【简答题】直线摇动筛中的连杆起到的作用是:将回转运动转化为( ) 运动。
【单选题】He is a talkative man, but he didn’t say a word in today’s discussion. I am not sure how to _____
A.
6. He is a talkative man, but he didn’t say a word in today’s discussion. I am not sure how to ______ his silence. A.treat
【单选题】_________, I attended the meeting instead of him last week.A.He was ill B.His being illC.He being
A.
6. _________, I attended the meeting instead of him last week. A.He was ill
【简答题】机体皮肤散热的主要方式有____、____、____和____。
【多选题】按照不同的标准,建设工程材料设备采购合同的分类方式有( )。
【单选题】( )为企业员工的考核、晋升提供了依据。