信息基本一致，故为正确选项。A选项“它们是对用客户消费习惯的集中研究”、B选项“它们调查生产者和客户之间的关系”和C选项“它们寻找促销产品新的有效方法”均未提及，排除。

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本文链接：Question 3 is based on the conversation you have j

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