题目

it's more possible for the chimpanzees to keepaway from the music with fast rhythm, they did not show an actual preferencefor the music with slower rhythm. 答案：【1】Although/Though近来市场上出现用硫酸铜处理过的“返青粽叶”，食用其包裹的粽子有害健康．硫酸铜属于（　　）A．酸B．碱C．盐D．氧化物