A. You Should Ensure That You Have As Much Memory (RAM) in Your PC As You Need B. Do Prepare for Disaster C. Keeping a PC Runnin

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问题 A. You Should Ensure That You Have As Much Memory (RAM) in Your PC As You Need
B. Do Prepare for Disaster
C. Keeping a PC Running Smoothly Is Very Difficult
D. Make Sure You Buy Good Hardware
E. Avoid Installing Beta(试用自版) Software And Shareware Software
F. Install’ as little software as possible
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选项

答案B

解析 句意:一定要防患于未然。
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