高等继续教育 / 计算机专业英语
正确率：100%
题型描述: 多选题
Many viruses do harmful things such as ( ).
A. changing random data on your disk
B. slowing your PC down
C. simulating typos
D. deleting files
Many viruses do harmful things such as ( ).
A. changing random data on your disk
B. slowing your PC down
C. simulating typos
D. deleting files
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