【简答题】滚动轴承的配合是指_________________、____________________。
【判断题】推销员介绍产品和示范产品,应该是用专业性语言。( )
【单选题】某甲亢病人,体温5°C,脉搏150次/min,出现恶心、呕吐、大汗淋漓、嗜睡等症状,初步诊断为
【判断题】推销员介绍产品和示范产品,应该是用专业性语言。
【单选题】It's very stupid____you to laugh____your sister when she is in trouble.
【单选题】It's very stupid ____him to laugh ____his sister when she is in trouble .
【多选题】时间数列与变量数列进行对比,以下()属于它们的区别。
【单选题】It's very stupid _____ you to laugh ______ your sister when she is in trouble.