The Norman Conquest is perhaps()event in English history. ["a trifling","the best-known","a horrifying","a sensational"]
在行政组织中常被称为“幕僚机关”的是() ["职能机关","办公机关","咨询机关","派出机关"]
油墨的反粘(逆叠印)
下列哪种分类属于按照包装材料进行分类的是() ["食品包装","药品包装","塑料包装","玩具包装"]
研究性学习的特点是什么?
油墨的粉化