在网络操作系统层次结构中,位于进程间通信层之下的是()
A.作业管理
C.文件管理
B.应用程序
D.处理器管理
参考答案:D
根据答旬写问句。
1. __________________________________________________?
Sarah has a fever.
2. __________________________________________________?
John went fishing last Saturday.
3. __________________________________________________?
We are going to watch TV at 7: 30 tomorrow evening.
4. __________________________________________________?
I wear size 36.
5. __________________________________________________?
No, my father went to Xinjiang yesterday.
在隧道的设计中,是否布置辅助坑道,主要考虑()。