题目

Thanks to the help of theexpert, he was (治愈) of theterrible disease successfully. （根据汉语提示单词拼写） 答案：【1】cured下列物质中，不能发生银镜反应的是 A．C6H5—CHO        B．HCOOC2H5         C．(CH3)2CHOH        D．CH2OH(CHOH)4CHO