有机磷酸酯类中毒症状中，不属于M样症状的是（）
A.瞳孔缩小
B.流涎流泪
C.腹痛腹泻
D.小便失禁
E.肌肉震颤
参考答案：E
_____ you don't have my phone number, it's 870-7842. I look forward to meeting you soon. [ ]
A. In case
B. On purpose
C. As long as
D. By the way
CPU的工作周期为20ns，主存存取周期为10ns，此时DMA接口适合采用______方式与CPU共享主存。
A．停止CPU访问主存 B．周期挪用C．DMA与CPU交替访存 D．以上无正确选项
