【判断题】单个商品劳动生产率的提高与商品价值无关。()
【单选题】According to the Author, the IFTA play a ______ role in this business.
【判断题】“南京板鸭”分腊板鸭和春板鸭,两种板鸭加工方法完全相同,只是加工季节不同。
【判断题】Stereotypes play negative roles in intercultural communication .
【单选题】相对运动部件摩擦力太大会造成液压传动系统( )。
【简答题】A. Sentence transformation: He can play tennis on the tennis court. 1 2 Neg. ______________________________________________________