【单选题】My sister met him at Ningbo Grand Theatre yesterday afternoon, so he your lecture.
D.
couldn’t have attended
【单选题】My sister met him at the Grand Theater yesterday afternoon, so he ______ lecture.
C.
couldn’t have attended
D.
shouldn’t have attended
【判断题】简单均匀控制系统结构上与简单控制系统相同,所以在控制精度、参数整定等要求也一样。
【简答题】什么是机构运动简图?绘制机构运动简图的步骤有哪些?
【简答题】什么是机构运动简图?绘制机构运动简图的步骤有哪些?
【判断题】均匀控制系统单从结构上看与简单控制是相同的。( )
【单选题】下列各项中不属于行政责任范围的是( )。
【单选题】My sister met him at the cinema yesterday afternoon, so he your lecture.
A.
couldn’t have attended
D.
shouldn’t have attended