In the writer's opinion, Jaschan should______.
A. be severely punished
B. be fired by the software firm Securepoint
C. be arrested immediately
D. be blamed for the crimes
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一个完整的计算机系统应该包括______。
A. 主机、键盘和显示器
B. 硬件系统和软件系统
C. 主机和它的外部设备
D. 系统软件和应用软件
一例脓胸病人，胸腔闭式引流术已一个半月，引流量每日40ml，胸腔造影显示包裹性脓腔容积约为60ml。病人一般情况良好，无发热。各项化验检查基本于正常范围。下一步的治疗为
A. 继续抗感染治疗
B. 拔除胸腔引流管
C. 胸廓成型术
D. 继续胸腔闭式引流术
E. 变开放式胸腔引流并逐渐退出引流管
The sound clicks differ from the squeals in that______.
A. they are different in speeds of spreading
B. they are different in wave length
C. they are different in tones
D. they are different in volumes
Which of the following is NOT true about Sasser and Netsky
A. They were created by Jaschan.
B. They are Jaschan's friends.
C. They are computer viruses.
D. They threaten computer security.
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