An investigation of peoples cognition of acidic beverages“人们对酸性饮料认知的调查”

This questionnaire mainly investigates the people's cognition of acidic beverages. Your answer is essential to our research. Please answer carefully and accurately in an honest way. Thank you for your cooperation.本问卷主要调查人们对酸性饮料的认知情况, 您的回答对我们本次研究至关重要，请您谨慎作答，感谢您的配合。