【单选题】下降沿触发的边沿JK触发器在CP下降沿带来前J=1、K=0,而下降沿到来 后变为J=0、K=1,则触发器的状态 _______
【单选题】刘先生,60岁。体检发现右腹股沟区肿块,约10cmx8cm大小,质软,可还纳,外环口容2指,压迫内环口后,肿块不再出现。透光试验阴性,诊断为腹股沟斜疝,行高位疝囊结扎十疝修补术,有关腹股沟疝的术后护理错误的是
【单选题】刘先生,60岁。体检发现右腹股沟区肿块约10cm×8cm大小,质软,可还纳,外环口容2指,压迫内环口后,肿块不再出现。透光试验阴性,诊断为腹股沟斜疝,行高位疝囊结扎+疝修补术,该病人术后下床活动的适宜时间是
【单选题】下降沿触发的边沿 JK 触发器在 CP 下降沿到来之前 J =1 、 K =0 ,而 CP 下降沿到来之后变为 J =0 、 K =1 ,则触发器的状态为
【简答题】Outside, cocks were crowing and a white streak was rising from the ground, as it were , and beginning to scatter the darkness.
【判断题】在图纸打印前需要进行页面设计,在缩放比例栏目中,选择“Fit Docment on Page”,是指系统自动调整比例,以便使整张图纸打印在一张图纸中。
【单选题】下降沿触发的边沿 JK 触发器在 CP 下降沿到来之前 J =1 、 K =0 ,而 CP 下降沿到来之后变为 J =0 、 K =1 ,则触发器的状态为 A. 1 B. 0 C. 状态不变 D. 状态不确定
【简答题】Give the definition of the underlined phrase. Outside,
cocks were crowing and a white streak was rising from the ground, as
it were , and beginning to
scatter the darkness.