【判断题】使用任何机械,机械效率总小于1. [ ]
【多选题】下列各项中,属于企业外部利益相关者的有( )
【单选题】His colleagues and former students compiled and published his essays______ his thirty years service with the university.
【单选题】Our new physics teacher got a pretty and lovely girl _____ .
【单选题】在生产和生活中经常使用各种机械,下列关于机械的下列说法中,正确的是( )
【单选题】During the past thirty years, there have been_____changes in the country.
【简答题】The hero of the story is an artist in his_________ . A.thirtieth B.thirty C.thirty’s D.thirties
【单选题】患者女,30岁。1年多来反复发生双下肢紫癜,月经量增多。血红蛋白90g/L,白细胞3.0×1012/L,血小板50×109/L。既往身体健康。初步诊断为“慢性特发性血小板减少性紫癜”。治疗措施应首选
【多选题】下列各项中,属于企业外部利益相关者的有( )