题目内容
硬盘的读盘操作中不涉及的时间开销的是(__)。
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用磁带作为文件存储介质时,文件只能组织成(__)。
由无结构的字符序列集合构成的文件称为(__)。
[音频]Section DSpot dictation. Listen to the following short passage, then fill in the blanks with the missing words or phrases. The passage will be read three times.Some food are better than others. Do you think so? Every day we have many kinds of food. Some of them are healthy food, but others may not (16) __________ our health.Eat more(17) _________. They are healthy for us. (18) __________ are good for our body, too. A lot of us like meat, such as pork, (19)_____________,chicken, duck and fish. We can have a little of them, but not too much. Many children love cakes. Cakes have(20) ____________in them. They are not good for us, especially for the old.And don’t forget: an apple each day keeps the doctor away.
The common law legal system originated in Britain and was exported to such countries as Australia,() and the United States.
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