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【单选题】
文件管理是操作系统的重要功能之一，指出下列各项______属于文件管理的内容。 1、统一管理文件的存储空间，高效的分配和回收存储空间； 2、提供组织数据的方法，实现对文件的按名存取； 3、实现对文件的控制操作，如创建、读写、删除等； 4、实现文件信息共享，提供对文件的保护和保密措施。A.
2、3
B.
1、2、3
C.
3、4
D.
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举一反三
【单选题】下列有关除去热原方法的叙述错误的为
A.
250℃、30分钟以上干热灭菌能破坏热原活性
B.
重铬酸钾-硫酸清洁液浸泡能破坏热原活性
C.
在浓配液中加入0.1%到0.5%(g/ml)的活性炭除去热原
D.
热源是大分子复合物, 0.22微米微孔滤膜可除去热原
【单选题】If a guest tells you a problem, you should:
A.
Call the manager.
B.
Take ownership and help resolve the problem. .
C.
Ask a co-worker to help.
【简答题】在图G的邻接表表示中,每个顶点邻接表中所含的结点数,对于无向图来说等于该顶点的 ;对于有向图来说等于该顶点的 。
【简答题】Welcome to our hotel. We wish you a pleasant stay. It is very important to us that your stay be comfortable and enjoyable. We take great pride in providing our guests with the highest levels of profes...
【单选题】if a guest tells you a problem,you should
A.
ask a co-worker to help
B.
call the manager
C.
take ownership and help to resolve the problem
【简答题】If a guest comes to the Front Office and tells you there is a chance that she /he is going to stay two more days for she has an very important to meet. How would you deal with the problem?
【简答题】Answer the questions: (1) Which department is in charge of the repairing of the room facilities? (2) If a guest tells you by telephone "I can't use the toilet now", what will you say? (3) What would y...
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