【单选题】The doctor advised that the man ____, but he just wouldn't listen. [ ]
C.
should give up to smoke
【简答题】A.conducive B.conductive to C.inducive to D.deductive to
【单选题】如图所示的施密特触发器,其回差电压是( )
【单选题】轴流式压气机工作叶轮进口处绝对速度的切向分量叫( )
【单选题】The man stopped smoking because of lung cancer.
【单选题】轴流式压气机工作叶轮进口处的相对速度方向与叶片弦线之间的夹角叫( )