【判断题】【消耗次数：1】
在市场调查活动中，一般只有在现存的第一手资料已过时、不准确、不完整甚至不可靠的情况下，才花较多的费用和时间去收集资料。
①
正确
②
错误
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相关题目
【单选题】
在已明确所要研究问题的内容与重点后，拟定调研计划，进行实地调查，收集第一手资料，如实地反映情况和问题，这是属于：
①
探测性调研
②
描述性调研
③
因果关系调研
④
定期性调研
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difficult
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【单选题】
Now that we’ve ____, can we come to a decision?
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thought over
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thought through
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to
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-- How long ______ you ______ the library book?-- For three days.
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have; borrowed
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