Which of the following statements is not true? ( )

参考解析：

根据第5段it can’t identify the individual chemicals可知它无法识别单一化学元素，选项C表述错误。根据倒数第二段Research was conducted by engineers and chemists from the universities of Glasgow and Strathclyde.可知研究是由两所大学合力实施的，选项A表述准确；根据第6段We’re not the first researchers to make an artificial tongue, but we’re the first to make a single artificial tongue that uses…可知科学家对智能舌头的研究已经有相当一段时间，可以推出选项B表述正确；根据第3段Engineers say the “tasted” the differences with greater than 99% accuracy.可知选项D表述正确。只有C项表达不符合文意，故本题正确答案选C。