问题
单项选择题
下列( )不是文件系统的功能。
A．文件系统实现对文件的按名存取
B．负责实现数据的逻辑结构到物理结构的转换
C．提高磁盘的读/写速度
D．提供对文件的存取方法和对文件的操作
答案
参考答案：C
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下列( )不是文件系统的功能。
A．文件系统实现对文件的按名存取
B．负责实现数据的逻辑结构到物理结构的转换
C．提高磁盘的读/写速度
D．提供对文件的存取方法和对文件的操作
参考答案：C
Do you often think of your parents? You may say, “Of course, I 16 . I buy a present for my  mother on Mother’s Day and on Father’s day I give my father 17 , too.” But what about the other days of the year?I have a friend whose parents live in another city. One day I went to see her. We had a nice talk. Then she wanted to 18 . So she  dialed the number, but then she put down the phone. After about fifteen 19 , she dialed t he number again, “Hi, Mom…”Later I asked, “ 20 did you dial the number twice?” She smiled, “My parents are old and 21 . They can’t get close to the telephone quickly. I always do so when I call them. I just want to give them 22 time to answer the call. ” My friend is a good girl. She is 23 thinking about her parents. You also want to be a 24 child, right? Please remember to 25 your parents in every situation, not just on some important days.
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