在Windows系统中,同时按下哪几个键,可以打开“任务管理器”,以关闭哪些不需要的或没有响应的应用程序?
参考答案:
Ctrl+Alt+Del
肠系膜动脉血栓形成的因素包括()
A.夹层动脉瘤
B.长期卧床
C.系统性血管炎
D.口服避孕药
E.门静脉高压
There has been a collision in sea area of Fork.().
A.Stand by to give assistance
B.Stand by to alter course
C.Stand by to stop engine
D.Stand by to go astern