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【多选题】
如何防范U 盘、移动硬盘泄密A.
及时查杀木马与病毒。
B.
从正规商家购买可移动存储介质。
C.
定期备份并加密重要数据。
D.
将U 盘、移动硬盘接入电脑前，先进行病毒扫描。
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【简答题】判断下列各句是否是名词性从句,若是在横线上写出是什么从句,如“主语从句”、“宾语从句”、“表语从句”、“同位语从句”等,若不是在横线上写“不是”。 1. China is no longer what it used to be. ( _____ ) 2. The truth that the earth turns around the sun is known to all. ( _____ ...
【单选题】下列选项中,能缩短程序执行时间的措施是什么? 1.提高CPU时钟频率 2.优化通过数据结构 3.优化通过程序
A.
仅1和2
B.
仅1和3
C.
仅2和3
D.
1,2,3
【简答题】Yes, I did. The results were interesting. ________ 2. Yes, it is. We finished last week. ________ 3. No, I haven't. Is there any good news? ________ 4. Next Monday. ________ 5. I don't know, b...
【单选题】— Do you often watch Man and Nature on TV? — Sometimes. It's an interesting program, but I______ Sports News. A. prefer B. want C. enjoy D. miss
A.
1
B.
2
C.
3
D.
4
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