问题
单项选择题
位于广州东北部的著名风景名胜名叫()。
A、莲花山
B、西樵山
C、帽峰山
D、白云山
答案
参考答案:D
位于广州东北部的著名风景名胜名叫()。
A、莲花山
B、西樵山
C、帽峰山
D、白云山
参考答案:D
假定磁盘的移动臂现在处于第8号柱面,有如表5-4所示的6个请求者等待访问磁盘,请列出最省时间的响应次序。
表5-4 6个请求者的情况
序号 | 柱面号 | 磁头号 | 扇区号 |
1 | 9 | 6 | 3 |
2 | 7 | 5 | 6 |
3 | 15 | 20 | 6 |
4 | 9 | 4 | 4 |
5 | 20 | 9 | 5 |
6 | 7 | 15 | 2 |
Read and choose. (读短文,选择正确的答案) | |||
Welcome l our school! This is a 2 room, we often sing and dance here. Next to the music room, there is a 3 room. I like TV room best. It's on the second 4 . That is our 5 . We often read story-books in it. And we also have a big computer room on the third floor. I love my beautiful school. | |||
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