Eating in time is traditional wisdom.

Analysis of test questions: The material in the topic is "inspired by the ancient wisdom of" harmony between man and nature, timely eating ",and the seasonal snacks introduced by an old food enterprise are widely welcomed by consumers with the replacement of 24 solar terms", which not only shows that the influence of culture on people has far-reaching and lasting characteristics, but also shows that culture and economy blend with each other. It can be seen that items 3 and 4 meet the meaning of the question and can be selected; Social practice is the source and motive force of cultural innovation, so (1) is wrong and cannot be chosen; Item 2 is unscientific and does not meet the meaning of the question, so you can't choose it. So, the answer is D.