音像制品与纸质出版物的主要区别在于()不同。 ["思想内容","出版周期","复制方法","物质载体","表达手段"]
引起核黄疸的血清胆红素浓度一般超过() ["10mg/dl","12mg/dl","15mg/dl","20mg/dl","25mg/dl"]
试用政治经济学原理说明物价上涨的原因及应采取的对策。
某5岁儿童身高103cm,体重18kg,牙齿20颗,其发育状况为() ["肥胖","发育迟缓","营养不良","身材高大","在正常范围内"]
具有保护胃黏膜作用的止血药是() ["三七","白及","麻黄","山楂","厚朴"]
根据交互发生的时间特征,可以把交互工具分成()工具和()工具。