【多选题】以下属于计算机中毒的征兆的是
A.
屏幕上出现不应有的特殊字符或图像、字符无规则变或脱落、静止、滚动、雪花、跳动、小球亮点、莫名其妙的信息提等。
C.
频繁地无故死机,随机地发生重新启动或无法正常启动、运行速度明显下降、内存空间变小、磁盘驱动器以及其他设备无缘无故地变成无效设备等现象。
D.
磁盘标号被自动改写、出现异常文件、出现固定的坏扇区、可用磁盘空间变小、文件无故变大、失踪或被改乱、可执行文件(exe)变得无法运行等。
【判断题】Paint事件的参数中可以有Graphics对象
【单选题】The slender column is under axial compressive load P, the critical load 【图片】is independent of ( ).
A.
the material of the column
B.
the length of the column
C.
the magnitude of the P
D.
the shape and dimension of the cross section of the column
【单选题】The vessel’s load line certificate is always issued by ____.
A.
The register of shipping
D.
maritime safety administration
【单选题】One should always be careful with _ (load) guns.
【单选题】The vessel’s load line certificate is always issued by ____.
A.
the register of shipping
D.
maritime safety administration
【简答题】在LTE系统的A3切换事件中,有哪些参数可以避免频繁的乒乓切换?