各级运维部门在实施网络作业时应选择()时段进行。
A.国家法定节假日
B.重要通信保障
C.业务发展需求
D.业务量轻闲
参考答案:D
根据句意和首字母提示每空填一个单词,使句意完整。
1. Do you like ball s________?
2. Don't worry. Let me h________ you.
3. Playing baseball is not very easy. It's d________.
4. Tennis is an e________ in the Olympic Games.
5. A________ comes after July.
6. Mary works very long h________, so she is very t________.
7. The hat is not big. It's s________.
删除一个应用程序的快捷方式就删除了相应的程序文件。()