问题
判断题
在文档窗口修改文档时不能使用菜单命令。（）
答案
参考答案：错
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在文档窗口修改文档时不能使用菜单命令。（）
参考答案：错
| 35．Applications put computers to pratical business (1) , but below the (2) it’s the heart of an operating system—the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provides all the functions for applications. The kemal (4) memory, I/O devices and parcels out processor time. The kernel also supports security and fault (5) , which is the ablity to recover automatically when parts of the system fail. |
(4)
A．manages
B．manage
C．managed
D．managing