问题
单项选择题
如果系统安装了Direct X7或更高版本（仅限Windows），则在导入嵌入视频时仍然不支持的视频文件格式：（）
A、avi
B、wmv
C、dv
D、mpeg
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
如果系统安装了Direct X7或更高版本（仅限Windows），则在导入嵌入视频时仍然不支持的视频文件格式：（）
A、avi
B、wmv
C、dv
D、mpeg
参考答案：C
| 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. |
(1)
A．used
B．use
C．apply
D．applied