【简答题】产品的整体概念认为,产品是由核心产品、实体产品和(__)构成。
【判断题】现代电窑箱体内壁选用高质耐火砖。采用380V的动力电使箱体内壁的电阻丝或硅碳棒发热,可达1600°C的高温。
【单选题】箱体内壁选用高质耐火砖,采用380V的动力电使箱体内壁的电阻丝或硅碳棒发热,可达1400°C的高温。以上描述的是哪种类型的窑炉?
【判断题】161 在素描造型中,结构是最本质的东西。
【单选题】Lucy stretched up to kiss her dad’s cheek lightly, and he patted his daughter as if he was ____ an honor to her.
【单选题】Lucy stretched up to kiss her dad's cheeklightly, and he patted his daughter as if he was____ an honor to her.
【单选题】( )是研究者仅仅用非常具体的个案特征来解释宏观社会现象,与层次谬误正好相反,是以低层次分析单位进行测量,却用来解释高层次分析单位。