【判断题】原生动物是一类低等动物,大部分是单细胞动物,少数为多细胞动物( )
【判断题】原生动物是一类低等动物,大部分是单细胞动物,少数为多细胞动物。( )[湖南大学2012年研]
【判断题】差速器壳体修复工艺规定,第一步应该彻底检测差速器壳体内外表面。
【单选题】Which element of the speech communication process involves the time and place in which communication occurs?
【多选题】Which element of the speech communication process involves the time and place in which communication occurs?
【单选题】Which element of the speech communication process involves the time and place in which communication occurs?
【判断题】()85.差速器壳体修复工艺规定,第一步应该彻底检测差速器壳体内外表面。